In some cases, you may need to remove the battery (for notebooks only) and run the machine directly from the mains. Now need to do is press “Enter” and the Recovery program should load on It indicates that you have tapped the ALT + F10 correctly, and all you “Edit Boot options for Windows Setup” OR “Edit Boot options for Acer eRecovery” If you see this, unfortunately, you have missed the window of opportunity, and you need to restart, and try again. “Edit Boot options for Microsoft Windows Vista” Once you have tapped both the ALT and F10 repeatedly, you may see a screen showing: Opportunity is very small, so this may take a few attempts Repeatedly) when the computer is first switched on. Other way before Vista starts up is to tap ALT + F10 (at the same time SOURCE: acer aspire 6920 back to factory settings
