Chapter 2. Replacing hardware
Attention:
Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Quick Reference that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Quick Reference or HMM, go to http://www.ibm.com/pc/support.
Note: Use only the parts provided by IBM.
Removing the computer cover
Important
Turn off the computer and wait 3 to 5 minutes to let the computer cool before removing 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. See “Locating controls and connectors on the front of the computer” on page 2 and “Locating connectors on the rear of the computer” on page 3.
4.Remove any locking devices such as a padlock or Kensington lock that secure the computer cover.
5.Press the
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