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I have a dual-boot system which was working well with Windows 7 and Ubuntu 12.04 LTS. But, later, Ubuntu refused to shut down and I had no other option than using the reset button. Now, when choosing Windows, as the OS, I just get a purple screen. However, if I choose Ubuntu, the computer boots OK.

CentaurusA
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user2591334
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  • Can you boot into Windows 7 from BIOS menu? If so try this. Boot into Ubuntu, open Terminal and run `sudo update-grub`. If you're lucky it might fix the issue, else may need to look at your grub.cfg file. – Paul Benson Oct 06 '18 at 23:44
  • Ubuntu 12.04? You do know we are at 18.04 now eh. Maybe an upgrade is the solution. –  Oct 06 '18 at 23:51
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    Possible duplicate of [Unable to boot into Windows after installing Ubuntu, how to fix?](https://askubuntu.com/questions/217904/unable-to-boot-into-windows-after-installing-ubuntu-how-to-fix) – karel Oct 07 '18 at 00:26

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You need a usb drive and download. the boot repair disk. It handles both secured and non secure boot modes.

There are allot of custom ones. so be careful. I would go to sourceforge.net/projects/boot-repair-cd/

I just had same issue with Windows 10. Worked nicely. Good Luck.

Jbizboca
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