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Using hard drives
CAUTION: To prevent information loss or an unresponsive system:
Save your work and shut down the computer before adding or replacing a memory module or hard
drive.
If you are not sure whether the computer is off, turn the computer on by pressing the power button.
Then shut down the computer through the operating system.
Using the optional security screw
Use the optional security screw to lock the service door to the bottom of the computer. When not in
use the security screw can be stored inside the battery bay.
To use the security screw:
1. Remove the battery.
CAUTION: Removing a battery that is the sole power source for the computer can cause loss
of information. To prevent loss of information, save your work and shut down the computer
through Windows before removing the battery.
2. Remove the security screw from inside the battery bay (1) and insert it (2) to lock the service
door in place.
Using hard drives 57