Removing The Computer Cover - Lenovo 30A0 Hardware Maintenance Manual

required connector. Then, use the instructions that come with the option to help you make the connection
and install any software or device drivers that are required for the option.

Removing the computer cover

Attention:
Do not open your computer or attempt any repair before reading and understanding "Important safety information"
on page 1.
This section provides instructions on how to remove the computer cover.
CAUTION:
Before you open the computer cover, turn off the computer and wait several minutes until the
computer is cool.
To remove the computer cover, do the following:
1. Remove any media from the drives and turn off all attached devices and the computer.
2. Disconnect all power cords from electrical outlets.
3. Disconnect the power cords, Input/Output cables, and any other cables that are connected to the
computer. See "Locating connectors, controls, and indicators on the front of your computer" on page
69 and "Locating connectors on the rear of your computer" on page 70.
4. Remove any locking device that secures the computer cover, such as a padlock or a Kensington-style
cable lock.
5. Remove any screws that secure the computer cover.
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