Lenovo IdeaPad U300/ U300s/U400 Hardware Maintenance Manual
Note: Before using this information and the product it supports, be sure to read the general information under “Notices” on page 127. First Edition (Oct. 2011) © Copyright Lenovo 2011. All rights reserved. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.
Contents About this manual........................................ iv Safety information......................................... 1 General safety................................................. 2 Electrical safety............................................... 3 Safety inspection guide................................... 5 Handling devices that are sensitive to electrostatic discharge..................................... 6 Grounding requirements..................................
About this manual This manual contains service and reference information for the following Lenovo IdeaPad product: Lenovo IdeaPad U300/U300s/U400 Use this manual to troubleshoot problems. The manual is divided into the following sections: •• The common sections provide general information, guidelines, and safety information required for servicing computers. •• The product-specific section includes service, reference, and product-specific parts information.
Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service an Lenovo IdeaPad U300/U300s/U400 computer: •• “General safety” on page 2 •• “Electrical safety” on page 3 •• “Safety inspection guide” on page 5 •• “Handling devices that are sensitive to electrostatic discharge” on page 6 •• “Grounding requirements” on page 6 •• “Safety notices: multilingual translations” on page 7 •• “Laser compliance statement” on page 14 1
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: •• Observe a good housekeeping in the area where the machines are put during and after the maintenance. •• When lifting any heavy object: 1. Make sure that you can stand safely without slipping. 2. Distribute the weight of the object equally between your feet. 3. Use a slow lifting force. Never move suddenly or twist when you attempt to lift it. 4.
Safety information Electrical safety Observe the following rules when working on electrical equipments. Important: Use only approved tools and test equipments. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have rubber floor mats near their machines that contain small conductive fibers to decrease electrostatic discharges. Do not use such kind of mat to protect yourself from electrical shock.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual •• Always look carefully for possible hazards in your work area. Examples of these hazards are moist floors, nongrounded power extension cables, power surges, and missing safety grounds. •• Do not touch live electrical circuits with the reflective surface of a plastic dental mirror. The surface is conductive; such touching can cause personal injury and machine damage.
Safety information Safety inspection guide The purpose of this inspection guide is to assist you in identifying potential unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service personnel from injury. This guide addresses only those items. You should use good judgment to identify potential safety hazards according to the attachment of non-Lenovo IdeaPad features or options not covered by this inspection guide.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge. Notes: 1.
Safety information Safety notices: multilingual translations The safety notices in this section are provided in English, French, German, Hebrew, Italian, Japanese, and Spanish. Safety notice 1 Before the computer is powered on after FRU replacement, make sure all screws, springs, and other small parts are in place and are not left loose inside the computer. Verify this by shaking the computer and listening for rattling sounds. Metallic parts or metal flakes can cause electrical shorts.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Safety notice 2 DANGER Some standby batteries contain a small amount of nickel and cadmium. Do not disassemble a standby battery, recharge it, throw it into fire or water, or shortcircuit it. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery.
Safety information Safety notice 3 DANGER The battery pack contains small amounts of nickel. Do not disassemble it, throw it into fire or water, or short-circuit it. Dispose of the battery pack as required by local ordinances or regulations. Use only the battery in the appropriate parts listing when replacing the battery pack. Use of an incorrect battery can result in ignition or explosion of the battery. La batterie contient du nickel. Ne la démontez pas, ne l’exposez ni au feu ni à l’eau.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Safety notice 4 DANGER The lithium battery can cause a fire, an explosion, or a severe burn. Do not recharge it, remove its polarized connector, disassemble it, heat it above 100°C (212°F), incinerate it, or expose its cell contents to water. Dispose of the battery as required by local ordinances or regulations. Use only the battery in the appropriate parts listing. Use of an incorrect battery can result in ignition or explosion of the battery.
Safety information Safety notice 5 If the LCD breaks and the fluid from inside the LCD gets into your eyes or on your hands, immediately wash the affected areas with water at least for 15 minutes. Seek medical care if any symptoms caused by the fluid are present after washing. Si le panneau d’affichage à cristaux liquides se brise et que vous recevez dans les yeux ou sur les mains une partie du fluide, rincez-les abondamment pendant au moins quinze minutes.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Safety notice 6 DANGER To avoid shock, do not remove the plastic cover that protects the lower part of the inverter card. Afin d’éviter tout risque de choc électrique, ne retirez pas le cache en plastique protégeant la partie inférieure de la carte d’alimentation. Aus Sicherheitsgründen die Kunststoffabdeckung, die den unteren Teil der Spannungswandlerplatine umgibt, nicht entfernen.
Safety information Safety notice 8 DANGER Before removing any FRU, turn off the computer, unplug all power cords from electrical outlets, remove the battery pack, and then disconnect any interconnecting cables. Avant de retirer une unité remplaçable en clientèle, mettez le système hors tension, débranchez tous les cordons d’alimentation des socles de prise de courant, retirez la batterie et déconnectez tous les cordons d’interface.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo IdeaPad computer are equipped from the factory with an optical storage device such as a CD-ROM drive or a DVD-ROM drive. Such devices are also sold separately as options. If one of these drives is installed, it is certified in the U.S. to conform to the requirements of the Department of Health and Human Services 21 Code of Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products.
