NOTE: The procedure to uninstall standard and L-type heat sink is similar.
Steps
1. Using a Torx #T20 screwdriver, loosen the captive screws in the order that is mentioned on the heat sink:
a. Partially loosen the captive screws 1 and 2 (approximately 3 turns).
b. Partially loosen the captive screws 3 and 4 (approximately 3 turns).
c. Loosen the captive screws 1 and 2 completely.
d. Loosen the captive screws 3 and 4 completely.
NOTE: The captive screw numbers are marked on the heat sink.
2. Lift the heat sink from the system.
Figure 70. Removing a heat sink
Next steps
1. If you are uninstalling a faulty heat sink, replace the heat sink, else remove the processor.
Removing the processor
Prerequisites
WARNING:
The heat sink may be hot to touch for some time after the system has been powered off. Allow the heat sink
to cool before removing it.
1. Follow the safety guidelines listed in the Safety instructions on page 46.
2. Follow the procedure listed in the Before working inside your system on page 47.
3. Remove the heat sink.
CAUTION:
You may find the CMOS battery loss or CMOS checksum error is displayed during the first instance of
powering on the system after the processor or system board replacement which is expected. To fix, go to set up option
to configure the system settings.
Steps
1. Using a Torx #T20 screwdriver, loosen the screws to release the force plate. The sequence to loosen the screws is 3, 2, and 1.
Installing and removing system components
95
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