System Board
1.
Prepare the computer for disassembly (
Preparation for Disassembly on page 26
2.
Remove the access panel (
3.
Remove the front bezel (
).
4.
Lay the computer down on its side for greater stability.
5.
Disconnect the power and data cables from the back of all installed drives.
6.
Disconnect all cables from the system board.
7.
Remove the heatsink from the system board (
8.
Remove the eight screws that secure the system board to the chassis.
9.
Slide the system board toward the front of the chassis, and then angle the front of the board up to
remove it.
NOTE:
The system board in the computer may look slightly different from the one shown here.
To install the system board, reverse the removal procedure.
NOTE:
When reinstalling the system board, apply steady pressure, pushing the system board toward
the rear of the chassis while installing the retaining screws. After installing a new system board, always
update the system ROM to ensure that the latest version of the BIOS is being used on the computer.
The latest system ROM BIOS can be found on the Web at:
http:///\h18000.www1.hp.com/support/
54
Chapter 6 Removal and Replacement Procedures Microtower (MT) Chassis