Acer Aspire M5 Series User Manual page 49

Customized Restore with Acer Recovery Management
1. Click Customized Restore (Retain User Data).
2. The Refresh your PC window opens.
3. Click Next, then Refresh.
4. The recovery process begins by restarting your computer, then
continues by copying files to your hard drive. This process takes about
30 minutes.
Recovery - 49