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I have installed ubuntu 12.10 64-bit alonside windows8 64 bit. After installation I am unable to boot windows 8. I have tried the dvd repair for windows and it says couldn't fix the issue. I have used UEFI installation for both ubuntu and windows 8. I am using a dell vostro 2520 model laptop. Help please

sudo add-apt : it says the command not found. :(

user148043
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1 Answers1

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A very simple answer would be to boot into the live CD/USB and run Boot Repair

Boot Repair PPA

  • Boot into Live CD/USB.

  • Type the following in terminal(one line at a time) 

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

  • Run Boot Repair

    Type in terminal
    sudo boot-repair 

    <p><strong>or</strong>   </p>

<p>type in Unity dash<br>
<code>Boot Repair</code>  </p>
  • Click the Recommended repair button
    enter image description here

After the process is finished close everything.
This should solve your problem.

I have already answered a similar question here

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Ashu
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