90 Installing System Components
Opening and Closing the System
WARNING: Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before you begin this
procedure, review the safety instructions that came with the system.
WARNING: Whenever you need to lift the system, get others to assist you. To
avoid injury, do not attempt to lift the system by yourself.

Opening the System

1
Unless you are removing a hot-swap component such as a hard drive or a
power supply, turn off the system and attached peripherals. Disconnect the
system from the electrical outlet and peripherals.
2
Rotate the system feet inward and lay the system on a flat surface.
SeeFigure 3-5.
3
Turn the lock on the cover release latch counterclockwise to the unlocked
position. See Figure3-5.
4
Pull the cover release latch and rotate the latch towards the back of the
system to remove the system cover. See Figure3-5.
5
Grasp the cover on both sides and carefully lift the cover away from the
system. See Figure3-5.
book.book Page 90 Tuesday, June 9, 2009 4:09 PM