Lenovo C355/C455 All-In-One Computer Hardware Maintenance Manual
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... front control board 50 Replacing the power switch board 51 Replacing the motherboard 52 Replacing the LED panel 54 Chapter 9. FRU lists-C455 67 Chapter 11. FRU lists-C355 57 Chapter 10. General information . . . 77 Additional Service Information 77 © Copyright Lenovo 2013 iii General information . . . . . 9 Specifications 9 Chapter 4. Using the Setup Utility. . . 13...
... front control board 50 Replacing the power switch board 51 Replacing the motherboard 52 Replacing the LED panel 54 Chapter 9. FRU lists-C455 67 Chapter 11. FRU lists-C355 57 Chapter 10. General information . . . 77 Additional Service Information 77 © Copyright Lenovo 2013 iii General information . . . . . 9 Specifications 9 Chapter 4. Using the Setup Utility. . . 13...
Lenovo C355/C455 All-In-One Computer Hardware Maintenance Manual
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The BIOS then ignores the missing keyboard during POST. Remove or disconnect the following : • Checks some basic motherboard operations • Checks that the memory is working correctly • Starts video operations • Verifies that the boot drive is ... boot device. External Cache d. Repeat steps 1 through 3 until you have been removed and the problem continues, replace the system board. 20 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual This series of tests to check that the system is properly connected to re-test the system. 4. Make ...
The BIOS then ignores the missing keyboard during POST. Remove or disconnect the following : • Checks some basic motherboard operations • Checks that the memory is working correctly • Starts video operations • Verifies that the boot drive is ... boot device. External Cache d. Repeat steps 1 through 3 until you have been removed and the problem continues, replace the system board. 20 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual This series of tests to check that the system is properly connected to re-test the system. 4. Make ...
Lenovo C355/C455 All-In-One Computer Hardware Maintenance Manual
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LED panel 12. Computer stand 24 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual Rear I /O module bracket 9. Front bezel 13. EMI cover 20. Optical disk drive 3. System fan 7. Speakers 8. Memory module 14. Motherboard 19. Foot cover 21. Wi-Fi card 15. Heat-sink 6. Converter board 17. B-CAS card reader 18. TV-Tuner card...
LED panel 12. Computer stand 24 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual Rear I /O module bracket 9. Front bezel 13. EMI cover 20. Optical disk drive 3. System fan 7. Speakers 8. Memory module 14. Motherboard 19. Foot cover 21. Wi-Fi card 15. Heat-sink 6. Converter board 17. B-CAS card reader 18. TV-Tuner card...
Lenovo C355/C455 All-In-One Computer Hardware Maintenance Manual
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...power connector 9. Converter connector 12 13 14 15 16 17 10. Camera connector 2. Wi-Fi card connector 15. Identifying parts on the front of the motherboard. 1 2 3 4 5 18 6 7 8 9 10 11 1. The following illustration shows the location of devices that are factory-installed or that ...you can install later. It provides basic computing functions and supports a variety of connectors and components on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in connector 11. System fan connector 4. Rear I/O module...
...power connector 9. Converter connector 12 13 14 15 16 17 10. Camera connector 2. Wi-Fi card connector 15. Identifying parts on the front of the motherboard. 1 2 3 4 5 18 6 7 8 9 10 11 1. The following illustration shows the location of devices that are factory-installed or that ...you can install later. It provides basic computing functions and supports a variety of connectors and components on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in connector 11. System fan connector 4. Rear I/O module...
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... the new rear I /O module to the bracket 1 , loose the rear I /O module with the two screws. Connect the power cable to the motherboard and the TV antenna cable(s) to "Removing the middle cover". Refer to the TV tuner card. Remove the two screws that secure the rear I .../O module: a. Reattach the EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. 42 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual Remove the optical drive. Step 9. Refer to "Replacing the optical drive". Secure the rear I/O module to "...
... the new rear I /O module to the bracket 1 , loose the rear I /O module with the two screws. Connect the power cable to the motherboard and the TV antenna cable(s) to "Removing the middle cover". Refer to the TV tuner card. Remove the two screws that secure the rear I .../O module: a. Reattach the EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. 42 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual Remove the optical drive. Step 9. Refer to "Replacing the optical drive". Secure the rear I/O module to "...
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...Refer to "Removing the foot cover". Refer to "Removing the middle cover". Step 9. Connect the new speaker cables to the connector on the motherboard. To replace the speaker system: Step 1. Step 2. Step 4. Step 7. Refer to "Removing the stand holder". Remove the four screws that ... Step 11. Disconnect all cables attached to "Removing the EMI cover". Step 6. Remove the stand holder. Remove the middle cover. Lenovo recommends that secure the speaker system to the chassis, then lift up the speaker system to remove it with locating the various connectors...
