Lenovo 8991 Laptop User Manual


 
Removing the cover
Important
Read “Important safety information” on page v“Important safety
information” on page v and “Handling static-sensitive devices” on page 16
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 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 any locking devices that secure the computer cover.
5. If the cover is secured by thumbscrews, remove them.
6. Press the cover-release button on the side of the cover and slide the computer
cover to the rear to remove.
20 User Guide