IdeaCentre A520 All-In-One PC Hardware Maintenance Manual ideaideaideaCentreidea Machine Types: 6597/10106 [A520]
IdeaCentre A520 All-In-One PC Hardware Maintenance Manual Machine Types: 6597/10106 [A520]
First Edition (August 2012)25th © Copyright Lenovo 2012. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software are delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No.
Contents Chapter 1. About this manual . . . . . . 1 Chapter 8. Replacing hardware . . . . Important Safety Information . . . . . . . . . . General information . . . . . . . . Replacing the keyboard and mouse . Replacing the power adapter . . . . Removing the base cover . . . . . Replacing the hard disk drive . . . . Replacing a memory module . . . . Replacing the system fan . . . . . Replacing the heat-sink . . . . . . Replacing the CPU . . . . . . . . Replacing the optical drive . . . . .
iv IdeaCentre A520 All-In-One PCHardware Maintenance Manual
Chapter 1. About this manual This manual contains service and reference information for IdeaCentre A520 All-In-One computers listed on the cover. It is intended only for trained servicers who are familiar with Lenovo computer products. Before servicing a Lenovo product, be sure to read the Safety Information. The description of the TV-tuner card in this manual applies only to computers with a TV-tuner card installed. It does not apply to computers without a TV-tuner card.
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Chapter 2. Safety information This chapter contains the safety information that you need to be familiar with before servicing a computer. General safety Follow these rules to ensure general safety: • Keep the areas around the computer clear and clean during and after maintenance. • When lifting any heavy object: 1. Ensure you can stand safely without slipping. 2. Distribute the weight of the object equally across both feet. 3. Lift slowly. Never move suddenly or twist when you attempt to lift. 4.
Observe the following rules when working on electrical equipment. 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 rubber floor mats near their equipment that contain small conductive fibers to decrease electrostatic discharge. • Find the room emergency power-off (EPO) switch, disconnecting switch, or electrical outlet.
– Switch off power. – Send another person to get medical aid. Safety inspection guide The intent of this inspection guide is to assist you in identifying potential hazards posed by these products. Each computer, as it was designed and built, had required safety items installed to protect users and service personnel from injury. This guide addresses only those items.
• Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people while handling the part. • 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 the black side of a grounded work mat to provide a static-free work surface. The mat is especially useful when handling ESD-sensitive devices.
To Connect To Disconnect 1. Turn everything OFF. 1. Turn everything OFF. 2. First, attach all cables to devices. 2. First, remove power cords from outlets. 3. Attach signal cables to connectors. 3. Remove signal cables from connectors. 4. Attach power cords to outlet. 4. Remove all cables from devices. 5. Turn device ON. CAUTION: When replacing the lithium battery, use only Part Number 45C1566 or an equivalent type battery recommended by the manufacturer.
≥18 kg (37 lbs) ≥32 kg (70.5 lbs) ≥55 kg (121.2 lbs) CAUTION: Use safe practices when lifting. CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 2 1 CAUTION: Do not place any object weighing more than 82 kg (180 lbs.
Chapter 3. General information This chapter provides general information that applies to all computer models covered by this manual. Specifications This section lists the physical specifications for your computer. This section lists the physical specifications for your computer. Type IdeaCentre A520 This section lists the physical specifications.
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Chapter 4. General Checkout Attention: The drives in the computer you are servicing might have been rearranged or the drive startup sequence may have been changed. Be extremely careful during write operations such as copying, saving, or formatting. Data or programs can be overwritten if you select an incorrect drive. General error messages appear if a problem or conflict is found by an application, the operating system, or both.
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Chapter 5. Using the Setup Utility The Setup Utility program is used to view and change the configuration settings of your computer, regardless of which operating system you are using. However, the operating system settings might override any similar settings in the Setup Utility program. Starting the Lenovo BIOS Setup Utility program To start the Lenovo BIOS Setup Utility program, do the following: 1.
Administrator Password Setting an Administrator Password deters unauthorized persons from changing configuration settings. You might want to set an Administrator Password if you are responsible for maintaining the settings of several computers. After you set an Administrator Password, a password prompt is displayed every time you access the Lenovo BIOS Setup Utility program. If both the Administrator and Power-On Password are set, you can type either password.
When a Power-On Password is set, you cannot start the Lenovo BIOS Setup Utility program until a valid password is typed from the keyboard. Setting, changing, or deleting a Power-On Password Note: A password can be any combination of letters and numbers up to 16 characters (a-z and 0-9). To set a Power-On Password, do the following: 1. Start the Lenovo BIOS Setup Utility program (see ”Starting the Lenovo BIOS Setup Utility program” on page 13). 2.
