Specifications

System board
Description Spare part number
System board 658978-001
The system board is located on the right side of the computer (when viewed from the rear). It is
secured with seven screws.
Figure 7-71 System board location
To remove the system board:
1. Prepare the computer for disassembly (see
Preparing to disassemble the computer on page 34).
2. Remove the stand (see
Stand on page 35).
3. Remove the right and left rear panels (see
Rear panels on page 47).
4. Remove the left cap (see
Left cap on page 61).
5. Remove the right cap (see
Right cap on page 67).
6. Remove the rear logo cover (see
Rear logo cover on page 72).
7. Remove the rear main frame (see
Main rear frame on page 75).
8. Remove the system board shield (see
System board shield on page 77).
9. Remove the fan (see
Fan on page 83).
10. Remove the fan sink (see
Fan sink (Thermal module) on page 85).
11. Remove the WLAN module and/or TV tuner module (see
WLAN module and TV tuner module
on page 93).
12. Remove the graphics board (see
Graphics board on page 91).
96 Chapter 7 Removal and Replacement Procedures