Posted 03 January 2018 - 03:14 PM
You cannot boot from an external HDD. If you're using USB it must be a thumb/jump/flash drive.
That drive must be created as bootable media as well.
Edited by britechguy, 03 January 2018 - 03:16 PM.
Brian AKA Bri the Tech Guy (website in my user profile) - Windows 10 Home, 64-Bit, Version 1809, Build 17763
Travel is fatal to prejudice, bigotry, and narrow-mindedness, and many of our people need it sorely on these accounts. Broad, wholesome, charitable views of men and things cannot be acquired by vegetating in one little corner of the earth all one's lifetime.
~ Mark Twain