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System board

NOTE: All system board spare part kits include replacement thermal material.

NOTE: System board appearance may vary.

1. Prepare the computer for disassembly (Preparation for disassembly on page 23).

2. Remove the access panel (Access panel on page 24).

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 27)

●

Expansion cards (Expansion cards on page 31)

●

Fan sink (Fan sink on page 56).

4. Disconnect all cables connected to the system board, noting their location for reinstallation.

5. Remove the eight Torx T15 screws (1) that secure the system board to the chassis.

6. Slide the system board toward the front of the computer to disengage the I/O panel (2), and then lift the

system board out of the computer (3).

When reinstalling the system board, rst 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.

HP ProDesk 400 G3 system board callouts

NOTE: System board may not include heat sink.

System board 63

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