ASUS notebook pre-installed Win8 change Win7 How to set in BIOS

asus notebook pre-installed Win8 change Win7 How to set in BIOS

Press F2 key to boot into BIOS

Switch to Security tab, find secure BOOT control, change enabled to disabled, this step is to turn off Microsoft's secure boot, this function will lead to the inability to identify U disk Boot system installation

Switch to the Boot tab, the launch CSM to Enabled (if it is gray can not be selected, first press F10 to save the exit to enter again can be selected), the role of this option is to change the UEFI BIOS to the traditional BIOS

Finally press F10 to save and exit and reboot. On the power-on when the ESC key to call up the startup items, you can select the U disk or CD-ROM boot.