Safety information A CD-ROM drive, a DVD-ROM drive, or any other storage device installed may contain an embedded Class 3A or Class 3B laser diode. Note the following: DANGER Emits visible and invisible laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam. Radiação por raio laser ao abrir. Não olhe fixo no feixe de luz, não olhe diretamente por meio de instrumentos óticos e evite exposição direta com o feixe de luz.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Important service information This chapter presents the following important service information: •• “Strategy for replacing FRUs” on page 16 – “Strategy for replacing a hard disk drive” on page 17 – “Important notice for replacing a system board ” on page 17 •• “Important information about replacing RoHS compliant FRUs” on page 18 Important: BIOS and device driver fixes are customer-installable.
Important service information Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs: •• If you are instructed to replace an FRU, but the replacement does not solve the problem, reinstall the original FRU before you continue. •• Some computers have both a processor board and a system board. If you are instructed to replace either of them, and replacing one of them does not solve the problem, reinstall that board, and then replace the other one.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive (2002/95/EC) is a European Union legal requirement affecting the global electronics industry. RoHS requirements must be implemented on Lenovo products placed on the market after June 2006. Products on the market before June 2006 are not required to have RoHS compliant parts.
General checkout General checkout This chapter presents the following information: •• “What to do first” on page 20 •• “Power system checkout” on page 21 Before you go to the checkout, make sure to read the following important notes: Important notes: • Only certified trained personnel can service the computer. • Before replacing any FRU, read the entire page on removing and replacing FRUs. • When you replace FRUs, use new nylon-coated screws.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the following information in the parts exchange form or parts return form that you attach to it: 1. Name and phone number of servicer 2. Date of service 3. Date on which the machine failed 4. Date of purchase 5. Procedure index and page number in which the failing FRU was detected 6. Failing FRU name and part number 7. Machine type, model number, and serial number 8.
General checkout Power system checkout To verify a symptom, follow the steps below: 1. Turn off the computer. 2. Connect the AC adapter. 3. Make sure that power is supplied when you turn on the computer. 4. Turn off the computer. 5. Disconnect the AC adapter. 6. Make sure that the battery pack supplies power when you turn on the computer.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let it return to room temperature. Reinstall the battery pack. If the charge indicator or icon is still off, replace the battery pack. If the charge indicator still does not light on, replace the system board. Then reinstall the battery pack. If it is still not charged, go to the next section.
Related service information Related service information This chapter presents the following information: •• “Restoring the factory contents by using OneKey Recovery” on page 23 •• “Passwords” on page 24 •• “Power management” on page 25 Restoring the factory contents by using OneKey Recovery Restore of factory default The Lenovo IdeaPad U300/U300s/U400 computers come with pre-installed OneKey Rescue System.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual When you use the recovery discs to boot your computer, the system will enter the user interface for system recovery automatically. Please follow the prompt to insert the backup discs to complete the whole recovery process. Note: The recovery process might take up to 2 hours. Passwords As many as two passwords may be needed for any Lenovo IdeaPad computer: the power-on password (POP) and the supervisor password (SVP).
Related service information Power management Note: Power management modes are not supported for APM operating system. To reduce power consumption, the computer has three power management modes: screen blank, sleep (standby), and hibernation. Screen blank mode If the time set on the “Turn off monitor” timer in the operating system expires, the LCD backlight turns off. To end screen blank mode and resume normal operation, press any key.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Hibernation mode In hibernation mode, the following occurs: •• The system status, RAM, VRAM, and setup data are stored on the hard disk. •• The system is powered off. To cause the computer to enter hibernation mode, follow the steps below: •• If you are using the ACPI operating system and have defined one of the following actions as the event that causes the system to go into hibernation mode, perform that action: – Closing the lid.
Lenovo IdeaPad U300/U300s/U400 Lenovo IdeaPad U300/U300s/U400 This chapter presents the following product-specific service references and product-specific parts information: •• “Specifications” on page 27 •• “Status indicators” on page 29 •• “Function key combinations” on page 31 •• “FRU replacement notices” on page 32 •• “Removing and replacing an FRU” on page 33 •• “Locations” on page 98 •• “Parts list” on page 101 Specifications The following table lists the specifications of the Lenovo IdeaPad U300/ U
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 1. Specifications (continued) Feature Description I/O port MODEM slot Audio • • • • • • • Ethernet (on the system board) • • • • PCI Express Mini Card slot Bluetooth wireless Keyboard Touch pad Integrated camera Battery AC adapter Pre-installed operating system 28 Headphone mic combo jack RJ45 x 1 (U300/U400) HDMI port USB 2.0 port × 2, USB 3.0 port × 1 (U300/U400) USB 2.0 port × 1, USB 3.
Lenovo IdeaPad U300/U300s/U400 Status indicators The system status indicators below show the computer status: 3 U400 1 2 Table 2. Status indicators Indicator 1 Power on Meaning White: System is enabled. Blinking white: System is in sleep mode. Off: System is in hibernate mode or shut down.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 2. Status indicators (continued) Indicator 30 2 Battery status 3 Caps lock Meaning Blinking amber: (500ms off/1s on) The remaining power of the battery is less than 5% of its capacity. Blinking amber: (100ms off/3.2s on) The battery is being charged with the remaining power between 5% and 20% of its capacity. Amber: The computer is operating on battery power with the remaining power between 5% and 20% of its capacity.
