Windows 10: why does making a bootable USB have to erase all else first?

Discus and support why does making a bootable USB have to erase all else first? in Windows 10 Backup and Restore to solve the problem; I'll understand it more if I know the why of that. Why can't the necessary files just be added onto the USB stick? Also, after making a bootable USB,... Discussion in 'Windows 10 Backup and Restore' started by Bob1212, Mar 28, 2021.

  1. Bob1212 Win User

    why does making a bootable USB have to erase all else first?


    I'll understand it more if I know the why of that. Why can't the necessary files just be added onto the USB stick?

    Also, after making a bootable USB, there's lots of extra room left over. So can I write other files on that USB, say another copy of an ISO just for the sake of having another copy for surety. Or does adding more files somehow ruin the bootability?

    Thanks.

    :)
     
    Bob1212, Mar 28, 2021
    #1
  2. Agility Win User

    Multi-bootable USB

    Hey guys from TPU, couldn't find any specific thread pertaining to the question asked on title. As mentioned, I'm trying to create a bootable USB, but with many specifics boots available.

    I've been trying to create one with multiple boot device including one that enables me to run Windows 10 directly on the USB Thumb Drive but to no avail.

    The list of bootable images i'm trying to create are

    1. Windows 10 (A full OS running from thumb drive)
    2. Windows 10 ISO (Bootable disk image for fresh install)
    3. MemTest86+

    Have tried YUMI or UUI from the website USB PenDrive Linux but as this is my first time, i don't know how am i screwing up or am doing it right.. Anyone got a rough idea on a step by step guide? Thanks!
     
    Agility, Mar 28, 2021
    #2
  3. Chewy Win User
    Ipod bootable drive?

    I want to know if I can make my ipod a usb bootable drive.. will it mess up my ipod? I need to flash my video card back to normal.. Neros bootable cd gave me an error. I used a step by step guide, but thats another story.
     
    Chewy, Mar 28, 2021
    #3
  4. why does making a bootable USB have to erase all else first?

    bootable windows 10 usb

    how do i make a bootable windows 10 usb step by step
     
    Ryan02531983, Mar 28, 2021
    #4
Thema:

why does making a bootable USB have to erase all else first?

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