HP Elite 8300 Series Convertible Minitower Maintenance And Service Manual page 244

5. Lift the heat sink from the system board.
Figure 9-26
CAUTION:
an X) to even the downward forces on the processor to avoid damage that could require
replacing the system board.
6. Lay the heat sink on its top in a safe area to prevent the thermal grease from contaminating the
work surface.
If reusing the existing heat sink go to step 1.
If using a new heat sink, go to step 3.
1. If reusing the existing heat sink, clean bottom of the heat sink and apply the thermal grease
provided in the spares kit to the top of the processor.
2. Position the heat sink atop the processor.
3. If using a new heat sink, remove the protective covering from the bottom of the heat sink and
place it in position atop the processor.
4. Secure the heat sink to the system board and system board tray with the 4 captive screws.
CAUTION:
an X) to evenly seat the heat sink 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.
232 Chapter 9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis
Removing the heat sink
Heat sink retaining screws should be removed in diagonally opposite pairs (as in
Heat sink retaining screws should be tightened in diagonally opposite pairs (as in