Dell Optiplex SX280 Battery Replacement

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Cell Battery located beneath the hard drive.

  • Author: Tom
  • Time required: 10 minutes
  • Difficulty: Moderate

Replace the Dead Battery on the Motherboard

Image #1

Edit 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.

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Edit Step 2  ¶ 

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

  • Turn this knob 90 deg clockwise.

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Edit Step 3  ¶ 

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

  • Lift panel case off computer.

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Edit Step 4 Hard Drive  ¶ 

  • Unplug the blue cable that connects the hard drive to the motherboard.

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Edit Step 5  ¶ 

  • Unplug the power supply, distinguished by its red and yellow wires (yellow wire obscured from view).

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Edit Step 6  ¶ 

  • Squeeze the release tabs on either side of the hard drive.

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Edit Step 7  ¶ 

  • Slide the Hard Drive out while squeezing the tabs.

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Edit Step 8 Battery  ¶ 

  • Under the hard drive, there is a circular, silver battery connected to the motherboard.

  • Use a spudger to gently pry the battery from the motherboard.

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Edit Step 9  ¶ 

  • Lift the battery out of the motherboard.

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Edit Step 10  ¶ 

  • Upon replacement, simply push the battery into the motherboard.

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

For more information, check out the Dell Optiplex SX280 device page.

Required Tools


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