Booting with the USB
- Insert the USB Thumb Drive into a USB slot on your computer.
- Turn On/Restart the computer and immediately start tapping the Boot Media Key (If it continues to boot into the operating system – turn off/restart the computer and try again.):
> Boot Media Key: On different computer brands, there will be a different key for triggering the boot menu: Usually it's "F1," F2," F10," "Del" or "Esc.", here is the list of common brands and the corresponding boot menu keys:
>> ACER: Esc, F9, F12
>> ASUS: Esc, F8
>> COMPAQ: Esc, F9
>> DELL: F12
>> EMACHINES: F12
>> GATEWAY: F10 or ESC, then F10 (To get into BIOS: ESC > Del)
>> HP: Esc, F9
>> IBM LENOVO: F12 (or Fn+F12), F10, F8
>> INTEL: F10
>> NEC: F5
>> PACKARD BELL: F8
>> SAMSUNG: Esc, F12
>> SONY: F10, F11
>> TOSHIBA: F12
- Once the boot menu comes up, select the USB option and press Enter.
Typical boot menu will look something like this.
* Immediately if it shows: “Press any key to boot from USB” during which you have several seconds to press any key to continue - please observe the computer screen if it happens, if it continues to boot into operating system - restart the computer and try again.
* If it will simply not boot with some sort of an unknown/weird error - it could be a one time glitch, turn off the computer and try again.
If USB boot device is still missing from the Boot Menu - check to see if USB Booting is turned off completely and turn it on.
If you are getting "Verification failed: (0x1A) Security Violation":
- Press OK, Press any key to perform MOK management > Enroll key from disk > YUMI > ENROLL_THIS_KEY_IN_MOKMANAGER.cer > Continue > Yes > Reboot and try again.
- If still not booting - try turning off "Secure Boot" in BIOS, restart the computer and try booting with the USB again.
Once booted with the USB - you should see a menu where you can navigate with Arrow Keys/Enter to select and boot with the desired Operating System or Utility: