IBM 8419 Personal Computer User Manual


 
Opening the cover
Attention: Read “Safety information” on page 153 and “Handling electrostatic
discharge-sensitive devices” on page 156 before opening the cover.
To open the cover:
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.
4. Remove the floor stand, if attached.
5. If a cover lock is installed, unlock the cover.
6. Press inward on the two buttons and rotate the top cover upward as illustrated.
Chapter 6. Replacing FRUs 25