System board
1.
Prepare the computer for disassembly (
Preparation for disassembly on page 19
).
2.
Remove the access panel (
Access panel on page 20
).
3.
When replacing the system board, make sure the following components are removed from the defective
system board and installed on the replacement system board:
●
Memory modules (
Memory on page 24
)
●
Expansion cards (
Expansion cards on page 27
)
●
Heat sink (
Fan sink on page 44
).
●
Processor (
Processor on page 45
)
4.
Disconnect all cables connected to the system board, noting their location for reinstallation.
5.
Remove the eight Torx T15 screws that secure the system board to the chassis.
6.
Lift the system board up and out of the computer..
When reinstalling the system board, first insert the I/O panel back into the slots in the rear of the chassis, and
then align the board with the chassis screw holes.
NOTE:
When replacing the system board, you must change the chassis serial number in the BIOS.
System board
51
