DELL 580 用户手册

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页码 70
43
Restoring Your Operating System 
System Restore
The Microsoft
®
 Windows
®
 operating systems 
provide a System Restore option which allows 
you to restore your computer to an earlier 
operating state (without affecting data files) if 
changes to the hardware, software, or other 
system settings have left the computer in an 
undesirable operating state. Any changes that 
System Restore makes to your computer are 
completely reversible.
CAUTION: Make regular backups of your 
data files. System Restore does not monitor 
your data files or recover them.
Starting System Restore
Click 
1. 
Start
.
In the 
2. 
Start Search box, type 
System 
Restore and press <Enter>.
NOTE: The User Account Control window 
may appear. If you are an administrator on 
the computer, click Continue; otherwise, 
contact your administrator to continue the 
desired action.
Click 
3. 
Next and follow the instructions on the 
screen.
In the event that System Restore did not resolve 
the issue, you may undo the last system restore.
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.
Click 
1. 
Start
.
In the 
2. 
Start Search box, type 
System 
Restore and press <Enter>.
Click 
3. 
Undo my last restoration and click Next.
Follow the instructions on the remaining 
4. 
screens.