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I created a boot able flash drive using this procedure:

http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-windows

I then used this to upgrade Ubuntu to the current version.

After the upgrade, I can not get the windows boot loader to come up no matter what hard drive I try to boot from and the Ubuntu boot loader only shows Ubuntu where as the previous version would also give Windows as an option. What do I need to do to fix this?

Hizqeel
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user536393
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3 Answers3

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  1. restart
  2. press the boot menu key(for me it was f10)
  3. select windows hdd
  4. until now I am using these steps
  5. backup your data after going to the windows os
  6. search for more answers after backing it up/else do steps 1 to 4 whenever you want windows
  7. Enjoy
paperBuntu
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Boot from a Ubuntu flashdrive again and select try ubuntu option. Then install Boot Repair on the live session and run it with recommended options. I believe it will fix the problem otherwise post the pastebin link that boot-repair provides here.

Kevin Selva Prasanna
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Try opening a terminal and running sudo update-grub. This command should automatically search for and add all OSes found to the GRUB boot menu.

I'd recommend trying this before trying boot-repair.

Hitechcomputergeek
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  • That worked. Windows 10 loader now shows up in the GRUB boot menu and I can now boot windows again. Thanks so much! I really appreciate it! – user536393 Apr 27 '16 at 21:15
  • @user536393 Just checking, can you boot Windows 7 too? I've had some problems with this before. – Hitechcomputergeek Apr 27 '16 at 21:17
  • Yes, but Windows 7 doesn't show up in GRUB. Only windows 10 shows up in GRUB but then when I click on that it loads the windows boot loader and from their I have the choice of Windows 7 or Windows 10. – user536393 Apr 30 '16 at 00:23
  • @user536393 Oh. I wouldn't try messing with that. Ages ago I asked a question about the same thing and in the end it never got answered. I ended up wasting a bunch of time messing with it and never got it to work before I ended up just deleting Windows 10 because I never used it. Also, remember to click the check mark to accept an answer if it worked for you. – Hitechcomputergeek Apr 30 '16 at 02:18