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I have installed Ubuntu 12.04 on my computer with Windows 8.1 pre-installed. But when selecting Windows to boot I get following error: error: unknown command 'drivemap' error: invalid EFI filepath

I ran boot-repair twice. The output can be found here: http://paste.ubuntu.com/9648776

Hope you can help me

Afroza Begum
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  • This actually did not work for me. The answer in the below link is what worked for me. http://askubuntu.com/questions/279275/dual-boot-problem-windows-8-ubuntu-12-04 – scv Feb 09 '15 at 00:31

1 Answers1

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To fix this, you can try Simply start Ubuntu

  1. Go to Terminal

  2. Use the below mentioned commands,

    sudo add-apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update

    It will ask for the password,enter your password.

    sudo apt-get install -y boot-repair
boot-repair &

    enter your password again.

  3. Once the installation gets completed, the Boot Repair utility will launch and do a quick scan. Automatically will show you the EFI detected message. Hit OK

  4. After this, Click the Recommended repair (repairs most frequent problems) option. Once done with that.

  5. Restart your computer

David Foerster
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