System board
Description
System board for use in models without Windows 8.1 (includes thermal material)
System board for use in models with Windows 8.1 Professional (includes thermal material)
1. Prepare the computer for disassembly (Preparation for disassembly on page 18).
2. Remove the access panel (
Access panel on page 19).
3. Remove the drive cage (
Drive cage on page 26).
4. Remove the optical drive (
Removing a 9.5mm slim optical drive on page 30).
5. When replacing the system board, make sure the following components are removed from the defective
system board and installed on the replacement system board:
●
Expansion cards (Expansion card on page 22)
●
Memory modules (
Memory on page 37)
●
Fan sink (
Fan sink on page 40)
●
Processor (
Processor on page 42)
6. Disconnect all data and power cables from the system board.
7. Remove the five Torx T15 screws that secure the system board to the chassis.
8. Slide the system board toward the front of the chassis to disengage the connectors, and then lift the
system board up and out of the chassis..
To install the system board, reverse the removal procedure.
NOTE: When replacing the system board, you must also change the chassis serial number in the BIOS.
CAUTION: When reconnecting the cables it is important that they be positioned correctly.
System board 51
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