Chapter 2. Replacing hardware
Attention
Do not open your computer 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.lenovo.com/support.
Note: Use only the parts provided by Lenovo.
Removing the cover
Important
Turn off your computer and wait 3 to 5 minutes to let the computer cool before removing the computer cover.
To remove 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 the optional floor stand, if attached.
5.Remove any locking devices such as a padlock that secure the cover.
© Lenovo 2005. Portions © IBM Corp. 2005. | 7 |
