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I have installed Ubuntu 12.04 LTS using a pen drive on Alienware m17xr4. But the problem is it doesn't shows up at start up but when I tried to install it once again using the pen drive it revealed the previous previous installation.

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1 Answer 1

Boot using a live usb/cd of ubuntu. Use boot-repair to fix the problem.

After booting with live usb/cd ,Run following command in terminal,

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

Use Recomended Repair

More information can be found here- > https://help.ubuntu.com/community/Boot-Repair

After running this program, it will show one url. Keep it with you. If the above method fails post that url here.

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