Replacing hardware, Removing the cover

Chapter 2. Replacing hardware

Attention

Do not open your computer or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer. To obtain copies of the Safety and Warranty Guide, go to http://www.lenovo.com/support.

Note: Use only the parts provided by Lenovo.

Removing the cover

Important

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

To remove the computer cover, do the following:

1.Shut down your operating system, remove any media (diskettes, CDs, or tapes) from the drives, and turn off all attached devices and the computer.

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.