Dell Inpsiron 560s (Late 2009) - Manual (Page 50)

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Restoring Your Operating System
You can 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. 1.
When the DELL 2. ™ logo appears, press <F8>
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 3. Repair Your Computer.
The System Recovery Options window
appears.
Select a keyboard layout and click
4. Next.