Lenovo IdeaPad U300/U300s/U400 Function key combinations The following table shows the function of each combination of function key. Table 3. Fn key combinations Key combination Description Fn + PrtSc: Fn + Home: Fn + End: Fn + PgUp: Fn + PgDn: pop-up CD/DVD disk (U400 only). Activate the pause function. Activate the break function. Enable/Disable the scroll lock. Activate the insert function. Table 4. Hotkey : Mute/Unmute the sound. : Quick decrease volume level. : Quick increase volume level.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual FRU replacement notices This section presents notices related to removing and replacing parts. Read this section carefully before replacing any FRU. Screw notices Loose screws can cause a reliability problem. In the Lenovo IdeaPad computer, this problem is addressed with special nylon-coated screws that have the following characteristics: •• They maintain tight connections. •• They do not easily come loose, even with shock or vibration.
Lenovo IdeaPad U300/U300s/U400 Removing and replacing an FRU This section presents exploded figures with the instructions to indicate how to remove and replace the FRU. Make sure to observe the following general rules: 1. Do not attempt to service any computer unless you have been trained and certified. An untrained person runs the risk of damaging parts. 2. Before replacing any FRU, review “FRU replacement notices” on page 32. 3. Begin by removing any FRUs that have to be removed before the failing FRU.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual U300 1010 Base cover (U300) Note: Turn off the computer first. Otherwise, it may cause permanent damage to the computer. Figure 1. Removal steps of base cover Open the rubbers and remove two screws the direction shown by arrow 2 3. 1, then remove the base cover in 1 1 3 2 Step 1 34 Screw (quantity) Color Torque M2.5 × 6 mm, flat-head, nylok-coated (2) Black 3.0 ± 0.
Lenovo IdeaPad U300/U300s/U400 Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the old base cover, and need to be put on the new base cover. a COA Label b Brazil label c WLAN label for Malaysia d WLAN label for Indonesia e GWE for china For some models, you also need to apply one or two FCC labels.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1020 Battery pack (U300) For access, remove this FRU: •• “1010 Base cover (U300)” on page 34 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 2. Removal steps of battery pack Detach the battery pack connector in the direction shown by arrow 1, remove five screws 2, and then remove the battery pack in the direction shown by arrow 3.
Lenovo IdeaPad U300/U300s/U400 1030 Hard disk drive (U300) For access, remove these FRUs in order: •• “1010 Base cover (U300)” on page 34 •• “1020 Battery pack (U300)” on page 36 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to physical shock. Improper handling can cause damages and permanent loss of data. • Before removing the drive, suggest the customer to backup all the information on it if possible.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1040 DIMM (U300) For access, remove these FRUs in order: •• “1010 Base cover (U300)” on page 34 •• “1020 Battery pack (U300)” on page 36 Figure 4. Removal steps of DIMM Release the two latches on both edges of the socket at the same time in the direction shown by arrows 1, and then unplug the DIMM in the direction shown by arrow 2. 1 2 1 When installing: Insert the notched end of the DIMM into the socket.
Lenovo IdeaPad U300/U300s/U400 1050 PCI Express Mini Card for wireless LAN (U300) For access, remove these FRUs in order: •• “1010 Base cover (U300)” on page 34 •• “1020 Battery pack (U300)” on page 36 •• “1030 Hard disk drive (U300)” on page 37 Figure 5. Removal steps of PCI Express Mini Card for wireless LAN 2 1 Disconnect the two wireless LAN cables (black, white) 1, and then remove the screw 2.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 5. Removal steps of PCI Express Mini Card for wireless LAN (continued) Remove the card in the direction shown by arrow 3. 3 When installing: •• In models with a wireless LAN card that has two antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, and the white cable (2nd) (AUX) into jack labeled 2 on the card.
Lenovo IdeaPad U300/U300s/U400 1060 Fan assembly and Heat Sink assembly (U300) For access, remove these FRUs in order: •• “1010 Base cover (U300)” on page 34 •• “1020 Battery pack (U300)” on page 36 •• “1030 Hard disk drive (U300)” on page 37 •• “1050 PCI Express Mini Card for wireless LAN (U300)” on page 39 Figure 6. Removal steps of fan assembly and heat sink assembly Detach two fan connectors in the direction shown by arrows 1, remove four screws 2 and four screws 3.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 6. Removal steps of fan assembly and heat sink assembly (continued) Lift the fan assembly and heat sink assembly in the direction shown by arrow 4. Be careful not to damage the connector. 4 4 Attention: Do not handle the heat sink assembly roughly. Improper handling can cause distortion or deformation and imperfect contact with components.
Lenovo IdeaPad U300/U300s/U400 1070 System board (U300) Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid rough handling of any kind. • In the whole process, make sure not to drop or stack the system board.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 7. Removal steps of system board Detach eight connectors on system board in the direction shown by arrows 2 3. Remove six screws 4 and one screw 5. 1 2 3 2 1 2 1 2 3 5 4 4 4 4 4 When installing: Make sure that all the connectors are attached firmly. Step 4 5 44 Screw (quantity) Color Torque M2 × 2.5 mm, flat-head, nylok-coated (6) White 1.5 ± 0.2 kgfcm M2 × 5 mm, flat-head, nylok-coated (1) White 1.5 ± 0.
