Important: Read "Safety information" and "Handling electrostatic discharge-sensitive devices" in the Hardware Maintenance Manual. Turn off your computer and wait 3 to 5 minutes to let the computer cool before opening the computer cover.

	Cover removal movie
	Cover installation movie

To open the computer cover:

1. Remove any media (diskettes, CDs, or tapes) from the drives, shut down your operating system, and turn off all attached devices.
2. Unplug all power cords from electrical outlets.
3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer.
4. Remove any locking devices such as a cable lock that secure the cover.
5. Press the buttons on the sides of the computer and pivot the cover upward to open the computer as shown.