Dell Inspiron M411R (Mid 2011) - Manual (Page 64)

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Restoring Your Operating System
Undoing the Last System Restore
NOTE: Before you undo the last
system restore, save and close all open
files and exit any open programs. Do
not alter, open, or delete any files or
programs until the system restoration is
complete.
1. Click Start .
2. In the search box, type System Restore
and press <Enter>.
3. Click Undo my last restoration and click
Next.
Dell DataSafe Local
Backup
CAUTION: Using Dell DataSafe Local
Backup to restore your operating
system permanently removes any
programs or drivers installed after you
received your computer. Create backup
media of applications you need to
install on your computer before using
Dell DataSafe Local Backup. Use Dell
DataSafe Local Backup only if System
Restore did not resolve your operating
system problem.
CAUTION: Although Dell Datasafe
Local Backup is designed to preserve
the data files on your computer, it is
recommended that you backup your
data files before using Dell DataSafe
Local Backup.