Lenovo IdeaPad U300/U300s/U400 Figure 7. Removal steps of system board (continued) Lift the system board in the direction shown by arrow 6. Detach the keyboard connector under system board in the direction shown by arrows 7 8.Then remove the system board.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1080 Speakers and microphone (U300) For access, remove these FRUs in order: •• “1010 Base cover (U300)” on page 34 •• “1020 Battery pack (U300)” on page 36 •• “1030 Hard disk drive (U300)” on page 37 •• “1050 PCI Express Mini Card for wireless LAN (U300)” on page 39 •• “1060 Fan assembly and Heat Sink assembly (U300)” on page 41 •• “1070 System board (U300)” on page 43 Figure 8. Removal steps of speakers and microphone Remove four screws 1.
Lenovo IdeaPad U300/U300s/U400 Figure 8. Removal steps of the speakers and microphone (continued) Remove the microphone in the direction shown by arrow 3. 3 When installing: Make sure that the microphone connector is attached firmly.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1090 LCD unit (U300) For access, remove these FRUs in order: •• “1010 Base cover (U300)” on page 34 •• “1020 Battery pack (U300)” on page 36 •• “1030 Hard disk drive (U300)” on page 37 •• “1050 PCI Express Mini Card for wireless LAN (U300)” on page 39 •• “1060 Fan assembly and Heat Sink assembly (U300)” on page 41 •• “1070 System board (U300)” on page 43 •• “1080 Speakers and microphone (U300)” on page 46 Figure 9.
Lenovo IdeaPad U300/U300s/U400 Figure 9. Removal steps of LCD unit (continued) 2 2 2 Step 2 2 Screw (quantity) Color M2.5 × 6 mm, flat-head, nylok-coated (4) Black Torque 3.0 ± 0.2 kgfcm When installing: •• Route the antenna cables along the cable guides. As you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1100 Keyboard and keyboard bezel (U300) For access, remove these FRUs in order: •• “1010 Base cover (U300)” on page 34 •• “1020 Battery pack (U300)” on page 36 •• “1030 Hard disk drive (U300)” on page 37 •• “1050 PCI Express Mini Card for wireless LAN (U300)” on page 39 •• “1060 Fan assembly and Heat Sink assembly (U300)” on page 41 •• “1070 System board (U300)” on page 43 •• “1080 Speakers and microphone (U300)” on page 46 •• “1090 LCD unit (U300)
Lenovo IdeaPad U300/U300s/U400 Figure 10. Removal steps of keyboard and keyboard bezel (continued) Remove two screws 2, release the power button in the direction shown by arrows 3. 2 2 3 Step 2 Screw (quantity) Color M2 × 3 mm, flat-head, nylok-coated (2) Black Torque 1.5 ± 0.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 10. Removal steps of keyboard and keyboard bezel (continued) Remove the system status indicators board in the direction shown by arrow 4. 4 Remove two screws 5 and one screw direction shown by arrow 7. 6, then remove the USB board in the 5 5 6 7 Step 5 6 52 Screw (quantity) Color M2 × 3 mm, flat-head, nylok-coated (2) Black 1.5 ± 0.2 kgfcm Torque M2 × 5 mm, flat-head, nylok-coated (1) Black 1.5 ± 0.
Lenovo IdeaPad U300/U300s/U400 Figure 10. Removal steps of keyboard and keyboard bezel (continued) Remove four screws 8, then remove two brackets in the direction shown by arrows 9. 8 8 8 8 9 9 Step 8 Screw (quantity) Color M2 × 3 mm, flat-head, nylok-coated (4) Black Torque 1.5 ± 0.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual U300s 1010 Base cover (U300s) Note: Turn off the computer first. Otherwise, it may cause permanent damage to the computer. Figure 1. Removal steps of base cover Open the rubbers and remove two screws the direction shown by arrow 2. 1, then remove the base cover in 1 1 2 Step 1 54 Screw (quantity) Color Torque M2 × 7 mm, flat-head, nylok-coated (2) Black 1.5 ± 0.
Lenovo IdeaPad U300/U300s/U400 Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the old base cover, and need to be put on the new base cover. a COA Label b Brazil label c WLAN label for Malaysia d WLAN label for Indonesia e GWE for china For some models, you also need to apply one or two FCC labels.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1020 Battery pack (U300s) For access, remove this FRU: •• “1010 Base cover (U300s)” on page 54 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 2. Removal steps of battery pack Detach the battery pack connector in the direction shown by arrow four screws 2, and then remove the battery pack 3.
Lenovo IdeaPad U300/U300s/U400 1030 Speakers (U300s) For access, remove these FRUs in order: •• “1010 Base cover (U300s)” on page 54 •• “1020 Battery pack (U300s)” on page 56 Figure 3. Removal steps of speakers Detach two speakers connectors in the direction shown by arrow four screws 2. 1. Remove 1 2 2 2 2 Step 2 Screw (quantity) Color Torque M2 × 4.5 mm, flat-head, nylok-coated (4) White 1.0 ± 0.2 kgfcm Remove the speakers in the direction shown by arrows 3.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1040 Solid State Disk (U300s) For access, remove these FRUs in order: •• “1010 Base cover (U300s)” on page 54 •• “1020 Battery pack (U300s)” on page 56 •• “1030 Speakers (U300s)” on page 57 Attention: • Do not drop the solid state disk or apply any physical shock to it. The hard disk drive is sensitive to physical shock. Improper handling can cause damages and permanent loss of data.
