Hardware Maintenance Manual Lenovo M4400s
Note: Before using this information and the product it supports, be sure to read the general information under Appendix A “Notices” on page 71. First Edition (August 2013) © Copyright Lenovo 2013. 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. . . . . . . . . . . iii Chapter 1. Safety information . . . . . . 1 General safety . . . . . . . . . . . . . . . Electrical safety . . . . . . . . . . . . . . Safety inspection guide . . . . . . . . . . . Handling devices that are sensitive to electrostatic discharge. . . . . . . . . . . . . . . . . Grounding requirements . . . . . . . . . . . Safety notices (multilingual translations) . . . . . Chapter 2. General checkout . . . . . What to do first . . . . . . . .
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About this manual This manual provides service and reference information for the following Lenovo® products. Machine Machine Types (MT) Lenovo M4400s 80B9, 20282 This manual provides information about the computer features, specifications, component locations, hardware replacement procedures, and parts listing. This manual also includes safety guidelines and important notices for servicing the computer.
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Chapter 1. Safety information This chapter presents following safety information that you need to be familiar with before you service a Lenovo notebook computer.
Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges. Do not use this type of mat to protect yourself from electrical shock. • Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet.
Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service technicians from injury. This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-Lenovo features or options not covered by this inspection guide.
• Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people. • Wear a grounded wrist strap against your skin to eliminate static on your body. • Prevent the part from touching your clothing. Most clothing is insulative and retains a charge even when you are wearing a wrist strap. • Use a grounded work mat to provide a static-free work surface. The mat is especially useful when handling ESD-sensitive devices.
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Chapter 2. General checkout This chapter contains the following topics: • “What to do first” on page 21 • “Power system checkout” on page 22 Before you go to the checkout instructions, ensure that you read the following important notes. Important notes: • Only certified trained personnel should service the computer. • Before replacing any FRU, read the entire page on removing and replacing FRUs. • When you replace FRUs, it is recommended to use new nylon-coated screws.
• Improper disc insertion or use of an optical drive • Diskette drive damage caused by pressure on the diskette drive cover, foreign material in the drive, or the insertion of a diskette with multiple labels • Damaged or bent diskette eject button • Fuses blown by attachment of an unsupported device • Forgotten computer password (making the computer unusable) • Sticky keys caused by spilling liquid onto the keyboard • Use of an incorrect ac power adapter on notebook computers The following symptoms might in
• If the voltage is acceptable, do the following: a. Replace the system board. b. If the problem persists, call the Customer Support Center. Note: Noise from the ac power adapter does not always indicate a defect. Checking operational charging To check whether the battery pack charges properly during operation, do the following: Note: Before you begin, install a discharged battery pack or a battery pack that has less than 50% of the total power remaining in the computer. 1.
• If the voltage is more than +12.0 V dc, discharge the battery pack until the voltage becomes less than +12.0 V dc and then recharge the battery pack. If the voltage still is less than +12.0 V dc after recharging, replace the battery pack. Note: Recharging will take at least three hours, even if the battery status indicator does not turn on. 5. Replace the system board if the new battery pack is not charged.
Chapter 3. Important service information This chapter presents the following information: • “Recovering the computer settings” on page 25 • “Using passwords” on page 25 • “Power management” on page 26 Recovering the computer settings This topic provides information about the recovery programs that are available for you to recover the computer settings.
Attention: If you forget the password, there is no service procedure to reset the password. The system board must be replaced for a scheduled fee. • Power-on password: A power-on password protects the computer from being turned on by an unauthorized person. If a power-on password has been set, the user must enter the password before starting the operating system. • Supervisor password: A supervisor password protects the system information stored in the BIOS program.
Hibernation mode In hibernation mode, the following occurs: • The system status, RAM, VRAM, and setup data are stored on the hard disk drive. • The system is powered off. If you have defined one of the following actions as the event that causes the computer to enter hibernation mode, perform that action. • Closing the lid. • Pressing the power button.
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Chapter 4. Status indicators This topic presents the system status indicators that show the status of the computer. 4 3 2 1 Table 1. Status indicators Indicator Meaning 1 Green: The hard disk drive is reading or writing data. Device access status indicator Attention: • When the indicator is on, do not put the computer into sleep mode or turn off the computer. • When the indicator is on, do not move the computer. Sudden physical shock might cause drive errors.
