Removing The Covers - Lenovo ThinkCentre E50 Hardware Maintenance Manual

Removing the covers

Some FRU replacements require the removal of only the left-side cover. Others
require removal of both the left-side and the right-side covers.
1. Shut down the operating system, remove any media (DVDs, CDs, or tapes)
2. Unplug all power cords from electrical outlets.
3. Disconnect all cables attached to the computer. This includes power cords,
4. Remove the two thumb screws at the rear of the left-side cover and slide the
5. If necessary, remove the right-side cover in the same manner.
Important
Read Chapter 2, "Safety information," on page 3 and "Handling electrostatic
discharge-sensitive devices" on page 6 before opening the cover.
from the drives, and turn off all attached devices.
input/output (I/O) cables, and any other cables that are connected to the
computer.
cover to the rear to remove.
Chapter 8. Replacing FRUs (Tower computers)
85