Immediately and repeatedly tap the key as the Acer logo appears to enter the BIOS setup . Use the arrow keys to navigate to the Main tab.
To use these keys, you must press them repeatedly and quickly as soon as the Acer logo appears on the screen after powering on the device. Primary Key Alternate Key(s) F12 BIOS Setup Utility F2 Recovery Management Alt + F10 How to Enable the F12 Boot Menu acer laptop boot key