Prerequisite
Before you start, read Generic Safety and Compliance Notices, and print the following instructions.

Before you remove the chassis, turn off the computer and wait several
minutes until the computer is cool.
For access, do the following:
Turn off the computer and remove all connected devices and
cables.
Disconnect the computer from ac power and all
connected cables.
Unlock any locking device that secures
the chassis.
Removal steps
- Push and open the chassis latches.
- Remove the chassis.
Installation steps
Install the chassis.
Note: Push
the parts into place until you hear a clicking sound.