Hardware Maintenance Manual
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... 5 Grounding requirements 6 Safety notices 6 Chapter 3. Locating connectors, controls and components 21 Chapter 8. Additional Service Information 49 © Copyright Lenovo 2012 iii Replacing hardware . . . . 27 General information 27 Replacing the keyboard and mouse 28 Replacing the optical drive 28 Replacing the...35 Replacing the speaker system 36 Replacing the front indicator board 37 Replacing the power switch board 38 Replacing the motherboard 39 Replacing the computer stand 41 Replacing the camera 41 Replacing the converter board 42 Replacing the LED panel 43...
... 5 Grounding requirements 6 Safety notices 6 Chapter 3. Locating connectors, controls and components 21 Chapter 8. Additional Service Information 49 © Copyright Lenovo 2012 iii Replacing hardware . . . . 27 General information 27 Replacing the keyboard and mouse 28 Replacing the optical drive 28 Replacing the...35 Replacing the speaker system 36 Replacing the front indicator board 37 Replacing the power switch board 38 Replacing the motherboard 39 Replacing the computer stand 41 Replacing the camera 41 Replacing the converter board 42 Replacing the LED panel 43...
Hardware Maintenance Manual
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... BIOS then ignores the missing keyboard during POST. Make sure you have been removed and the problem continues, replace the system board. 20 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Hard disk drive f. External Cache d. POST error codes Each time you turn the computer on...Make sure the boot drive is properly connected to re-test the system. 4. Remove or disconnect the following : • Checks some basic motherboard operations • Checks that the memory is working POST Error Message Keyboard error Reboot and Select proper Boot device or Insert Boot Media in ...
... BIOS then ignores the missing keyboard during POST. Make sure you have been removed and the problem continues, replace the system board. 20 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Hard disk drive f. External Cache d. POST error codes Each time you turn the computer on...Make sure the boot drive is properly connected to re-test the system. 4. Remove or disconnect the following : • Checks some basic motherboard operations • Checks that the memory is working POST Error Message Keyboard error Reboot and Select proper Boot device or Insert Boot Media in ...
Hardware Maintenance Manual
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Optical drive 5. Camera 10. Power switch board 7. Converter board 12. Hardware components The following illustration shows the components that make up your computer. 9 1 10 2 11 3 12 4 13 5 6 7 14 8 15 1. System fan 14. Speaker system 8. Converter board bracket 11. EMI shielding 4. Rear cover 9. Heat-sink module 13. Computer stand 24 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Front indicator board 6. Motherboard 3. Hard disk drive 15. Front bezel 2.
Optical drive 5. Camera 10. Power switch board 7. Converter board 12. Hardware components The following illustration shows the components that make up your computer. 9 1 10 2 11 3 12 4 13 5 6 7 14 8 15 1. System fan 14. Speaker system 8. Converter board bracket 11. EMI shielding 4. Rear cover 9. Heat-sink module 13. Computer stand 24 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Front indicator board 6. Motherboard 3. Hard disk drive 15. Front bezel 2.
Hardware Maintenance Manual
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... switch cable connector 8. Locating connectors, controls and components 25 Speaker cable connector Chapter 7. The following illustration shows the location of connectors and components on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in your computer. CPU 3. Identifying parts on the front of the...
... switch cable connector 8. Locating connectors, controls and components 25 Speaker cable connector Chapter 7. The following illustration shows the location of connectors and components on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in your computer. CPU 3. Identifying parts on the front of the...
Hardware Maintenance Manual
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Step 5. Step 7. Line up the heat-sink to the motherboard. d. Remove any other components. b. Secure the new heat-sink to the motherboard with locating the various connectors. Use the adhesive tape to "Left and right view" and "Rear view" for help with the.... Step 3. Disconnect all cables attached to "Removing the rear cover". 34 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Step 2. Step 8. Reattach the rear cover and secure it with the mounting holes on the motherboard. Remove the 4 screws that are connected to let it . To replace ...
Step 5. Step 7. Line up the heat-sink to the motherboard. d. Remove any other components. b. Secure the new heat-sink to the motherboard with locating the various connectors. Use the adhesive tape to "Left and right view" and "Rear view" for help with the.... Step 3. Disconnect all cables attached to "Removing the rear cover". 34 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Step 2. Step 8. Reattach the rear cover and secure it with the mounting holes on the motherboard. Remove the 4 screws that are connected to let it . To replace ...
Hardware Maintenance Manual
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... it . 2 1 2 Step 8. Unplug all cables attached to remove it into position. Disconnect the power cable from the connector on the motherboard. Step 5. Connect the new power cable to the connector on the motherboard. 1 Remove the 2 screws that are connected to "Removing the rear cover". Step 2. This includes power cords, input/output (I/O) cables...
... it . 2 1 2 Step 8. Unplug all cables attached to remove it into position. Disconnect the power cable from the connector on the motherboard. Step 5. Connect the new power cable to the connector on the motherboard. 1 Remove the 2 screws that are connected to "Removing the rear cover". Step 2. This includes power cords, input/output (I/O) cables...
Hardware Maintenance Manual
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...To replace the speaker system: Step 1. Refer to the computer. Step 5. Remove any other cables that secures the Wi-Fi card to the motherboard. 2 Pull the Wi-Fi card upward to the new Wi-Fi card. Disconnect the antenna and data cables from electrical outlets. Step 2. Step.... 3 2 1 3 Step 8. Step 6. Step 9. To install the new Wi-Fi card: a. b. Unplug all cables attached to "Removing the rear cover". 36 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Remove the rear cover. Connect the antenna cables to remove it with locating the various connectors.
