You can also use the + and keys to move devices up or down in the priority list. Select an option and press Enter to change it, either to disable it or specify another boot device. This may be on the Boot tab itself or beneath a Boot Order option. So just try to enable it from Windows system Settings. Locate the boot order screen that lists the boot devices. Windows 10 Advanced Boot Options – System BIOS Boot Keys (The USB flash drive might be listed under 'Removable devices' or. Select your DVD drive or USB flash drive as the first startup device. Boot order settings might also be listed under 'Advanced settings' or something similar.
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Acer Boot Options Keysį2 (BIOS Setup) F12 (Boot Device Options) ALT + F10 (Acer eRecovery) How to Access and Configure BIOS Option on Windows 10? It shows the Sager logo with loading screen, then goes to blank and shuts down, only to immediately restart again and show the logo, before shutting down again on a loop. Remember, it many not works on some models have different keys combinations to others. The system BIOS boot keys allow you to boot your computer when you want to change operating system. Do you know how to boot a Laptop or Desktop PC that are new and has different boot options? Here are the lists of all Laptops and Desktops System BIOS boot keys.