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Dell Optiplex SX280 Lower Fan Replacement

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This guide is designed to help replace a broken fan from the tower. When working with anything electrical make sure to disconnect it from the power source.

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  1. Dell Optiplex SX280 Lower Fan Replacement, Panel Cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • 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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  2. Dell Optiplex SX280 Lower Fan Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Optiplex SX280 Lower Fan Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Lay the computer on its side; you will see a blue knob.

    • Turn this knob 90 deg clockwise.

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  3. Dell Optiplex SX280 Lower Fan Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Optiplex SX280 Lower Fan Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Slide the panel case forward about 1/2 inch while knob is turned.

    • Lift panel case off computer.

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  5. Dell Optiplex SX280 Lower Fan Replacement, Lower Fan: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Optiplex SX280 Lower Fan Replacement, Lower Fan: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the large blue cover from the computer. There are no screws or tabs holding it in place.

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  6. Dell Optiplex SX280 Lower Fan Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the power supply by pressing the release tab. It is distinguished by the black, red, green, and yellow wires.

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  7. Dell Optiplex SX280 Lower Fan Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Optiplex SX280 Lower Fan Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the rubber grommets from the base of the fan. The iFixit Opening tool may be useful in this step.

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  8. Dell Optiplex SX280 Lower Fan Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Dell Optiplex SX280 Lower Fan Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Press on the blue release tab and remove the fan.

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To reassemble your device, follow these instructions in reverse order.

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Tom

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CPSU-MANESS-F10S22G4

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