Dell Inspiron 15z (1570, Mid 2009) - Manual (Page 54)

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Restoring Your Operating System
Dell Factory Image Restore
WARNING: Using Dell Factory Image
Restore permanently deletes all data on
the hard drive and removes any programs
or drivers installed after you received your
computer. If possible, back up the data
before using this option. Use Dell Factory
Image Restore only if System Restore did
not resolve your operating system problem.
NOTE: Dell Factory Image Restore may
not be available in certain countries or on
certain computers.
Use Dell Factory Image Restore only as
the last method to restore your operating
system. This option restores your hard drive
to the operating state it was in when you
purchased the computer. Any programs or files
added since you received your computer—
including data files—are permanently
deleted from the hard drive. Data files include
documents, spreadsheets, e-mail messages,
digital photos, music files, and so on. If possible,
back up all data before using Dell Factory Image
Restore.
Starting Dell Factory Image Restore
Turn on the computer. When the Dell logo 1.
appears, press several times to access
the Advanced Boot Options window.
NOTE: If you wait too long and the
operating system logo appears, continue to
wait until you see the Microsoft ® Windows ®
desktop; then, shut down your computer
and try again.
Select 2. Repair Your Computer.
The 3. System Recovery Options window
appears.