HP J Class Owner's Manual page 173

4.
Pull the CPU Assembly straight out and place on a flat surface
with an antistatic mat.
5.
Locate the CPU shroud as shown in Figure A–26.
Figure A–26. CPU Shroud Location
6.
Disconnect the fan cable from the system board. Refer to Figure
A–27.
CAUTION: Be sure to reconnect the fan cable when you
have finished installing the processor. Failure to
reconnect the fan could cause the unit to over-
head and damage the processor(s).
7.
Remove the six screws attaching the CPU shroud to the system
board and pull the shroud straight up. Set the shroud aside.
CPU shroud
B-45