Replacing Dell Optiplex SX280 Heat Sink

Step 1 Panel Cover

• Make sure the computer is turned off, by selecting the start menu and choosing “Shut Down”.
• Ensure all cables, speakers and other devices are unplugged and turned off before opening the computer case.
Step 2



• Lay the computer on its side; you will see a blue knob.
• Turn this knob 90 deg clockwise.
Step 3
• Slide the panel case forward about 1/2 inch while knob is turned.
• Lift panel case off computer.
Step 4 Heat Sink
• Remove the large blue cover from the computer, there are no screws or tabs keeping it in place.
Step 5
• Press down on the release tab above the heat sink.
Step 6
• Pull the heat sink out of the computer while pressing on the release tab.

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Tom

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Cal Poly, Team 22-4, Maness Fall 2010 Member of Cal Poly, Team 22-4, Maness Fall 2010

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