Dell Optiplex SX280 Upper Fan Replacement

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• 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.
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• Lay the computer on its side; you will see a blue knob.
• Turn this knob 90 deg clockwise.
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• Slide the panel case forward about 1/2 inch while knob is turned.
• Lift panel case off computer.
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crwdns2931653:04crwdne2931653:0 Upper Fan
• Remove the large blue cover from the computer. There are no screws or tabs holding it in place.
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• Remove the power supply that connects the upper fan to the motherboard. The power supply has black, red, green and yellow wires.
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• Remove the rubber grommets from the base of the fan. A screwdriver or spudger may be useful.
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• Pull the upper fan out of the computer.
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Cal Poly, Team 22-4, Maness Fall 2010 crwdns2935289:0Cal Poly, Team 22-4, Maness Fall 2010crwdne2935289:0

CPSU-MANESS-F10S22G4

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