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38 Installing System Components
Opening and Closing the System
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. See your Product Information Guide for complete information about safety
precautions, working inside the computer, and protecting against electrostatic discharge.
CAUTION: Whenever you need to lift the system, get others to assist you. To avoid injury, do not attempt to lift the
system by yourself.
CAUTION: The memory modules can become extremely hot during normal operation. Allow the modules
sufficient time to cool before handling.
Opening the System
To upgrade or troubleshoot the system, remove the system cover to gain access to internal components.
1
Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
2
Rotate the latch release lock on the latch in a counter clockwise direction 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 carefully lift the cover away from the system.
Figure 3-3. Removing the Cover
1 latch 2 latch release lock 3 J hooks
3
2
1