Dell Optiplex SX280 Battery Replacement
This guide has been found to be exceptionally cool by the iFixit staff.
Cell Battery located beneath the hard drive.
- Author: Tom
- Time estimate: 10 minutes
- Difficulty: Moderate
Replace the Dead Battery on the Motherboard
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Lay the computer on its side; you will see a blue knob.
Turn this knob 90 deg clockwise.
Slide the panel case forward about 1/2 inch while knob is turned.
Lift panel case off computer.
Unplug the power supply, distinguished by its red and yellow wires (yellow wire obscured from view).
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.