Windows 10: Does Windows To Go wipe my GRUB bootloader?

Discus and support Does Windows To Go wipe my GRUB bootloader? in Windows 10 Installation and Upgrade to solve the problem; I'm planning on getting Windows to Go for my (certified) USB drive, but I've heard that during an update or install, Windows 10 usually tries to wipe... Discussion in 'Windows 10 Installation and Upgrade' started by PriyaAravamuthan, Mar 8, 2019.

  1. Does Windows To Go wipe my GRUB bootloader?


    I'm planning on getting Windows to Go for my (certified) USB drive, but I've heard that during an update or install, Windows 10 usually tries to wipe GRUB (I use Manjaro Linux). I'm a bit confused: Does Windows to Go modify GRUB in any way, or is the boot loader on the Pen Drive itself?

    :)
     
    PriyaAravamuthan, Mar 8, 2019
    #1

  2. Make Windows 10 Bootloader Override Windows 7 Bootloader/GRUB


    Now after running into two different grub errors, my PC refuses to boot from anything. First I got the grub error no such partition, so I booted from Ubuntu 17.10 install disk and reinstalled Ubuntu 17.10, removing the previous installation of Ubuntu 17.10. After resinstalling, I booted once, and grub appeared normally, I think I also booted into Windows 10 from grub and ever after that, I can no longer boot period. I get this:

    GNU GRUB version 0.97 (593K lower / 523264K upper memory)
    [ Minimal BASH-like line editing is supported. For the first word, TAB lists possible command completions. Anywhere else TAB lists the possible completions of a device/filename. ]

    I've tried booting from Windows 7 & 10, Ubuntu 17.10, 18.04 & DBAN (hdd wipe) disks with no success. Now what? (trying the grub commands from this link:

    How to recover lost GRUB bootloader in Linux

    didn't work).
     
    Nutty User, Mar 8, 2019
    #2
  3. labrot Win User
    Grub bootloader before windows8

    not the preview, the upgrade later this summer Does Windows To Go wipe my GRUB bootloader? ;)

    i have a live system, i dont want to test, the main question is will MS install proces remove other bootloaders, if the setup is like above?

    or will MS ask what i want (keep the extra grub and juist update if needed the old W8.1 regarding MS stuff and leave the rest untouched).

    dont know all the tech, but i believe back then the w8 installer had some kind of problem due to the

    Windows hibernation and fast restarting settings in combination with 3party bootloaders.

    linux has a simmilar problem w mounting a windows partion, there the linux user needed to remove hyberhiberfil.sys and/or disable fast restart.

    some say that trick would have worked for windows upgrade problems also, but the 10 upgrade installer does not wipe hyber and disables fast restart settings (before installing/rebooting)??
     
    labrot, Mar 8, 2019
    #3
  4. labrot Win User

    Does Windows To Go wipe my GRUB bootloader?

    Grub bootloader before windows8

    will the W10 upgrade work if you have a linux bootloader setup before the windows
    bootloader ?

    had some negative experience before, (8 pro >> 8.1 pro update) that messed up the upgrade then, got stuck at 80% and then told me nice that it "fails-to-install"
    and rolled back to 8.

    so are there any 10 testers (who have the same setup as me and) who can tell me if MS has a better upgrade method this time, last time i spend hours, had 2 fix the grub, because the w8.1
    had deleted it and it kept upgrading a failing system in its own circles, like a crazy dog trailing its own tail.

    so will this upgrade experience in my situation be better this time?

    or do i
    need to remove grub again ?
     
    labrot, Mar 8, 2019
    #4
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Does Windows To Go wipe my GRUB bootloader?

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