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I have recently installed ubuntu with a USB on my laptop which already have windows 7

I cannot boot into windows 7 . when ever i try to boot into windows 7 . i get a blank screen for a sec or two and get back boot menu.

i have tried to

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

this is the link for bootinfo script.

I don't have a CD/DVD drive I am a novice .please assist me :(

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Hey Guys.!! I found the solution.. for detailed explanation ..refer this link… – Jay B Dec 9 '13 at 22:19
up vote 0 down vote accepted

I found the solution.. for detailed explanation ..refer this link

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