Lenovo IdeaPad U300/U300s/U400 1050 USB Board (U300s) For access, remove these FRUs in order: •• “1010 Base cover (U300s)” on page 54 •• “1020 Battery pack (U300s)” on page 56 •• “1030 Speakers (U300s)” on page 57 Figure 5. Removal steps of USB board Unplug three connectors in the direction by arrows 1 2, remove two screws 3, then remove the USB board 4. 3 3 4 2 1 2 Step 3 Screw (quantity) Color M2 × 3 mm, flat-head, nylok-coated (2) Black Torque 1.5 ± 0.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1060 Keyboard and keyboard bezel (U300s) For access, remove these FRUs in order: •• “1010 Base cover (U300s)” on page 54 •• “1020 Battery pack (U300s)” on page 56 •• “1030 Speakers (U300s)” on page 57 •• “1040 Solid State Disk (U300s)” on page 58 •• “1050 USB Board (U300s)” on page 59 Figure 6. Removal steps of keyboard and keyboard bezel Lift the keyboard cover with fingers in the direction shown by arrows 1.
Lenovo IdeaPad U300/U300s/U400 Figure 6. Removal steps of keyboard and keyboard bezel (continued) Detach the microphone connector and touch pad connector in the direction shown by arrows 2 3 4, then remove six screws 5. 5 5 5 5 5 5 2 3 4 Step 5 Screw (quantity) Color Torque M2 × 5 mm, flat-head, nylok-coated (6) Black 1.5 ± 0.2 kgfcm Lift the system board a little arrows 3 4 7.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 6. Removal steps of keyboard and keyboard bezel (continued) Remove the keyboard and keyboard bezel 8. 8 Remove two screws 9 and then remove the power button board in the direction shown by arrow J. 9 9 10 Step 9 62 Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylok-coated (2) White 1.5 ± 0.
Lenovo IdeaPad U300/U300s/U400 Figure 6. Removal steps of keyboard and keyboard bezel (continued) Remove the Minnie microphone board and LED board in the direction shown by arrows K.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1070 PCI Express Mini Card for wireless LAN (U300s) For access, remove these FRUs in order: •• “1010 Base cover (U300s)” on page 54 •• “1020 Battery pack (U300s)” on page 56 •• “1030 Speakers (U300s)” on page 57 •• “1040 Solid State Disk (U300s)” on page 58 •• “1050 USB Board (U300s)” on page 59 •• “1060 Keyboard and keyboard bezel (U300s)” on page 60 Figure 7.
Lenovo IdeaPad U300/U300s/U400 Figure 7. Removal steps of PCI Express Mini Card for wireless LAN (continued) Remove the card in the direction shown by arrow 3. U300 s 3 When installing: •• In models with a wireless LAN card that has two antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, and the white cable (2nd) (AUX) into jack labeled 2 on the card.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1080 LCD unit (U300s) For access, remove these FRUs in order: •• “1010 Base cover (U300s)” on page 54 •• “1020 Battery pack (U300s)” on page 56 •• “1030 Speakers (U300s)” on page 57 •• “1040 Solid State Disk (U300s)” on page 58 •• “1050 USB Board (U300s)” on page 59 •• “1060 Keyboard and keyboard bezel (U300s)” on page 60 •• “1070 PCI Express Mini Card for wireless LAN (U300s)” on page 64 Figure 8.
Lenovo IdeaPad U300/U300s/U400 Figure 8. Removal steps of LCD unit (continued) Remove the LCD unit in the direction shown by arrow 4.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1090 DIMM (U300s) For access, remove these FRUs in order: •• “1010 Base cover (U300s)” on page 54 •• “1020 Battery pack (U300s)” on page 56 •• “1030 Speakers (U300s)” on page 57 •• “1040 Solid State Disk (U300s)” on page 58 •• “1050 USB Board (U300s)” on page 59 •• “1060 Keyboard and keyboard bezel (U300s)” on page 60 •• “1070 PCI Express Mini Card for wireless LAN (U300s)” on page 64 •• “1080 LCD unit (U300s)” on page 66 Figure 9.
Lenovo IdeaPad U300/U300s/U400 1100 Fan assembly and Heat Sink assembly (U300s) For access, remove these FRUs in order: •• “1010 Base cover (U300s)” on page 54 •• “1020 Battery pack (U300s)” on page 56 •• “1030 Speakers (U300s)” on page 57 •• “1040 Solid State Disk (U300s)” on page 58 •• “1050 USB Board (U300s)” on page 59 •• “1060 Keyboard and keyboard bezel (U300s)” on page 60 •• “1070 PCI Express Mini Card for wireless LAN (U300s)” on page 64 •• “1080 LCD unit (U300s)” on page 66 Figure 10.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 10. Removal steps of fan assembly and heat sink assembly (continued) 4 4 When installing: Make sure that the fan connector is attached firmly to the system board. Step 2 3 4 Screw (quantity) Color Torque M2 × 4 mm, flat-head, nylok-coated (4) White 1.5 ± 0.2 kgfcm M2 × 3 mm, flat-head, nylok-coated (4) White 1.5 ± 0.2 kgfcm M2 × 3 mm, flat-head, nylok-coated (2) White 1.5 ± 0.
