3–14 Maintenance and Service Guide
Software Updates and Recovery
Reinstalling the Operating System
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CAUTION: To protect your personal data and the software installed
on the computer, back up your data before reinstalling the operating
system. See the Windows online Help utility to learn more about
backing up your
files. Select Start > Help and Support. Then type
“backup” in the Search box.
✎
During the reinstallation, you may be prompted for your
Product Key. Your Product Key is provided on the Microsoft
Certificate of Authenticity label on the bottom of the computer.
If other recovery efforts do not successfully repair the operating
system, you can reinstall it.
To reinstall the operating system:
✎
If your computer does not have an optical drive, you may need
to connect to an optional external MultiBay.
1. Connect the computer to external power through the
AC
adapter and turn on the computer.
2. Immediately insert the Operating System disc into the
computer.
3. Press and hold the power button for at least 5 seconds to turn
off the computer.
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