Dell OptiPlex 390 (Mid 2011) - Manual (Page 31)

10
Heat Sink And Processor
Removing The Heat Sink and Processor
NOTE: Your system board may not have a heat sink on the chipset, and may look
different from the images described here.
1. Follow the procedures in Before Working Inside Your Computer .
2. Remove the cover .
3. Disconnect the heat-sink assembly cable from the system board.
4. Loosen the captive screws in the order: 1, 2, 3 and 4.
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