Lenovo IdeaPad U300/U300s/U400 Figure 10. Removal steps of fan assembly and heat sink assembly (continued) a When installing: •• Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, to the a part shown in the figure above. Either too much or too less grease application can cause a thermal problem due to imperfect contact with a component.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1110 System board (U300s) Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid rough handling of any kind. • In the whole process, make sure not to drop or stack the system board.
Lenovo IdeaPad U300/U300s/U400 Figure 11. Removal steps of system board Remove four screws 1, then remove the fan bracket from the system board in the direction shown by arrows 2. 1 1 1 2 2 When installing: Make sure that the power connector is attached firmly. Step 1 Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylok-coated (4) Black 1.5 ± 0.2 kgfcm Remove the IO board in the direction shown by arrow 3.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual U400 1010 Base cover (U400) Note: Turn off the computer first. Otherwise, it may cause permanent damage to the computer. Figure 1. Removal steps of base cover Open the rubbers and remove two screws the direction shown by arrow 2. 1, then remove the base cover in 1 1 2 Step 1 74 Screw (quantity) Color Torque M2 × 4 mm, flat-head, nylok-coated (2) White 3.5 ± 0.
Lenovo IdeaPad U300/U300s/U400 Note: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. When you replace the base cover, you need to apply the following label: The following labels need to be peeled off from the old base cover, and need to be put on the new base cover.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1020 Battery pack (U400) For access, remove this FRU: •• “1010 Base cover (U400)” on page 74 DANGER Only use the battery specified in the parts list for your computer. Any other battery could ignite or explode. Figure 2. Removal steps of battery pack Detach the battery pack connector in the direction shown by arrow 1, remove five screws 2 and one screw 3, and then remove the battery pack 4.
Lenovo IdeaPad U300/U300s/U400 1030 Hard disk drive (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 Attention: • Do not drop the hard disk drive or apply any physical shock to it. The hard disk drive is sensitive to physical shock. Improper handling can cause damages and permanent loss of data. • Before removing the drive, suggest the customer to backup all the information on it if possible.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1040 PCI Express Mini Card for wireless LAN (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 Figure 4. Removal steps of PCI Express Mini Card for wireless LAN 1 1 2 Disconnect the two wireless LAN cables (black, white) 1, and then remove the screw 2.
Lenovo IdeaPad U300/U300s/U400 Figure 4. Removal steps of PCI Express Mini Card for wireless LAN (continued) Remove the card in the direction shown by arrow 3. 3 When installing: •• In models with a wireless LAN card that has two antenna connectors, plug the black cable (1st) (MAIN) into the jack labeled 1, and the white cable (2nd) (AUX) into jack labeled 2 on the card.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1050 System board (U400) Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid rough handling of any kind. • In the whole process, make sure not to drop or stack the system board.
Lenovo IdeaPad U300/U300s/U400 Figure 5. Removal steps of system board Remove four screws 1 and three screws direction shown by arrows 3 4 5 6. 2. Detach seven connectors in the 1 1 1 2 1 2 2 5 4 3 3 4 6 4 6 When installing: Make sure that the connectors are attached firmly. Step 1 2 Screw (quantity) Color Torque M2 × 6 mm, flat-head, nylok-coated (4) Black 1.6 ± 0.24 kgfcm M2 × 2.5 mm, flat-head, nylok-coated (3) Black 1.6 ± 0.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1060 USB board and HDD board (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 •• “1030 Hard disk drive (U400)” on page 77 •• “1040 PCI Express Mini Card for wireless LAN (U400)” on page 78 •• “1050 System board (U400)” on page 80 Figure 6.
Lenovo IdeaPad U300/U300s/U400 Figure 6. Removal steps of USB board and HDD board (continued) Remove one screw 5, lift the USB board a little, and then remove two screws 6 on the back of that board. Unplug the connector in the direction by arrow 7, remove USB board 8. 5 6 6 7 8 Step 5 6 Screw (quantity) Color Torque M2 × 6 mm, flat-head, nylok-coated (1) Black 1.6 ± 0.24 kgfcm M2 × 2.5 mm, flat-head, nylok-coated (2) Black 1.6 ± 0.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1070 Speakers and microphone (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 •• “1030 Hard disk drive (U400)” on page 77 •• “1040 PCI Express Mini Card for wireless LAN (U400)” on page 78 •• “1050 System board (U400)” on page 80 •• “1060 USB board and HDD board (U400)” on page 82 Figure 7. Removal steps of speakers and microphone Remove two screws 1.
Lenovo IdeaPad U300/U300s/U400 Figure 7. Removal steps of speakers and microphone (continued) Remove the microphone in the direction by arrow 3. 3 When installing: Make sure that the speakers connector and microphone connector are attached firmly.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1080 Optical drive (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 •• “1030 Hard disk drive (U400)” on page 77 •• “1040 PCI Express Mini Card for wireless LAN (U400)” on page 78 •• “1050 System board (U400)” on page 80 •• “1060 USB board and HDD board (U400)” on page 82 •• “1070 Speakers and microphone (U400)” on page 84 Figure 8.