Onboard Audio Controller Select whether to enable or disable the Onboard Audio Controller. When this feature is set to Disabled all devices connected to the audio connectors (e.g. headphones or a microphone) are disabled and cannot be used. Onboard Ethernet Controller or LAN Boot Agent Select whether to enable or disable the Onboard Ethernet Controller, or select whether to enable or disable load onboard PXE (Preboot Execution Environment). To enable or disable a device, do the following: 1.
To view or permanently change the configured startup device sequence, do the following: 1. Start the Lenovo BIOS Setup Utility program (see “Starting the Lenovo BIOS Setup Utility program” on page 13). 2. From the Lenovo BIOS Setup Utility program main menu, select the Startup option. 3. Press the Enter key, and select the devices for the Primary Boot Sequence. Read the information displayed on the right side of the screen. 4. Use ↑ and ↓ arrows to select a device.
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Chapter 6. Symptom-to-FRU Index The Symptom-to-FRU index lists error symptoms and possible causes. The most likely cause is listed first. Always begin with Chapter 4, “General Checkout,” on page 11. This index can also be used to help you decide which FRUs to have available when servicing a computer. If you are unable to correct the problem using this index, go to “Undetermined problems” on page 20. Notes: • If you have both an error message and an incorrect audio response, diagnose the error message first.
POST error codes Each time you turn the computer on, it performs a series of tests to check that the system is operating correctly and that certain options are set. This series of tests is called the Power-On Self-Test, or POST. POST does the following: • Checks some basic motherboard operations • Checks that the memory is working correctly • Starts video operations • Verifies that the boot drive is working POST Error Message Description/Action Keyboard error Cannot initialize the keyboard.
Chapter 7. Locating connectors, controls and components This section provides illustrations to help locate the various connectors, controls and components of the computer. Font view The following illustration shows the location of controls and components on the front of the computer. Attention: Be careful not to block any air vents on the computer. Blocked air vents can cause overheating. 1 2 3 17 16 4 5 6 7 8 9 10 11 12 13 14 15 1. Built-in microphone 10. PC mode/HDMI-in/AV-in switch 2.
Left and right view The following illustration shows the location of connectors, controls and components on the left and right side of the computer. 8 7 1 2 3 4 5 6 1. Air vents 5. Optical drive eject button 2. USB 3.0 connector 6. Optical drive 3. HDMI-in connector (selected models only) 7. Power button 4. HDMI-out connector 8. Anti-scratch protector Attention: Do not insert 3-inch discs into the optical drive.
Rear view The following illustration shows the location of connectors and components on the rear of the computer. 1 2 3 4 5 6 7 8 1. TV tuner connector (selected models only) 5. USB 2.0 connectors (2) 2. Headphone connector 6. Power connector 3. Microphone connector 7. Ethernet connector (RJ45) 4. USB 3.0 connector 8. Security cable slot Chapter 7.
Hardware components The following illustration shows the components that make up your computer. 4 5 6 7 30 8 29 9 28 27 26 10 11 12 13 25 14 15 16 17 18 19 24 23 22 20 21 1. System fan 16. Bluetooth module 2. Scalar board 17. Power switch board 3. Hard disk drive bracket 18. Front function board 4. Hard disk drive 19. Battery 5. Hard disk drive rubbers 20. Solid state disk 6. CPU 21. TV-tuner card 7. Base cover 22. Glass 8. Optical drive 23. Panel frame 9.
Identifying parts on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in your computer. It provides basic computing functions and supports a variety of devices that are factory-installed or that you can install later. The following illustration shows the location of connectors and components on the front of the motherboard. 1. HDMI-out connector 12. TV jack 2 (Japan only) 2. HDMI-in connector 13. Card reader 3. USB 3.0 connector 14.
The following illustration shows the location of connectors and components on the back of the motherboard. 23. TV-Tuner card connector 26 24.
Chapter 8. Replacing hardware Attention: Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer. To obtain copies of the Safety and Warranty Guide, go to the Support Web site at: http://support.lenovo.com. Note: Use only parts provided by Lenovo. General information Pre-disassembly instructions Before starting the disassembly procedure, make sure that you do the following: 1.
Replacing the keyboard and mouse To replace the keyboard and mouse: Step 1. Remove any media (disks, CDs, DVDs or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer.
Step 3. Disconnect the failing power adapter from the computer. Step 4. To install the new power adapter: a. Connect the new power adapter to the same connector. Chapter 8.
Removing the base cover Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage. To remove the base cover: Step 1.
