Unlike other laptops, Acer laptops integrate a computer management utility called 'Acer eRecovery Management' to create backup of hard drive data, create restore point, reinstall applications & drivers, and reset Acer aspire one laptop to factory setting.
Step 1: Before starting your Acer one laptop, ensure that there is no external storage device attached to it. Now start your laptop.
Step 2: Press 'Alt + F10' when the laptop starts booting, and wait for a moment while Windows loads the reset files.
Step 3: When 'Acer eRecovery Management' window appears, select 'Restore System from factory default' and click 'Next' to continue.
Step 4: Again click 'Next' to reset your Acer laptop. This process will erase all data from your hard disk and reset your Acer one laptop to original factory settings.
Step 5: Click 'OK' in the notification window to begin the the resetting operation. Now wait while your Acer one laptop is reset to factory settings.
Tips: You can also create a backup copy of your laptop data before factory reset. Simply click 'Backup' in 'Acer eRecovery Management' window.