Dell Precision Workstation 370 User's & Service Manual page 79

2. Disconnect the cooling fan power cable from the fan connector on the system board.
3. Disconnect the power cable from the power connector on the system board.
4. Lift up the airflow shroud.
Processor
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the
Product Information Guide.
NOTICE: To prevent static damage to components inside your computer, discharge static electricity from your body
before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface
on the computer.
1. Follow the procedures in
CAUTION: The heat sink can get very hot during normal operation. Be sure that the heat sink has had
sufficient time to cool before you touch it.
2. Remove the heat sink:
a. Remove the retention module clips. Press the tabs toward the center of the clip and lift up.
"Before You Begin."