Always remove all connecting cables before opening your case. Opening the Case Shut off the system if it is on. Remove all cables connecting to the computer. Locate the screws holding the case in place on the frame. Remove the screws attaching the case to the frame.
Many new systems have tight cases.
Removing the casing might require some prying. Use a flat-head screwdriver to push the case open against the front panel. Seek assistance if you cannot open the case alone. Locating the Expansion Slots Place the open computer frame on its side with the motherboard facing up. This means you can see the motherboard from a bird s eye view.