HP D3K72UT D3K72UT#ABA manual System Board

6.Slide the power supply toward the front of the computer (2), then lift the power supply out of the computer (3).

Figure 7-29Removing the power supply

To install the power supply, reverse the removal procedure.

System Board

Description	Spare part number
System board for use in 3400 models with Intel processors (includes thermal material)	660281-001
System board for use in 3410 models with Intel processors in Brazil (includes thermal material)	665223-001
System board for use in 3405 models with AMD processors (includes thermal material)	660155-001
System board for use in 3500 models with Intel processors (includes thermal material)	687577-001
System board for use in 3505 models with AMD processors (includes thermal material)	687578-001

When replacing the system board, be sure that the following components are removed from the defective system board and installed on the replacement system board:

●Memory modules

●Processor

●Expansion cards

To remove the system board:

1.Prepare the computer for disassembly (Preparation for Disassembly on page 43).

2.Remove the access panel (Access Panel on page 44).

3.Remove the front bezel (Front Bezel on page 45).

System Board 77