HP Pro 4300 Maintenance And Service Manual page 56

8. Remove the black Torx screw from the top of the heat sink (2).
Figure 6-33
9. Lift the heat sink from the computer.
Figure 6-34
CAUTION:
grease on the surface of the processor or the heat sink.
To replace the heat sink, reverse the removal procedures.
48 Chapter 6 Removal and Replacement Procedures All-in One (AIO) Chassis
Loosening and removing the heat sink screws
Removing the heat sink
To reduce a degradation in thermal performance, be sure not to touch the thermal