HP 1155 Maintenance & Service Guide HP 1155 All-in-One Business PC - Page 80

System Board

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System Board Description System board with AMD E1-1500 processor, USB 3.0 (includes heat sink, gasket, processor, replacement thermal material) For use in models without Windows 8 For use in models with Windows Standard For use in models with Windows Professional Spare part number 703642-001 728286-001 728286-501 728286-601 The system board is secured with nine screws. To remove the system board: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 37). 2. Remove the rear cover (see Rear Cover on page 38). 3. Remove the system board cover (see System Board Cover on page 69). 4. Remove the memory module (see Memory on page 45). 5. Remove the WLAN module (see WLAN Module on page 47). 6. Disconnect all cables from the system board, noting their location for reinstallation. 7. Remove the nine screws (circled in image) that secure the system board to the computer. 8. Lift the system board straight up and out of the computer. To install the system board, reverse the removal procedures. System Board 73

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System Board
Description
Spare part number
System board with AMD E1-1500 processor, USB 3.0
(includes heat sink, gasket, processor,
replacement thermal material)
703642-001
For use in models without Windows 8
728286-001
For use in models with Windows Standard
728286-501
For use in models with Windows Professional
728286-601
The system board is secured with nine screws.
To remove the system board:
1.
Prepare the computer for disassembly (see
Preparing to Disassemble the Computer
on page
37
).
2.
Remove the rear cover (see
Rear Cover
on page
38
).
3.
Remove the system board cover (see
System Board Cover
on page
69
).
4.
Remove the memory module (see
Memory
on page
45
).
5.
Remove the WLAN module (see
WLAN Module
on page
47
).
6.
Disconnect all cables from the system board, noting their location for reinstallation.
7.
Remove the nine screws (circled in image) that secure the system board to the computer.
8.
Lift the system board straight up and out of the computer.
To install the system board, reverse the removal procedures.
System Board
73