Acer Aspire Predator G7700 Series User Manual page 120

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b If you have previously backed-up your system.
2 Select "Recover to Default Settings" to restore your system to the default
factory settings. Select "Recover data from last backup" to restore your
system to the last system backup.
3 If you chose the recovery option, you should see the following screen. Click
OK to continue.
7 Frequently asked questions