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I installed Ubuntu on a second hard drive inside the computer by booting with the CD.

I now want to switch back to my main hard drive but I don't know how. When I unplug the Linux HD it goes into this black grub thingy and I don't know if my Windows got deleted because I didn't touch that HD. I don't have a Windows disk, my computer came with Windows 8. I need help please...

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2 Answers

type in the command line : sudo update-grub

This command will allow grub to search for other OSs installed in your system.

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I did this after I installed ubuntu and GRUB did not show windows boot option, it was showing Ubuntu only. I did it and it worked for me. And BTW I do not think your windows files were deleted. It's just grub is not recognizing that there is another OS in there. –  za3bolla Mar 19 '13 at 6:27
    
Omg tyvm I love you no homo lol –  Matt Mar 19 '13 at 22:40
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Click here which is similer quetion.

a) Option 1:



Setps.....

1) Insert the Windows 7 DVD into the CDROM.
2) Shut down the computer. (DO NOT RESTART)
3) Start the computer, & immediately after that start tapping on F12 which will give you boot options. Select CD/DVD ROM Over there.
4) Windows 7 should start the installation Process.


b) Option 2:



Steps......

1) boot the system normally using Ubuntu installation that is there on Hard Drive.
2) Once you reach Ubuntu Desktop, insert Windows 7 DVD in DVD ROM Drive.
3) Ubuntu will automatically give you pop-up of the Windows 7 DVD & Start the Default auto-run program of Windows 7 DVD.
4) Click on the option to install Windows 7 from that pop-up menu.
System may restart Automatically After step no. 4
5) Windows 7 will start the installation.



Let me know if u have any further queries.

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I don't have a disc it's windows 8 –  Matt Mar 19 '13 at 13:46
    
@Matt In your case you can download the windows 8 ISO and then burn it onto a DVD to use it. You can download the windows 8 from here. You can do all of that from Ubuntu as well. –  Rishee Mar 20 '13 at 4:42
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