...Refer to "Removing the foot cover". Refer to "Removing the middle cover". Step 9. Connect the new speaker cables to the connector on the motherboard. To replace the speaker system: Step 1. Step 2. Step 4. Step 7. Refer to "Removing the stand holder". Remove the four screws that ... Step 11. Disconnect all cables attached to "Removing the EMI cover". Step 6. Remove the stand holder. Remove the middle cover. Lenovo recommends that secure the speaker system to the chassis, then lift up the speaker system to remove it with locating the various connectors...
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.... Connect the system fan power cable to the connector on a soft flat surface for help with three screws. Lenovo recommends that secure the system fan to the chassis. Disconnect all attached devices. Step 4. Refer to "Removing the...to 5 minutes to let it . Lift up the system fan to remove it cool down on the motherboard. Unplug all power cords from the motherboard. Step 3. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, ..., optical drive, stand holder, foot cover and stand base. 44 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual
.... Connect the system fan power cable to the connector on a soft flat surface for help with three screws. Lenovo recommends that secure the system fan to the chassis. Disconnect all attached devices. Step 4. Refer to "Removing the...to 5 minutes to let it . Lift up the system fan to remove it cool down on the motherboard. Unplug all power cords from the motherboard. Step 3. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, ..., optical drive, stand holder, foot cover and stand base. 44 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual
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... the computer and wait 3 to 5 minutes to let it cool down on a soft flat surface for help with mounting holes on the motherboard, then place it into position. Refer to wipe the thermal grease off the computer and all attached devices. Step 7. Attention: Place the ...replace the heat-sink: Step 1. Disconnect all power cords from scratches or other cables that secure the heat-sink to the motherboard and chassis. Remove any other damage. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from electrical outlets. Step 10...
... the computer and wait 3 to 5 minutes to let it cool down on a soft flat surface for help with mounting holes on the motherboard, then place it into position. Refer to wipe the thermal grease off the computer and all attached devices. Step 7. Attention: Place the ...replace the heat-sink: Step 1. Disconnect all power cords from scratches or other cables that secure the heat-sink to the motherboard and chassis. Remove any other damage. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from electrical outlets. Step 10...
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... down the operating system, and turn off the computer and wait 3 to 5 minutes to protect the computer screen from the card port on the motherboard. To replace the WLAN card: Step 1. c. Reattach the EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. ...Replacing the WLAN card Note: Turn off the computer and all power cords from electrical outlets. 48 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual To install the new TV-Tuner card: a. Unplug all attached devices. Insert the notched end of the...
... down the operating system, and turn off the computer and wait 3 to 5 minutes to protect the computer screen from the card port on the motherboard. To replace the WLAN card: Step 1. c. Reattach the EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. ...Replacing the WLAN card Note: Turn off the computer and all power cords from electrical outlets. 48 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual To install the new TV-Tuner card: a. Unplug all attached devices. Insert the notched end of the...
Lenovo C355/C455 All-In-One Computer Hardware Maintenance Manual
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... into the card port on a soft flat surface for this procedure. Step 2. Connect the antenna cables to place the computer face-down on the motherboard. Reattach the EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. Note: It may be helpful to the new... from the drives, shut down before removing the cover. Remove any media (disks, CDs, DVDs, or memory cards) from electrical outlets. 50 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual Remove the screw that you use a blanket, towel, or other damage. Secure new the WLAN card to protect...
... into the card port on a soft flat surface for this procedure. Step 2. Connect the antenna cables to place the computer face-down on the motherboard. Reattach the EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. Note: It may be helpful to the new... from the drives, shut down before removing the cover. Remove any media (disks, CDs, DVDs, or memory cards) from electrical outlets. 50 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual Remove the screw that you use a blanket, towel, or other damage. Secure new the WLAN card to protect...
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...Step 7. Refer to the computer. Step 10. Step 12. Line up the power switch board to the computer. Step 1. Remove any other damage. 52 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual Refer to "Removing the stand holder". Step 5. Remove the optical drive. Remove the stand holder. Refer to "Left and... Step 6. Remove the middle cover. Remove the EMI cover. Step 13. c. Connect the power cable to let it into position. Step 14. Replacing the motherboard Note: Turn off the computer and all power cords from the drives, shut down before removing the cover...
...Step 7. Refer to the computer. Step 10. Step 12. Line up the power switch board to the computer. Step 1. Remove any other damage. 52 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual Refer to "Removing the stand holder". Step 5. Remove the optical drive. Remove the stand holder. Refer to "Left and... Step 6. Remove the middle cover. Remove the EMI cover. Step 13. c. Connect the power cable to let it into position. Step 14. Replacing the motherboard Note: Turn off the computer and all power cords from the drives, shut down before removing the cover...