...To replace the speaker system: Step 1. Refer to the computer. Step 5. Remove any other cables that secures the Wi-Fi card to the motherboard. 2 Pull the Wi-Fi card upward to the new Wi-Fi card. Disconnect the antenna and data cables from electrical outlets. Step 2. Step.... 3 2 1 3 Step 8. Step 6. Step 9. To install the new Wi-Fi card: a. b. Unplug all cables attached to "Removing the rear cover". 36 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Remove the rear cover. Connect the antenna cables to remove it with locating the various connectors.
Hardware Maintenance Manual
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...includes power cords, input/output (I/O) cables, and any media (disks, CDs, DVDs, or memory cards) from the connector on the motherboard. Remove the rear cover. Disconnect the speaker cable from the drives, shut down before removing the rear cover. Replacing the front indicator ...board Note: Turn off the computer and wait 3 to 5 minutes to the connector on motherboard. 1 Step 6. Step 3. Chapter 8. Step 5. To replace the front indicator board: Step 1. Step 2. Detach the speaker system from electrical ...
...includes power cords, input/output (I/O) cables, and any media (disks, CDs, DVDs, or memory cards) from the connector on the motherboard. Remove the rear cover. Disconnect the speaker cable from the drives, shut down before removing the rear cover. Replacing the front indicator ...board Note: Turn off the computer and wait 3 to 5 minutes to the connector on motherboard. 1 Step 6. Step 3. Chapter 8. Step 5. To replace the front indicator board: Step 1. Step 2. Detach the speaker system from electrical ...
Hardware Maintenance Manual
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... help with the screws. Unplug all cables attached to remove it with the mounting holes on the motherboard. Line up the front indicator board to the computer. Step 9. Remove the rear cover. Connect the data cable to "Removing the rear cover". 38 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Step 6.
... help with the screws. Unplug all cables attached to remove it with the mounting holes on the motherboard. Line up the front indicator board to the computer. Step 9. Remove the rear cover. Connect the data cable to "Removing the rear cover". 38 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Step 6.
Hardware Maintenance Manual
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...Wi-Fi card. Step 5. To install the power switch board: a. Line up the power switch board to the computer. To replace the motherboard: Step 1. Unplug all attached devices. Disconnect all memory modules. Remove the screw that are connected to remove it cool down the operating ...computer. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, DVDs, or memory cards) from the connector on the motherboard. 1 Step 6. Refer to "Removing the rear cover". Refer to "Replacing the Wi-Fi card". Chapter 8. Remove all cables attached to the ...
...Wi-Fi card. Step 5. To install the power switch board: a. Line up the power switch board to the computer. To replace the motherboard: Step 1. Unplug all attached devices. Disconnect all memory modules. Remove the screw that are connected to remove it cool down the operating ...computer. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, DVDs, or memory cards) from the connector on the motherboard. 1 Step 6. Refer to "Removing the rear cover". Refer to "Replacing the Wi-Fi card". Chapter 8. Remove all cables attached to the ...
Hardware Maintenance Manual
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... the rear cover and lift it up the holes on the new motherboard with the mounting holes on the new motherboard and secure it with the 7 screws. Line up to remove it with the screws. 40 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Reattach the rear cover and secure it . 1 1 ...Step 10. d. Insert the notched end of the Wi-Fi card into the card port on the rear cover and secure the new motherboard with the screw. c. To install ...
... the rear cover and lift it up the holes on the new motherboard with the mounting holes on the new motherboard and secure it with the 7 screws. Line up to remove it with the screws. 40 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual Reattach the rear cover and secure it . 1 1 ...Step 10. d. Insert the notched end of the Wi-Fi card into the card port on the rear cover and secure the new motherboard with the screw. c. To install ...
Hardware Maintenance Manual
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...are not to be replaced by the customer. 1 2 3 4 5 6 7 8 Item# Description 1 Front bezel C240 FRONT BEZEL(BLACKE) C240 FRONT BEZEL(WHITE) 2 Motherboard C240 NOK CPU_847 MB C240 NOK CPU_807 MB C240 W8P CPU_847 MB C240 W8P CPU_807 MB C240 W8S CPU_847 MB C240 W8S CPU_807 MB C245 NOK UMA CPU_E2-1800 1.7G MB C245 NOK UMA CPU_E1-1200...-450 1.65G MB C245 W8P UMA CPU_E2-1800 1.7G MB C245 W8P UMA CPU_E1-1200 1.4G MB C245 W8P UMA CPU_E-450 1.65G MB 46 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual 9 10 11 12 13 14 15 Service Part CRU Number (FRU) ID 90202143 N 90202144 N 90001861 N ...
...are not to be replaced by the customer. 1 2 3 4 5 6 7 8 Item# Description 1 Front bezel C240 FRONT BEZEL(BLACKE) C240 FRONT BEZEL(WHITE) 2 Motherboard C240 NOK CPU_847 MB C240 NOK CPU_807 MB C240 W8P CPU_847 MB C240 W8P CPU_807 MB C240 W8S CPU_847 MB C240 W8S CPU_807 MB C245 NOK UMA CPU_E2-1800 1.7G MB C245 NOK UMA CPU_E1-1200...-450 1.65G MB C245 W8P UMA CPU_E2-1800 1.7G MB C245 W8P UMA CPU_E1-1200 1.4G MB C245 W8P UMA CPU_E-450 1.65G MB 46 Lenovo C240/245 All-In-One PC Hardware Maintenance Manual 9 10 11 12 13 14 15 Service Part CRU Number (FRU) ID 90202143 N 90202144 N 90001861 N ...