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A few weeks ago I multi-booted my computer with Ubuntu, Windows 7 and Windows 10. It has been working fine until now. Here is the issue:

  1. I turn on my computer and the GRUB 2 OS select screen appears. There are the following options (I have excluded Ubuntu advanced options etc.):
    • Ubuntu
    • Windows recovery options
    • Windows 10
  2. I choose Windows 10 and Windows 10's OS select screen comes up. It has these options:
    • Windows 10 Pro
    • Windows 7 Home Premium
    • Ubuntu
  3. When I choose any option the computer restarts and I am back on the GRUB menu. The only way to boot Windows is to choose Windows recovery options from GRUB menu. When I do that the Windows version (7 or 10) that I chose on step 2 (that is, if I chose a windows version on step 2) boots. How can I make it so that the option I choose on step 2 boots straight away when I choose it Windows menu?

EDIT: My computer has a BIOS, not a UEFI

EDIT 2: This issue happened after I did an auto fix using the Windows installation media. Before that I couldn't boot Windows at all.

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  • Have you compared the entries for recovery and non-recovery entries in Grub? Unless configured otherwise using e (IIRC) you should be able to see and edit the currently selected boot entry. As it stands this question has too little information to answer beyond pure guessing.
    – 0xC0000022L
    Commented Jan 10, 2021 at 0:26
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    @ArcaEgeCengiz edit your question and add the part of grub config file relating to those entries
    – Madhubala
    Commented Jan 10, 2021 at 2:11
  • also check this out : askubuntu.com/a/758632
    – Madhubala
    Commented Jan 10, 2021 at 2:11
  • What do you mean @0xC0000022L?
    – Arca Ege Cengiz
    Commented Jan 11, 2021 at 20:19
  • @ArcaEgeCengiz I don't know how to be clearer. But your comment suggests that the Windows "fix" is causal to the issue, so I suggest you boot your Ubuntu media, mount the root, /boot, /dev, /proc etc in order to chroot into it and then install GRUB from within Ubuntu ...
    – 0xC0000022L
    Commented Jan 11, 2021 at 20:44

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