Lenovo IdeaPad U300/U300s/U400 1090 LCD unit (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 •• “1030 Hard disk drive (U400)” on page 77 •• “1040 PCI Express Mini Card for wireless LAN (U400)” on page 78 •• “1050 System board (U400)” on page 80 •• “1060 USB board and HDD board (U400)” on page 82 •• “1070 Speakers and microphone (U400)” on page 84 •• “1080 Optical drive (U400)” on page 86 Figure 9.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Figure 9. Removal steps of LCD unit (continued) Remove the LCD unit in the direction shown by arrows 2.
Lenovo IdeaPad U300/U300s/U400 1100 Keyboard and keyboard bezel (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 •• “1030 Hard disk drive (U400)” on page 77 •• “1040 PCI Express Mini Card for wireless LAN (U400)” on page 78 •• “1050 System board (U400)” on page 80 •• “1060 USB board and HDD board (U400)” on page 82 •• “1070 Speakers and microphone (U400)” on page 84 •• “1080 Optical drive (U400)” on page 86 •• “1090 LCD unit (U40
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1110 Fan assembly and Heat Sink assembly (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 •• “1030 Hard disk drive (U400)” on page 77 •• “1040 PCI Express Mini Card for wireless LAN (U400)” on page 78 •• “1050 System board (U400)” on page 80 Figure 11.
Lenovo IdeaPad U300/U300s/U400 Figure 11. Removal steps of fan assembly and heat sink assembly (continued) Lift the fan assembly and heat sink assembly in the direction shown by arrow 3. Be careful not to damage the connector. 3 Attention: Do not handle the heat sink assembly roughly. Improper handling can cause distortion or deformation and imperfect contact with components. a b When installing: •• Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1120 DIMM (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 •• “1030 Hard disk drive (U400)” on page 77 •• “1040 PCI Express Mini Card for wireless LAN (U400)” on page 78 •• “1050 System board (U400)” on page 80 Figure 12.
Lenovo IdeaPad U300/U300s/U400 1130 LCD front bezel (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 •• “1030 Hard disk drive (U400)” on page 77 •• “1040 PCI Express Mini Card for wireless LAN (U400)” on page 78 •• “1050 System board (U400)” on page 80 •• “1060 USB board and HDD board (U400)” on page 82 •• “1070 Speakers and microphone (U400)” on page 84 •• “1080 Optical drive (U400)” on page 86 •• “1090 LCD unit (U400)” on page
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1140 LCD panel, hinges and LCD cable (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 •• “1030 Hard disk drive (U400)” on page 77 •• “1040 PCI Express Mini Card for wireless LAN (U400)” on page 78 •• “1050 System board (U400)” on page 80 •• “1060 USB board and HDD board (U400)” on page 82 •• “1070 Speakers and microphone (U400)” on page 84 •• “1080 Optical drive (U400)” o
Lenovo IdeaPad U300/U300s/U400 Figure 14. Removal steps of LCD panel, hinges and LCD cable (continued) Remove four screws 3 , detach the integrated camera connector in the direction shown by arow 4. Remove the LCD panel in the direction shown by arrow 5. 3 4 3 3 5 3 Step 3 Screw (quantity) Color Torque M2 × 2.5 mm, flat-head, nylok-coated (4) Black 1.6 ± 0.24 kgfcm Note: The LCD cables are attached to the LCD panel by a metal connector.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 1150 Integrated camera (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 •• “1030 Hard disk drive (U400)” on page 77 •• “1040 PCI Express Mini Card for wireless LAN (U400)” on page 78 •• “1050 System board (U400)” on page 80 •• “1060 USB board and HDD board (U400)” on page 82 •• “1070 Speakers and microphone (U400)” on page 84 •• “1080 Optical drive (U400)” on page 86 •• “1
Lenovo IdeaPad U300/U300s/U400 1160 Antenna assembly and LCD cover (U400) For access, remove these FRUs in order: •• “1010 Base cover (U400)” on page 74 •• “1020 Battery pack (U400)” on page 76 •• “1030 Hard disk drive (U400)” on page 77 •• “1040 PCI Express Mini Card for wireless LAN (U400)” on page 78 •• “1050 System board (U400)” on page 80 •• “1060 USB board and HDD board (U400)” on page 82 •• “1070 Speakers and microphone (U400)” on page 84 •• “1080 Optical drive (U400)” on page 86 •• “1090 LCD unit (
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Locations Note: The illustrations used in this section are of the Lenovo ideapad U400, unless otherwise stated. Front view Integrated camera (Select models only) Wireless module antennas (Select models only) Power button System status indicators Note: For the description of each indicator, see “Status indicators” on page 29.
