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Possible Duplicate:
WIndows 7 cannot boot - bootrec reports FS not found or corrupt

I have 3 disks: On disk 1 I have Windows 7 installed. Disk 2 is for storage. Disk 3 was unused until I installed Ubuntu on it a couple of minutes ago.

After Ubuntu installation was complete I rebooted and tried to load Windows again. All I got was an error message saying:

reboot and select proper boot device

Windows refuses to boot for some reason. I am able to mount the Windows disk inside Ubuntu and explore its contents. All looks fine. I've tried boot override via BIOS without luck. No matter what I try I can't seem to get the Windows disk to boot. Only Ubuntu works...

Any ideas?

Update
Found this: WIndows 7 cannot boot - bootrec reports FS not found or corrupt

And I have the exact same problem. Will probably just give up, format and reinstall :(

Community
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3 Answers3

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Just in case it is of value to you or anyone else that happens along. There is an official page of suggestions from Ubuntu that should be entered into the record, it can be found at
https://help.ubuntu.com/community/WindowsDualBoot
It may or may not answer this specific situation.
Another of interest may be http://ubuntuguide.org/wiki/Ubuntu:All#Dual-Booting_Windows_and_Ubuntu

Dennis
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You need to boot from the drive where Ubuntu is installed. Then you need to open your grub menu by pressing esc within 3 seconds of boot start. They make the menu invisible by default.

From that menu, select to start your Windows OS. That should get you running.

If that doesn't work, you'll need to fix the MBR. You'll need to boot your computer from your install media, select the repair option, and then run the bootsect.exe utility. This website gives you all the screen grabs you'll need to get your Windows 7 MBR working again. http://www.sevenforums.com/tutorials/20864-mbr-restore-windows-7-master-boot-record.html

Explanation below.

When you installed Ubuntu, you installed Ubuntu's boot loader known as grub. If you follow all the defaults when you install, then grub will overwrite your Window's MBR and Windows will no longer boot on its own. You can prevent grub from touching your MBR by telling grub to install itself on the first sector of the Ubuntu drive. You could also disconnect your other drives before installing Ubuntu. A third option is to run Ubuntu virtualized from Windows using something like Virtualbox.

Chris Ting
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I've updated my question with more details.

It seems that the only solution for now is to reinstall Windows.

Tamara Wijsman
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