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screw
memory module cover
10Insert the battery into the battery bay, or connect the AC adapter to your computer and an electrical outlet.
11Turn on the computer.
As the computer boots, it detects the additional memory and automatically updates the system configuration information.
Replacing the Hard Drive
NOTICE: To prevent data loss, turn off your computer (see page 42) before removing the hard drive. Do not remove the hard drive while the computer is on, in standby mode, or in hibernate mode.
NOTICE: Hard drives are extremely fragile; even a slight bump can damage the drive.
CAUTION: If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive.
CAUTION: Before working inside your computer, read the safety instructions on page 9.