Returning to an earlier system snapshot, See returning to an earlier system snapshot on, Returning to a restore point – Acer Aspire V3-772G User Manual
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26 - Recovery
2. You should see the Contents section of the Acer Resource
Center.
Images for reference only.
3. Click the install icon for the item you want to install, then follow
the onscreen prompts to complete the installation. Repeat this
step for each item you want to reinstall.
Returning to an earlier system snapshot
Microsoft System Restore periodically takes a 'snapshot' of your
system settings and saves them as restore points. In most cases of
hard-to-resolve software problems, you can return to one of these
restore points to get your system running again.
Windows automatically creates an additional restore point each day,
and also each time you install software or device drivers.
Returning to a restore point
1. From Start, type ’Control Panel’ and then click Control Panel in the
list of apps.
2. Click System and Security > Action Center, then click Recovery
at the bottom of the window.
3. Click Open System Restore, then Next.
Note
For more information about using Microsoft System Restore, from Start, type
’Help’ and then click Help and Support in the list of apps. Type ’Windows
system restore’ in the Search Help box, then press Enter.