Turn the Computer Off
Before opening the case, you must turn the computer off.
Shut down youroperating systemas you normally do.
On the back of your machine, locate thepower switchand turn it off.
© Edward Shaw/E+/Getty Images
Some computers don’t have a power switch on the back.
If you don’t find one, skip to the next step.
Here’swhat to do if Windows 11 won’t shut down.
Unplug the Power Cable.© Tim Fisher
This is an important step!
Remove All External Cables and Attachments
Remove all cables and other devices attached to your setup.
This will make it much easier to work and to move it around as needed.
Remove All External Cables and Attachments.© Tim Fisher
Take note where you put them; you’ll need them when you’re done to reassemble the case.
Take care not to remove the screws that are securing the power supply to the case.
Remove the Case Side Panel
The case side panel can now be removed.
Remove the Side Panel Retaining Screws.© Tim Fisher
No matter the mechanism, you should be able to easily jar it loose.
Remove the Case Side Panel.© Tim Fisher