Step 6. To reattach the base cover: a. Line up the base cover with the base, slide it back and snap it into position. b. Place the computer face-down on a soft flat surface, then secure the base cover to the base with the 7 screws. c. Return the computer to an upright position. Replacing the hard disk drive Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover. To replace the hard disk drive: Step 1.
Step 7. Slide the hard disk drive and rubbers out of the bay as shown. Step 8. Detach the rubbers from the hard disk drive as shown. Step 9. Install the new hard disk drive as follows: a. Attach the rubbers to the new hard disk drive. b. Slide the new hard disk drive into the hard disk drive bay. c. Secure the new hard disk drive to motherboard with the 2 screws. d. Connect the data and power cables to the new hard disk drive and to the connectors on the motherboard. Step 10.
Step 5. Push out the latches on both sides of the memory socket to release the memory module. Gently pull the memory module upward to remove it from its socket. Step 6. To install the new memory module: Step 7. a. Align the new memory module with the memory socket, then insert it and push down on the top edge. b. Make sure the latches lock the memory module in place. Reattach the base cover and secure it with the screws.
Step 5. Remove the 3 screws that secure the system fan to the heat-sink. 1 Step 6. Disconnect the power cable from the motherboard. 2 Step 7. Lift up the system fan to remove it. 3 1 2 3 Step 8. Step 9. To install the new system fan: a. Line up the new system fan with the mounting holes on the heat-sink and place it into position. b. Secure the new system fan to the heat-sink with the 3 screws. c. Connect the new power cable to the connector on motherboard.
Step 6. Remove the 9 screws that secure the heat-sink to the motherboard. Step 7. Lift up the heat-sink to remove it. Attention: Place the heat-sink upside down on a flat surface to prevent thermal grease from contaminating other components. Step 8. Step 9. To install the new heat-sink: a. Use an alcohol pad to wipe the thermal grease off the CPU. b. Line up the new heat-sink with mounting holes on the motherboard. c. Secure the new heat-sink to the motherboard with the 9 screws. d.
Step 7. Use a flat head screwdriver to turn the CPU lock screw counterclockwise to unlock the CPU. 1 2 Step 8. Lift the microprocessor straight up and out of the socket. 3 1 2 3 Attention: Do not touch the gold contacts on the bottom of the microprocessor. When handling the microprocessor, touch only the sides. Note: Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible. Step 9.
Step 11. Lower the microprocessor straight down into its socket on the motherboard. 1 Step 12. To secure the microprocessor by turning the CPU lock screw clockwise to lock the CPU into position. 2 3 2 3 1 Step 13. Use a thermal grease syringe to place 5 drops of grease on the top of the microprocessor. Each drop of grease should be 0.03 ml (3 tick marks on the grease syringe). Step 14. Reattach the system fan, heat-sink, and base cover, then secure them with the screws.
Step 6. Remove the 3 screws that secure the optical drive to the motherboard and lift the optical drive up to remove it. Step 7. Remove the 4 screws that secure the optical drive to the bracket and disconnect the data connector from the rear of optical drive.
Step 8. Use a small flat head screwdriver to press and push out the pins that secure the cover to the drive. 1 2 Step 9. Separate the cover from the defective optical drive. Step 10. Install the new optical drive as follows: a. Align the new optical drive with the cover, and then attach the cover to the new optical drive. b. Connect the data connector to the new optical drive. c. Align the new optical drive with the bracket, push it into position and secure it with the 4 screws. d.
Step 5. Remove the 2 screws that secure the solid state disk to the motherboard. Step 6. Pull the solid state disk upward to remove it from the card port. Step 7. To install the new solid state disk: Step 8. a. Insert the notched end of the new solid state disk into the card port on the motherboard. b. Secure the new solid state disk to the motherboard using the 2 screws. Reattach the base cover and secure it with the screws.
Step 14. Remove the 7 screws that secure the motherboard to the chassis and slide it out as shown. Step 15. Remove the 2 screws that secure the TV-Tuner card to the motherboard. Step 16. Disconnect the antenna cable(s) from the TV-Tuner card. Step 17. Pull the TV-Tuner card upward to remove it from the card port. Chapter 8.
Step 18. Use a flat head screwdriver as a lever to prise out the battery gently as shown. Step 19. To install the new motherboard: a. Insert the battery (CR2032) into the socket with the side labeled “+” facing up, and press the battery into place. b. Insert the notched end of the TV-Tuner card into the card port on the new motherboard and secure it with the 2 screws. c. Connect the antenna cable(s) to the TV-Tuner card. d. Line up the new motherboard with the chassis and slide it into position.
Replacing the speaker system Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover. To replace the speaker system: Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer.
