Dell Optiplex SX280 Battery Replacement

ID: 3802

Description: Replace the Dead Battery on the Motherboard

Steps:

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

3. Lay the computer on its side; you will see a blue knob.
4. Turn this knob 90 deg clockwise.

5. Slide the panel case forward about 1/2 inch while knob is turned.
6. Lift panel case off computer.

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

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

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

10. Slide the Hard Drive out while squeezing the tabs.

11. Under the hard drive, there is a circular, silver battery connected to the motherboard.
12. Use a spudger to gently pry the battery from the motherboard.

13. Lift the battery out of the motherboard.

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