Lenovo IdeaPad U300/U300s/U400 Right-side view 1 2 3 4 5 6 7 USB port HDMI port RJ-45 port Headphone mic combo jack AC power adapter jack Optical drive Built-in microphone U300 2 1 7 5 3 1 U300s 5 1 2 4 7 U400 5 6 2 1 1 4 99
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Bottom and Left-side view 1 2 3 4 5 6 7 OneKey Rescue system button USB port Headphone mic combo jack Fan louvers RJ-45 port Base cover Built-in microphone U300 6 1 4 2 3 U300s 6 1 4 2 U400 6 1 4 5 2 7 100
Lenovo IdeaPad U300/U300s/U400 Parts list This section presents the following service parts: •• “Overall” on page 102 •• “LCD FRUs” on page 111 •• “Keyboard” on page 113 •• “Miscellaneous parts” on page 116 •• “AC adapters” on page 118 •• “Power cords” on page 119 Notes: • Each FRU is available for all types or models, unless specific types or models are specified.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Overall U300 1 U300 2 c a b d 4 f 3 5 e 6 7 g 8 9 h 10 11 12 13 15 14 16 102
Lenovo IdeaPad U300/U300s/U400 Table 5. Parts list—Overall No. FRU a-h 1 2 3 4 5 6 7 8 9 9 9 9 9 9 10 11 12 See “Miscellaneous parts” on page 116. Panel 13.3" CMI Keyboard (see “Keyboard” on page 113.) MICKEY Micphone Board MICKEY Power Board MICKEY LED Board MICKEY DC-IN Jack W/Cable MICKEY USB Board MICKEY Speaker(L+R)W/Cable MICKEY MB I7-2620 2.7G W/HDMI MICKEY MB I3-2330 2.2G W/HDMI MICKEY MB I5-2540 2.6G W/HDMI MICKEY MB I5-2520 2.5G W/HDMI MICKEY MB I5-2430 2.4G W/HDMI MICKEY MB I3-2350 2.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 5. Parts list—Overall (continued) No. FRU FRU no.
Lenovo IdeaPad U300/U300s/U400 U300s 1 U300 s 2 3 b 4 5 c d 6 7 9 8 10 e 12 11 f 13 g h a 14 15 16 i 17 18 105
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 6. Parts list—Overall 106 No. FRU FRU no. a-i 1 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 3 3 4 5 5 5 See “Miscellaneous parts” on page 116. Panel, 13.
Lenovo IdeaPad U300/U300s/U400 Table 6. Parts list—Overall (continued) No. FRU FRU no.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual U400 1 U400 3 2 4 k c a b 5 g 6 d l e f 7 m 8 9 n h 10 11 12 13 i 14 j 15 16 108
Lenovo IdeaPad U300/U300s/U400 Table 7. Parts list—Overall No. FRU a-l 1 2 3 3 3 4 5 5 6 7 8 8 9 9 10 10 11 11 See “Miscellaneous parts” on page 116. LCD unit (see “LCD FRUs” on page 111.) Keyboard (see “Keyboard” on page 113.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 7. Parts list—Overall (continued) No. FRU FRU no.
Lenovo IdeaPad U300/U300s/U400 LCD FRUs In Lenovo IdeaPad U400, there are following types of LCDs. •• “14.0-in.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual 14.0-in. HD TFT Table 8. Parts list—14.0-in. HD TFT 112 No. FRU FRU no. 1 2 3 3 3 3 4 5 5 6 7 8 LU47 LCD Bezel Rubber Dark-Gray LU47 LCD Bezel W/Camera Hole Light-Gray Panel, 14.0", AUO, B140XW03 V0 Panel, 14.0", CMI, N140BGE-L41 Panel, 14.0", LGD, LP140WH2-TLQ1 Panel, 14.0", SEC, LTN140AT20-L01 LU47 LCD Cable W/Camera Cable LU47 Hinge Left LU47 Hinge Right LU47 Camera 1.
Lenovo IdeaPad U300/U300s/U400 Keyboard Table 9.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 9.
Lenovo IdeaPad U300/U300s/U400 Table 9.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Miscellaneous parts U300 Table 10.
Lenovo IdeaPad U300/U300s/U400 U400 Table 12.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual AC adapters Table 13. Parts list—AC adapters 118 FRU P/N 65W, Delta ADP-65KH BD 20V/3.25A Adapter 65W, Liteon PA-1650-56LC20V3.25A Adapter 65W, Brazil PA-1650-52LB Adapter 65W, Chicony CPA-A065 20V3.25A Adapter(330PF) Slim 65W, Delta 20V3.25A (slim)(U300/U300s) Slim 65W, LITEON 20V3.25A (slim)(U300/U300s) Slim 65W 3pin, Delta 3pin ADP-65XB B 20V/3.25A Adapter (U400) Slim 65W 2pin, Delta ADP-65XB A 20V/3.
Lenovo IdeaPad U300/U300s/U400 Power cords A Lenovo IdeaPad power cord for a specific country or region is usually available only in that country or region: U300/U300s Table 14.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 14.
Lenovo IdeaPad U300/U300s/U400 Table 14.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 15.
Lenovo IdeaPad U300/U300s/U400 Table 15.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual U400 Table 16.
Lenovo IdeaPad U300/U300s/U400 Table 16.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Table 17. Parts list—2-pin power cords 126 Region P/N Japan 2pin • LINETEK LP51A+HVCTFK 0.
Notices Notices Lenovo may not offer the products, services, or features discussed in this document in all countries. Consult your local Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used.
Lenovo IdeaPad U300/U300s/U400 Hardware Maintenance Manual Any performance data contained herein was determined in a controlled environment. Therefore, the result obtained in other operating environments may vary significantly. Some measurements may have been made on development-level systems and there is no guarantee that these measurements will be the same on generally available systems. Furthermore, some measurements may have been estimated through extrapolation. Actual results may vary.
