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I've installed Ubuntu. Windows doesn't boot anymore and doesn't appear in the GRUB menu. I've tried to install the Windows bootloader via recovery console from a Windows DVD as it's said here.

Bootrec.exe /fixboot
Bootrec.exe /fixmbr

Nothing happened, and GRUB keeps loading Ubuntu. Automatic repair from the Windows DVD failed (didn't give me a readable message, though). I've tried to edit 40_custom script, but couldn't save any changes.

Is there a way to get my Windows back?

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ilylomte7
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2 Answers2

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The best solution is to use BootRepair, a utility which you can download either onto your install media, or directly onto your Ubuntu installation, if you can boot into it.

A detailed description of how to use it can be found here, I really could not do not any better than this guide. For most cases, the default set of actions, as shown in the guide, are absolutely sufficient.

MariusMatutiae
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you can try this (in ubuntu):

  • Open a terminal
  • sudo mount /dev/<windows partition> you can find out what is the windows partition with lsblk based in his size.
  • sudo os-prober
  • sudo update-grub

I didn't try it myself, but should work. the answer is based on this post

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Agomezl
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