Table 1. Status indicators (continued) Indicator Meaning 3 To enable or disable Caps Lock mode, press the Caps Lock key. Caps Lock status indicator Cap s Lk 4 30 Power-on status indicator • White: Caps Lock mode is enabled. You can type all alphabetic characters (A-Z) in uppercase directly. • Off: Caps Lock mode is disabled. • Green: The computer is on and ready for use. • Off: The computer is off or in hibernation mode.
Chapter 5. Fn key combinations The following table describes the functions of Fn key combinations. Table 2. Function key combinations Key combination Description Fn+Esc • Windows 7: Changes the camera and audio settings. • Windows 8: Turns on or off the camera. Fn+F1 Puts the computer into sleep mode. To resume normal operation, press the Fn key only. Fn+F2 Enables the backlight feature of the computer screen. To disable the feature, press Fn+F2.
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Chapter 6. Locations This chapter provides information about component locations. Locating computer controls, connectors, and indicators This topic introduces the locations of the computer controls, connectors, and indicators. Front view 2 1 2 12 11 10 3 9 4 8 5 7 5 6 Figure 1. Front view 1 Camera (on some models) 7 Fingerprint reader (on some models) 2 Microphones 8 Right-click button 3 ac power connector 9 Touch pad 4 Ethernet connector 10 Left-click button 5 USB 3.
Bottom view 4 1 2 3 4 10 5 6 7 8 9 Figure 2. Bottom view 1 Battery lock 6 Fan louvers 2 Battery pack 7 USB 2.0 connector 3 Battery latch 8 Combo audio jack 4 Speakers 9 Media card reader slot 5 Security keyhole 10 Bottom slot cover Note: The memory modules, hard disk drive, and wireless cards are located underneath the bottom slot cover.
– Self-service CRUs: These CRUs unplug or are held by no more than two screws. Examples of these types of CRUs include the ac power adapter, power cord, battery, and hard disk drive. Other self-service CRUs depending on product design might include the memory module, wireless card, keyboard, and palm rest with finger print reader and touch pad. – Optional-service CRUs: These CRUs are isolated parts within the computer that are concealed by an access panel that is typically secured by more than two screws.
Table 3. Major FRUs and CRUs No.
1 2 7 6 3 4 5 Table 4. LCD FRUs No. FRU description CRU ID 1 LCD Bezel N 2 Hinges N 3 Camera and microphones board N 4 LCD cover N 5 Antennas N 6 LCD cable N 7 LCD panel N Looking up FRU information For detailed FRU information, including part numbers, descriptions, and substitution part numbers, go to http://www.lenovo.com/serviceparts-lookup. Chapter 6.
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Chapter 7. FRU replacement notices This chapter presents notices related to removing and replacing parts. Read this chapter carefully before replacing any FRU. CRU statement for customers: You can resolve some problems with your product with a replacement part you can install yourself, called a “Customer Replaceable Unit” or “CRU.” Some CRUs are designated as self-service CRUs and others are designated as optional-service CRUs. Installation of self-service CRUs is your responsibility.
• If you are instructed to replace a 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 the processor board or the system board, but the replacement does not solve the problem, reinstall the original board, and then replace the other one. • If an adapter or a device consists of more than one FRU, any of the FRUs might be the cause of the error.
Chapter 8. Removing or replacing a FRU This chapter provides instructions on how to remove or replace a FRU. CRU statement for customers: You can resolve some problems with your product with a replacement part you can install yourself, called a “Customer Replaceable Unit” or “CRU.” Some CRUs are designated as self-service CRUs and others are designated as optional-service CRUs. Installation of self-service CRUs is your responsibility.
1010 Battery pack Removal steps of the battery pack DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. Unlock the battery lock 1 . Hold the battery latch in the unlocked position, and then remove the battery pack 2 . 1 2 2 When installing: Install the battery pack in the slot. Ensure that the battery latch and the battery lock are in the locked positions.
Removal steps of the bottom slot cover Remove the screws 1 , and then remove the bottom slot cover 2 . 1 1 2 Step Screw (quantity) Color Torque 1 M2 × 4 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) 1030 Memory modules For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 Chapter 8.
