Speaker - HP Compaq dc7800 Reference Manual

4. Apply the thermal grease provided in the spares kit to the top of the processor and install the
heatsink atop the processor.
5. Go to step 7.
6. If using a new heatsink, remove the protective covering from the bottom of the heatsink and place
it in position atop the processor.
7. Secure the heatsink to the system board and system board tray with the four captive screws and
attach the heatsink control cable to the system board.
CAUTION:
X) to evenly seat the heatsink on the processor. This is especially important as the pins on the
socket are very fragile and any damage to them may require replacing the system board.
NOTE: After installing a new processor onto the 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 BIOS can
be found on the Web at: http://h18000.www1.hp.com/support/files.

Speaker

1. Prepare the computer for disassembly
2. Remove the access panel
3. Remove the front bezel
4. Rotate the drive cage to its upright position.
5. Disconnect the speaker wire from the system board.
6. Remove the two screws that secure the speaker to the chassis (1).
7. Lift the speaker up and out of the chassis (2).
To install the speaker, reverse the removal procedures.
Heatsink retaining screws should be tightened in diagonally opposite pairs (as in an
(Computer Access Panel on page
(Front Bezel on page
(Preparation for Disassembly on page
113).
114).
107).
Speaker 151