Step 12. Detach the speakers from the chassis. Step 13. To install the new speaker system: a. Attach the new speaker cable to the chassis. b. Line up the motherboard with the chassis and slide it into position. Align the holes on the motherboard with the mounting holes on the chassis and secure it to the chassis with the 7 screws. c. Line up the new speaker system with the mounting holes on the chassis and secure the new speaker system with the 4 screws. d.
Step 11. Remove the 7 screws that secure the motherboard to the chassis and slide it out as shown. Step 12. Remove the 2 screws that secure the TV-Tuner card to the motherboard. Step 13. Disconnect the antenna cable(s) from the TV-Tuner card. Step 14. Pull the TV-Tuner card upward to remove it from the card port. Step 15. To install the new TV-Tuner card: a. Insert the notched end of the TV-Tuner card into the card port. b. Secure the new TV-Tuner card to the motherboard with the 2 screws. c.
Replacing the battery Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover. To replace the battery: Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer.
Step 12. Use a flat head screwdriver as a lever to prise out the battery as shown. Step 13. To install the new battery: a. Insert the new battery (CR2032) into the socket with the side labeled “+” facing up, and press the battery into place. Step 14. Line up the motherboard with the chassis and slide it into position. Align the holes on the motherboard with the mounting holes on the chassis and secure it to the chassis with the screws. Step 15.
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to “Left and right view” and “Rear view” for help with locating the various connectors. Step 4. Remove the base cover. Refer to “Removing the base cover”. Step 5. Disconnect the scalar headphone input, scalar and DVI/HDMI cables from the connectors on the motherboard. Step 6.
Removing the rear cover Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover. To remove the rear cover: Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer.
a. Raise the hinge, line up the rear cover with the LED panel and slide it back into position. b. Press the edge of rear cover to lock the cover to the LED panel with the pins. c. Slide the rear deco back into position. Step 11. Reattach the hinge to the chassis, and reconnect the scalar headphone input, scalar and DVI/HDMI cables to the motherboard. Step 12. Reattach the base cover and secure it with the screws.
Step 10. Reattach the rear cover to the LED panel. Step 11. Reattach the hinge to the chassis, and reconnect the scalar headphone input, scalar and DVI/HDMI cables to the motherboard. Step 12. Reattach the base cover and secure it with the screws. Replacing the touch control board Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover. To replace the touch control board: Step 1.
c. Line up the new touch control board with the mounting marks on the middle frame, then stick it to the middle frame. Step 10. Reattach the rear cover to the LED panel. Step 11. Reattach the hinge to the chassis, and reconnect the scalar headphone input, scalar and DVI/HDMI cables to the motherboard. Step 12. Reattach the base cover and secure it with the screws. Replacing the converter board Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover.
Step 10. To install the new converter board: a. Line up the holes on the new converter board with the mounting holes on the middle frame and secure it with the 4 screws. b. Connect the 2 cables to the new converter board. Step 11. Reattach the rear cover to the LED panel. Step 12. Reattach the hinge to the chassis, and reconnect the scalar headphone input, scalar and DVI/HDMI cables to the motherboard. Step 13. Reattach the base cover and secure it with the screws.
a. Line up the hole on the new power switch board with the mounting hole on the LED panel and secure it with the screw. b. Connect the power cable to the new converter board. Step 10. Reattach the rear cover to the LED panel. Step 11. Reattach the hinge to the chassis, and reconnect the scalar headphone input, scalar and DVI/HDMI cables to the motherboard. Step 12. Reattach the base cover and secure it with the screws.
Step 11. Reattach the hinge to the chassis, and reconnect the scalar headphone input, scalar and DVI/HDMI cables to the motherboard. Step 12. Reattach the base cover and secure it with the screws. Replacing the Wi-Fi card Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover. To replace the Wi-Fi card: Step 1.
Replacing the camera Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the base cover. To replace the camera: Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer.
To replace the front function board: Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer.
Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage. To replace the LED panel: Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3.
Step 16. Remove all the cables attached to the middle frame and the front bezel. Step 17. Remove the 5 screws that secure the hinge to the middle frame and set the hinge aside. Step 18. To install the new the LED panel: a. Line up the holes on the hinge with the mounting holes on the new middle frame and secure it with 5 screws. b. Attach all the cables to the new LED panel middle frame and front bezel. c.
