System Board - HP dx2420 - Microtower PC Service & Reference Manual

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To install the power supply, reverse the removal procedure.

System Board

Prepare the computer for disassembly

Remove the computer access panel

Remove all expansion boards

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

Remove the heat sink

Remove the remaining six screws that secure the system board to the chassis.

Figure 6-43

Slide the system board toward the front of the computer to disengage the I/O panel from the rear

of the chassis.

Lift the system board 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.

Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis

(Expansion Cards on page

(Heat sink on page

Removing the system board

(Preparation for Disassembly on page

(Computer Access Panel on page

40).

60).

28).

32).

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Compaq dx2420