Ubuntu – Can’t boot Windows 7 after installing Ubuntu 12.04 LTS

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( first sorry for my english. ) Hi please help I can't find a solution I'm searching the web 11 hours and I can't find a solution. 🙁

I can't boot Windows 7 after installing Ubuntu 12.04 LTS alongside with windows. But after restarting the pc and when I hit enter on grub 2 for Windows 7, I get a black screen for 2 seconds and then its return back to grub. BUT when I select Windows 7 restore Vaio care it will boot, but I don't have an option top open Cmd to fix something. Please help me out. Here is my Bootinfo from Boot-repair

http://paste.ubuntu.com/975358/

Best Answer

From your booted Ubuntu system, use the following command in a terminal:

sudo update-grub

This should detect Windows 7 and add it or fix it.

If nothing happens, boot from the Windows 7 CD and go to recovery console:

bootrec / fixmbr

Then

bootrec / fixboot

As you are in the recovery mode, use Windows 7 fix boot errors tool. (Forgot the exact name of the tool) and reboot.

Now you would have Windows but not Ubuntu.

Try reinstalling Ubuntu - put MBR partition into sda (as opposed to sdb like before) or try sudo update-grub from the live CD.

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