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Installing System Components 143
Heat Sink
Removing a Heat Sink
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized is not covered by
warranty. Read and follow the safety instructions that came with the product.
1
Remove the sled from the enclosure. See "Removing a Sled" on page 133.
2
Remove the cooling shroud. See "Removing the Cooling Shroud" on
page 141.
WARNING: The heat sink may be hot to touch for some time after the system has
been powered down. Allow the heat sink to cool before removing it.
CAUTION: Never remove the heat sink from a processor unless you intend to
remove the processor. The heat sink is necessary to maintain proper thermal
conditions.
3
Using a Phillips screwdriver, loosen one pair of diagonal retention screws
that secure the heat sink to the system board. See screw sequence
indicated on Figure 3-11.
4
Loosen the other pair of retention screws. See Figure 3-11.
Figure 3-11. Heat Sink Screw Loosening Sequence
CPU1
CPU2
1
4
5
8
6
7
2
3