View cover removal video
	View cover installation video

Important

Turn off the computer and wait 3 to 5 minutes to let the computer cool before opening the computer cover.

To open the computer cover:

1. Remove any media (diskettes, CDs, or tapes) from the drives, shut down your operating system, turn off all attached devices and the computer.
2. Unplug all power cords from electrical outlets.
3. Disconnect the cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. See "Locating controls and connectors on the front of your computer" and "Locating connectors on the rear of your computer"".
4. Remove the floor stand, if attached.
5. Remove any locking devices, such as a Kensington lock that secure the computer cover.
6. Press inward on the two buttons and pivot the top cover upward.