Dell EMC PowerEdge C6420 Manual page 83

NOTE: This procedure is only for replacing a heat sink or a processor. This procedure should not be followed while replacing a
system board.
1 Follow the safety guidelines listed in
2 Follow the procedure listed in
3 Remove the sled from the enclosure.
4 Remove the air shroud.
5 Remove the fabric cable from the processor.
6 Remove the processor and heat sink module.
Steps
1 Place the heat sink with the processor contact side facing up.
2 Insert the flat blade screwdriver into the release slot and twist (do not pry) the screwdriver to break the seal created by the thermal
paste.
3 Push the retaining clips on the processor bracket to unlock the bracket from the heat sink.
4 Lift the bracket and the processor away from the heat sink, and place the processor side down on the processor tray.
5 Flex the outer edges of the bracket close to the fabric connector to release the bracket from the processor.
Figure 29. Loosening the processor bracket
Safety instructions.
Before working inside your system.
Installing and removing system components 83