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Installing System Components 79
Opening and Closing the System
CAUTION: Many repairs may only be done by a certified service technician. You
should only perform troubleshooting and simple repairs as authorized in your
product documentation, or as directed by the online or telephone service and
support team. Damage due to servicing that is not authorized by Dell is not covered
by your warranty. Read and follow the safety instructions that came with the
product.
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 installing a hot-swappable component such as a cooling fan
or power supply, turn off the system and attached peripherals, and
disconnect the system from the electrical outlet and peripherals.
2
Rotate the latch release lock counter-clockwise to the unlocked position.
See Figure 3-3.
3
Lift up on the latch on top of the system and slide the cover back. See
Figure 3-3.
4
Grasp the cover on both sides and lift the cover away from the system.
Closing the System
1
Lift up the latch on the cover.
2
Place the cover onto the chassis and offset the cover slightly back so that it
clears the chassis hooks and lays flush on the system chassis. See
Figure 3-3.
3
Push down the latch to lever the cover into the closed position.
4
Rotate the latch release lock in a clockwise direction to secure the cover.