Can My System Boot From A Usb Drive?

Discussion in 'Hardware' started by PhilOfPerth, Nov 27, 2019.

  1. PhilOfPerth

    PhilOfPerth Private E-2

    I have a Windows 10 system computer that came with no CD drive. Can it be booted from a backup on a USB drive? I think Windows doesn't "see" USB drives until booted.
     
  2. Mister Krinkle

    Mister Krinkle Private First Class

    When your computer starts up, the BIOS/UEFI performs a POST (Power On Self Test). It detects the hardware in your computer, performs a quick check to see if everything looks okay, and then transfers control to the boot drive to load whatever operating system is installed. The POST is able to detect USB drives all by itself. Windows has nothing to do with it, since it isn't running yet.

    You can't boot the operating system inside a backup copy (even if the backup is a system image). The backup is saved as data, and the USB drive isn't configured as a bootable device.
     
  3. TimW

    TimW MajorGeeks Administrator - Jedi Malware Expert Staff Member

    You can install your system from a USB drive.......if you don't have one yet installed.
     
  4. PhilOfPerth

    PhilOfPerth Private E-2

    Thanks both.
    But how/can I create a Windows install file (or whatever it's called) so I can re-install Windows from a USB stick?
     
  5. Mister Krinkle

    Mister Krinkle Private First Class

  6. PhilOfPerth

    PhilOfPerth Private E-2

    That sounds hopeful! My computer is working at the moment, after a big scare! So with that tool, can I create a USB stick that will re-install Windows if it has a meltdown?
     
  7. Eldon

    Eldon Major Geek Extraordinaire

    Correct.
     
  8. PhilOfPerth

    PhilOfPerth Private E-2

    Great; What a relief!
    Thanks to all of you. It's very comforting to know a novice like me can get expert help when I need it.
    Have a great day.
     

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