Removal steps of the memory modules Release the two latches on both edges of the socket at the same time 1 , and then carefully remove the memory module 2 . 1 2 1 When installing: Insert the notched end of the memory module into the socket. Press the memory module firmly, and pivot it downward until it snaps into place. Ensure that the memory module is firmly installed in the slot and does not move easily.
1040 Hard disk drive assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 Important notice for replacing a hard disk drive Always try to run a low-level format before replacing a hard disk drive. This will cause all customer data on the hard disk to be lost. Ensure that the customer has a current backup of the data before doing this task. Attention: • Do not drop the drive or apply any physical shock to it.
Remove the hard disk drive from the slot. 3 When installing: Ensure that the hard disk drive connector is attached firmly. Removal steps of the hard disk drive bracket Remove the screws 1 . 1 1 1 1 Step Screw (quantity) Color Torque 1 M3 × 4 mm, flat-head, nylon-coated (4) Black 0.392 Nm (4.0 kgf-cm) Remove the hard disk drive bracket.
Removal steps of the PCI Express Mini Card for wireless LAN In steps 1 , unplug the connectors by using the antenna RF connector or pick up the connectors with your fingers and gently unplug them. Then remove the screws 2 . 2 1 1 2 Step Screw (quantity) Color Torque 2 M2 × 3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Remove the PCI Express Mini Card for wireless LAN.
Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data. • Before removing the drive, have the user make a backup copy of all the information on it if possible. • Never remove the drive while the computer is operating or in suspend mode. Removal steps of the mSATA solid-state drive Remove the screws 1 .
Removal steps of the backup battery DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. Carefully pry the backup battery out using a screwdriver. 1080 Base cover For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 Chapter 8.
Removal steps of the base cover Remove the screws 1 and 2 . 1 1 1 1 1 1 2 1 1 1 1 1 1 Step Screw (quantity) Color Torque 1 M2.5 × 7 mm, flat-head, nylon-coated (12) Black 0.392 Nm (4.0 kgf-cm) 2 M2.5 × 5 mm, flat-head, nylon-coated (1) Black 0.392 Nm (4.0 kgf-cm) Remove the base cover. 3 3 3 3 3 3 4 3 3 3 3 3 3 3 3 Applying labels to the base cover The new base cover is shipped with a kit containing labels of several kinds.
The following illustration shows the label locations on the base cover.
Removal steps of the media card reader slot board Remove the screw 1 , and then detach the cable. 1 2 3 Step Screw (quantity) Color Torque 1 M2.5 × 3 mm, flat-head, nylon-coated (1) Black 0.392 Nm (4.0 kgf-cm) When installing: Ensure that the cable is attached firmly to the system board. Remove the media card reader slot board.
Removal steps of the fingerprint board bracket and fingerprint board Remove the screw 1 , and then remove the fingerprint board bracket 2 . 1 2 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgf-cm) Detach the fingerprint connector. 3 4 When installing: Ensure that the connector is attached firmly to the system board. Chapter 8.
Remove the fingerprint board. 5 1120 Thermal module assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 • “1040 Hard disk drive assembly” on page 45 • “1080 Base cover” on page 49 Removal steps of the thermal module assembly Detach the connector. 1 When installing: Ensure that the connector is attached firmly to the system board.
Loosen the screws 2 to 7 . 3 4 5 7 6 2 Remove the thermal module assembly. Attention: Be careful not to damage the connector. 8 When installing: Before you attach the thermal module assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the part marked a and b as shown in the following illustrations. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component.
For models with a discrete thermal module assembly a b 1130 DC-in connector For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 • “1040 Hard disk drive assembly” on page 45 • “1080 Base cover” on page 49 • “1120 Thermal module assembly” on page 54 Removal steps of the DC-in connector Remove the screws 1 . 1 1 1 Step Screw (quantity) Color Torque 1 M2.5 × 5 mm, flat-head, nylon-coated (3) Black 0.392 Nm (4.
In step 2 , open the LCD hinge by pivoting it upward. Then detach the connector 3 . 3 2 When installing: Ensure that the connector is attached firmly to the system board. Remove the DC-in connector. 4 1140 Power board For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 • “1040 Hard disk drive assembly” on page 45 • “1080 Base cover” on page 49 • “1120 Thermal module assembly” on page 54 Chapter 8.
