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Cpu Heatsink; Removing The Cpu Heatsink - HP Z400 Maintenance And Service Manual

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CPU heatsink

This section describes how to remove and install a CPU heatsink.

Removing the CPU heatsink

To remove a heatsink:
1.
Power down the workstation (see
2.
Disconnect power from the workstation (see
3.
Remove the side access panel (see
4.
If your system has an airflow guide, remove it (see
5.
Slowly and evenly loosen one pair of diagonally opposite screws (1) from the CPU until the screw
shanks disengage from the system board, and then loosen the remaining pair (2), as shown
below.
CAUTION:
screws a little at a time, ensuring that the CPU heatsink remains level.
Figure 5-79
154
Chapter 5 Replacing components
Predisassembly procedures on page
Removing the side access panel on page
Do not fully loosen one screw, and then move on to the next. Instead, loosen all
Loosening heatsink screws in sequence
Predisassembly procedures on page
Removing the airflow guide on page
75).
75).
78).
110).
ENWW

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