Lenovo 8420 Laptop User Manual


 
Removing the cover
Important:
Read “Important safety information” on page v and “Handling
static-sensitive devices” on page 5 before removing the computer cover.
To remove the computer 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. Press the buttons on the sides of the computer and pivot the rear end of the
cover up toward the front of the computer.
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10 User Guide