Removal steps of the power board Remove the screws 1 . 1 1 1 Step Screw (quantity) Color Torque 1 M2.5 × 5 mm, flat-head, nylon-coated (3) Black 0.392 Nm (4.0 kgf-cm) In step 2 , open the LCD hinge by pivoting it upward. Then detach the connector. 4 3 2 When installing: Ensure that the connector is attached firmly to the system board. Remove the power board.
1150 System board assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1020 Bottom slot cover” on page 42 • “1030 Memory modules” on page 43 • “1040 Hard disk drive assembly” on page 45 • “1050 PCI Express Mini Card for wireless LAN” on page 46 • “1060 mSATA solid-state drive” on page 47 • “1070 Backup battery” on page 48 • “1080 Base cover” on page 49 • “1110 Fingerprint board bracket and fingerprint board” on page 52 • “1120 Thermal module assembly” on page 54 Important not
For models with a discrete thermal module assembly b a c Removal steps of the system board assembly Remove the screws 1 . 1 1 1 1 1 1 Step Screw (quantity) Color Torque 1 M2.5 × 5 mm, flat-head, nylon-coated (6) Black 0.392 Nm (4.0 kgf-cm) When installing: Ensure that all the connectors are attached firmly.
Open the LCD hinges by pivoting them upward. 2 2 Detach the connectors. 5 6 4 7 3 8 9 14 15 11 10 12 13 When installing: Ensure that all the connectors are attached firmly to the system board. Chapter 8.
Remove the screws 16 , and then remove the system board assembly 17 . 16 17 16 16 Step Screw (quantity) Color Torque 16 M2.5 × 3 mm, flat-head, nylon-coated (3) Black 0.392 Nm (4.
Removal steps of the touch pad assembly, speakers, keyboard bezel, and LCD unit Remove the screws 1 and then remove the touch pad bracket 2 . 1 2 1 Step Screw (quantity) Color Torque 1 M2 × 4 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgf-cm) Remove the touch pad. 3 Remove the speakers. 1 1 Chapter 8.
Remove the keyboard bezel. 1 2010 LCD front bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1160 Touch pad assembly, speakers, keyboard bezel, and LCD unit” on page 62 Removal steps of the LCD front bezel Remove the screws 1 . 1 1 Step Screw (quantity) Color Torque 1 M2 × 4 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.
Remove the LCD front bezel. 2 2 2 2 When installing: Ensure that all the latches are attached firmly. Then secure the bezel with the screws. 2020 Camera and microphone board For access, remove these FRUs in order: • “1010 Battery pack” on page 42 • “1160 Touch pad assembly, speakers, keyboard bezel, and LCD unit” on page 62 • “2010 LCD front bezel” on page 64 Chapter 8.
Removal steps of the camera and microphone board Detach the connector 1 and then peel off the camera and microphone board 2 . Note: The camera and microphone board is adhered to the top center of the LCD cover. 1 2 When installing: Adhere the camera and microphone board to the top center of the LCD cover and adjust the placement to ensure that the connector is attached firmly.
Removal steps of the LCD panel and LCD cable Remove the screws 1 , and then remove the LCD panel 2 . 1 1 2 1 1 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) Turn over the LCD panel. Then detach the LCD cable. 4 5 3 When installing: Ensure that the cable is attached firmly. Chapter 8.
Removal steps of the hinges Remove the screws 1 . 1 1 1 1 Step Screw (quantity) Color Torque 1 M2 × 3 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgf-cm) Remove the hinges.
Removal steps of the antenna assembly and LCD rear cover Release the antenna cables from the cable guides of the LCD rear cover assembly and from the hinges. 1 1 2 2 1 1 1 1 Cable routing: Route the antenna cables along the cable guides and secure the antenna boards with tapes. Attention: When you route the cables, ensure that they are not subject to any tension. Tension could damage the cables and wires. Remove the antenna assembly. 3 3 Chapter 8.
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Appendix A. 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.
Electronic emissions notices For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. EU contact: Lenovo, Einsteinova 21, 851 01 Bratislava, Slovakia Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Lenovo OneKey Microsoft and Windows are trademarks of the Microsoft group of companies. Other company, product, or service names may be trademarks or service marks of others.