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...with locating the various connectors. Refer to "Removing the stand base". Remove the WLAN card. Unplug all power cords from connectors on the motherboard: • Power switch board cable • Speaker system cable • Front control board cable • Converter cable • Camera ...cables that are connected to the computer. Step 4. Remove the EMI cover. Step 15. Refer to "Removing the foot cover". To replace the motherboard: Step 1. Step 2. Disconnect all attached devices. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, DVDs,...
...with locating the various connectors. Refer to "Removing the stand base". Remove the WLAN card. Unplug all power cords from connectors on the motherboard: • Power switch board cable • Speaker system cable • Front control board cable • Converter cable • Camera ...cables that are connected to the computer. Step 4. Remove the EMI cover. Step 15. Refer to "Removing the foot cover". To replace the motherboard: Step 1. Step 2. Disconnect all attached devices. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, DVDs,...
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...Note: It may be helpful to the computer. Lenovo recommends that you use a blanket, towel, or other cables that secure the motherboard to the chassis and lift the motherboard up the holes on a soft flat surface ... minutes to protect the computer screen from electrical outlets. Remove the stand base. Install the following parts to the new motherboard: • WLAN card • TV-Tuner card • CPU • Heat-sink • Rear I /O)...Use the screws to secure the new motherboard to "Removing the stand base". 54 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual
...Note: It may be helpful to the computer. Lenovo recommends that you use a blanket, towel, or other cables that secure the motherboard to the chassis and lift the motherboard up the holes on a soft flat surface ... minutes to protect the computer screen from electrical outlets. Remove the stand base. Install the following parts to the new motherboard: • WLAN card • TV-Tuner card • CPU • Heat-sink • Rear I /O)...Use the screws to secure the new motherboard to "Removing the stand base". 54 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual
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... panel: a. Remove the foot cover. Refer to "Removing the stand holder". Remove the EMI cover. Refer to separate the LED panel from connectors on the motherboard: • WLAN antenna cables • Power switch board • Front control board cable • Camera cable • LED panel data cable Step 16. Step 13...
... panel: a. Remove the foot cover. Refer to "Removing the stand holder". Remove the EMI cover. Refer to separate the LED panel from connectors on the motherboard: • WLAN antenna cables • Power switch board • Front control board cable • Camera cable • LED panel data cable Step 16. Step 13...
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Reattach the heat-sink, system fan, rear I/O module, speaker system, EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. 56 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual e. d. Secure the chassis to the connectors on the motherboard. f. Line up the chassis and new LED panel with the nine screws. Connect all the cables to the front bezel with the front bezel, and then place it into position. Step 20.
Reattach the heat-sink, system fan, rear I/O module, speaker system, EMI cover, middle cover, optical drive, stand holder, foot cover and stand base. 56 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual e. d. Secure the chassis to the connectors on the motherboard. f. Line up the chassis and new LED panel with the nine screws. Connect all the cables to the front bezel with the front bezel, and then place it into position. Step 20.
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18 Motherboard C355 W8S UMA CPU_E2-3000 W/USB3.0 MB C355 W8S GPU_1G CPU_A6-5200 W/USB3.0 MB C355 W8S GPU_1G CPU_A4-5000 W/USB3.0 MB C355 W8S UMA CPU_A4-... 17 B-CAS card reader B540 B-Cas Board C340 POWER_LED Board W/IR C340 POWER_LED Board W/O IR C340 Function Board 16 Converter board C355 Converter Mechanical 68 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual 90003799 N 90003800 N 90003801 N 90003802 N 90003807 N 90003808 N 90003813 N 90003814 N 90004010 N 90004011 N 90004012 N 90004013 N 90004014 N 90004015 N 90004016 N 90004017 N 90004018 N 90004019...
18 Motherboard C355 W8S UMA CPU_E2-3000 W/USB3.0 MB C355 W8S GPU_1G CPU_A6-5200 W/USB3.0 MB C355 W8S GPU_1G CPU_A4-5000 W/USB3.0 MB C355 W8S UMA CPU_A4-... 17 B-CAS card reader B540 B-Cas Board C340 POWER_LED Board W/IR C340 POWER_LED Board W/O IR C340 Function Board 16 Converter board C355 Converter Mechanical 68 Lenovo C355/C455 All-In-One ComputerHardware Maintenance Manual 90003799 N 90003800 N 90003801 N 90003802 N 90003807 N 90003808 N 90003813 N 90003814 N 90004010 N 90004011 N 90004012 N 90004013 N 90004014 N 90004015 N 90004016 N 90004017 N 90004018 N 90004019...