Compaq Pro 4300 Maintenance & Service Guide Pro 4300 All-in-One Business P - Page 84

System Board,

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System Board The system board is located on the right side of the computer (viewed from the rear) under the heat sink and system board covers. It is secured with right Torx screws. Figure 6-62 System board location To remove the system board: 1. Prepare the computer for disassembly (see Preparing to Disassemble the Computer on page 33). 2. Remove the center access panel (see Hinge Cover Panel on page 34). 3. Remove the memory access panel (see Memory Access Panel on page 36). 4. Remove the memory modules (see Memory on page 45). 5. Remove the drive access panel (see Drive Access Panel on page 38). 6. Remove the stand (see Stand on page 61). 7. Remove the optical drive (see Optical Drive on page 40). 8. Remove the heat sink cover (see Heat Sink Cover on page 52). 9. Remove the thermal module/heat sink (see Heat Sink (Thermal Module) on page 54). 10. Remove the top panel (see Top Panel on page 58). 11. Remove the rear cover (see Rear Cover on page 62). 12. Remove the system board cover (see System Board Shield on page 69). 13. Remove the WLAN module (see WLAN Module on page 71). 14. Remove the processor (see Processor on page 56). 15. Disconnect all cables from the system board, noting their location for reinstallation. System Board 77

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System Board
The system board is located on the right side of the computer (viewed from the rear) under the heat
sink and system board covers. It is secured with right Torx screws.
Figure 6-62
System board location
To remove the system board:
1.
Prepare the computer for disassembly (see
Preparing to Disassemble the Computer
on page
33
).
2.
Remove the center access panel (see
Hinge Cover Panel
on page
34
).
3.
Remove the memory access panel (see
Memory Access Panel
on page
36
).
4.
Remove the memory modules (see
Memory
on page
45
).
5.
Remove the drive access panel (see
Drive Access Panel
on page
38
).
6.
Remove the stand (see
Stand
on page
61
).
7.
Remove the optical drive (see
Optical Drive
on page
40
).
8.
Remove the heat sink cover (see
Heat Sink Cover
on page
52
).
9.
Remove the thermal module/heat sink (see
Heat Sink (Thermal Module)
on page
54
).
10.
Remove the top panel (see
Top Panel
on page
58
).
11.
Remove the rear cover (see
Rear Cover
on page
62
).
12.
Remove the system board cover (see
System Board Shield
on page
69
).
13.
Remove the WLAN module (see
WLAN Module
on page
71
).
14.
Remove the processor (see
Processor
on page
56
).
15.
Disconnect all cables from the system board, noting their location for reinstallation.
System Board
77