4 5 6 7 30 8 29 9 28 27 26 10 11 12 13 25 14 15 16 17 18 19 24 23 22 20 21 Item # Name Part Description (English) FRU # CRU ID 10 Motherboard A520 WIN8 UMA W/HDMI W/TV MB 90001180 N A520 WIN8 UMA W/HDMI W/O TV MB 90001181 N A520 WIN8 UMA W/O HDMI W/TV MB 90001182 N A520 WIN8 UMA W/O HDMI W/O TV MB 90001183 N A520 WIN8 1G_GPU W/HDMI W/TV MB 90001184 N A520 WIN8 1G_GPU W/HDMI W/O TV MB 90001185 N A520 WIN8 1G_GPU W/O HDMI W/TV MB 90001186 N A520 WIN8 1G_GPU W/O HDMI W/O
17 Power switch board A720 Power Board 90000214 N 18 Front function board A720 LED Function Board 90000216 N 2 Scalar board A520 Scalar Board 90001192 N 28 Touch control board A520 Touch Control Board 90001193 N 22-25 LCD Module A520 LCD Module For LG 90400073 N Cables A720 HDD Cable 90200731 N A720 ODD Cable 90200732 N A520 Touch Cable 90202011 N A520 MMB Cable 90202012 N A520 Panel Back Light Cable 90202013 N A520 Converter Cable 90202014 N A520 Power Switch Cab
CPU 2GB PC3-12800 1600MHz DDR3 SODIMM 4GB PC3-12800 1600MHz DDR3 SODIMM 4 62 500G 5400rpm SATAII HDD Intel i3-3110M 2.4GHz 3MB 2c L1 PGAProcessor 102500303 N Intel i5-3210M 2.5GHz 3MB 2c L1 PGAProcessor 102500301 N Intel i5-3360M 2.8GHz 3MB 2c L1 PGAProcessor 102500297 N Intel i7-3820QM 2.7GHz 4MB 4c E1 PGAProcessor 102500304 N Intel i7-3720QM 2.6GHz 4MB 4c E1 PGAProcessor 102500306 N Intel i7-3610QM 2.3GHz 6MB 4c E1 PGAProcessor 102500289 N Intel B970 2.
750G 5400rpm SATAII HDD 1TB 5400RPM SATAII HDD WD5000LPVT-08G33T1 7mm 5.4K rpm 500G HDD 16200264 N WD WD7500BPVT-24HXZT3 5400RPM 750G HDD 16004848 N HT HTS547575A9E384 5400RPM 750G HDD 9.5mm 16200008 N WD WD7500BPVT-24A1YT0 5400PRM 9.5mm 750 HDD 16200088 N HGST Jaguar B 750G/P SATA2.0 5400RPM interface 4K sector generation product 16200192 N ST750LM022 5.4K 9.5 750G HDD 16200209 N HGST Jaguar B 1TB/P SATA2.
64 Luxshare 1.0m C5 Austrilian Power Cable 31049520 1 1.0M C5 JPN power cord with converter® 31038887 line cord + 31039655 3pin2pin converter 1 Volex 1m C5 Japan Power Cable 31049506 line cord + 31039655 3pin2pin converter 1 Luxshare 1.0m C5 Japan Power Cable 31049519 line cord + 31039655 3pin2pin converter 1 Grandsun Black Single-end 1.0m 3wire CCC Power Cable(R) 31032953 1 Luxshare 1.0M C5 CCC Power Cable 31045147 1 longwell Black Single-end 1.0m ASTA Power Cable 31035396 1 Volex 1.
21 TV-Tuner card Remote Controller 16 14 Bluetooth module Camera Mouse Keyboard Longwell Black Single-end 1.0m Korea C5Power Cable® 31039106 1 Volex 1.0m C5 Korea Power Cable 31049498 1 Longwell Black Single-end 1.0m SA C5Power Cable® 31039105 1 Volex 1.
66 Liteon SK-8861(TH) S-Silk KB-Silver（WW） 90200540 1 Liteon SK-8861(BE) S-Silk KB-Silver（WW） 90200541 1 Liteon SK-8861(DE) S-Silk KB-Silver（WW） 90200542 1 Liteon SK-8861(GB) S-Silk KB-Silver（WW） 90200543 1 Liteon SK-8861(IL) S-Silk KB-Silver（WW） 90200544 1 Liteon SK-8861(IT) S-Silk KB-Silver（WW） 90200545 1 Liteon SK-8861(IS) S-Silk KB-Silver（WW） 90200546 1 LiteonSK-8861(Nordic)S-SilkKB-Silver（WW） 90200547 1 Liteon SK-8861(NL) S-Silk KB-Silver（WW） 90200548 1 LiteonSK-8861(EN-FR)S
Chapter 9. General information This chapter provides general information that applies to all computer models covered by this manual. Additional Service Information This chapter provides additional information that the service representative might find helpful. Power management Power management reduces the power consumption of certain components of the computer such as the system power supply, processor, hard disk drives, and some monitors.
