Dell Studio XPS 435T / 9000 (Early 2009) - Manual (Page 46)

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Restoring Your Operating System
Operating System
Reinstallation
Before you Begin
If you are considering reinstalling the
Microsoft ® Windows ® operating system to
correct a problem with a newly installed driver,
first try using Windows Device Driver Rollback.
If Device Driver Rollback does not resolve the
problem, then use System Restore to return your
operating system to the operating state it was
in before you installed the new device driver.
See “System Restore” on page 40.
CAUTION: Before performing the
installation, back up all data files on your
primary hard drive. For conventional hard
drive configurations, the primary hard
drive is the first drive detected by the
computer.
To reinstall Windows, you need the following
items:
Dell • Operating System disc
Dell • Drivers and Utilities disc
NOTE: The Dell Drivers and Utilities disc
contains drivers that were installed during
the assembly of the computer. Use the
Dell Drivers and Utilities disc to load any
required drivers. Depending on the region
from which you ordered your computer, or
whether you requested the disc, the Dell
Drivers and Utilities disc and Operating
System disc may not ship with your
computer.