Installing System Components 145
3
Orient the heat sink so that the KEY icon on the heat sink is facing the
neighboring heat sink’s KEY icon. See Figure3-12.
4
Using a Phillips screwdriver, tighten the four heat sink retention screws in a
diagonal sequence. See Figure3-11.
5
Replace the cooling shroud. See "Installing the Cooling Shroud" on
page 142.
6
Replace the sled. See "Installing a Sled" on page 134.
Heat Sink Blank

Removing a Heat Sink Blank

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.
3
If you are installing a second processor in a socket that was previously
unoccupied, remove the heat sink blank and socket protector from the
vacant processor socket.
4
Using a Phillips screwdriver, loosen the diagonal retention screws that
secure the heat sink blank to the system board. See Figure3-13.
5
Gently lift the heat sink blank off the processor socket. Save the heat sink
blank for future use. See Figure3-13.