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HELP ME! Can't access Windows 7 after dual booting with Ubuntu 15.04 64 Bit


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#1 POKEGAMERZ

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Posted 25 June 2015 - 07:09 PM

Today I decided to dual boot both Windows 7 64 Bit with Linux Ubuntu 15.04 64 Bit and Ubuntu works well but I can't go back to Windows 7 after I installed it. I wish to get a menu like this-
Select Operating System to boot-
1 Windows 7 (64 Bit).
2 Ubuntu 15.04 (64 Bit).
Please tell me if there is a way to fix it and to make it so that I could use both operating systems on 1 hard drive and please give me the best helpful response that all of you can offer.

Edited by Queen-Evie, 25 June 2015 - 08:00 PM.
moved from Linux How-To and Tutorial Section


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#2 DeimosChaos

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Posted 25 June 2015 - 08:08 PM

Obvious question, but did you make sure you installed Ubuntu to a separate partition?

 

As long as you didn't write over Windows try running this:

sudo update-grub

More than likely when grub got installed it didn't pick up the Windows partition correctly. Try running the above command, it should find your Windows install.


OS - Ubuntu 14.04/16.04 & Windows 10
Custom Desktop PC / Lenovo Y580 / Sager NP8258 / Dell XPS 13 (9350)
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#3 POKEGAMERZ

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Posted 25 June 2015 - 11:34 PM

Obvious question, but did you make sure you installed Ubuntu to a separate partition?
 
As long as you didn't write over Windows try running this:

sudo update-grub
More than likely when grub got installed it didn't pick up the Windows partition correctly. Try running the above command, it should find your Windows install.
Actually I saw some guy on YouTube do it and I did exactly what he did and I set up the Partition manually and hopefully I did not cause any damage to Windows in the process. Also do I type that in the Terminal?

#4 Guest_hollowface_*

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Posted 26 June 2015 - 12:01 AM


do I type that in the Terminal?

 

Yes, in Ubuntu, you would type that in your terminal. It will update your boot-manager's menu-entries (hopefully then Windows will appear).

 


I set up the Partition manually and hopefully I did not cause any damage to Windows in the process.

 

If after running the previously stated command you still cannot boot into Windows I would suggest adding a screenshot, or terminal output of your hard-drive partitions. It will be a huge asset to anyone who trys to help. To do so, open your terminal and type "sudo parted -l", highlight all the text in your terminal, right-click, copy the text, then on Bleeping Computer click the <> button to make a codebox, and paste the text from your terminal into it so you can add it to your post. You might also provide a link to this youtube video you mentioned.

 

Until you have fixed this issue I suggest downloading SuperGrub2Disk, and burning it to a disc. It should be able to boot you into Windows 7 and Ubuntu. It will not fix your issue, but you can use it temporarily to access both operating systems while you wait for your current issue to be solved. :) It's an invaluable tool.



#5 POKEGAMERZ

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Posted 26 June 2015 - 01:29 PM

Obvious question, but did you make sure you installed Ubuntu to a separate partition?
 
As long as you didn't write over Windows try running this:

sudo update-grub
More than likely when grub got installed it didn't pick up the Windows partition correctly. Try running the above command, it should find your Windows install.
Thank you for helping me out. I opened up the Ubuntu Terminal and typed this and now when I boot my PC it let's me choose between Ubuntu and the Windows 7 loader and now I can access both operating systems and no data was lost in the process. I appreciate everyone's help and now because you helped me my problems now fixed. Once again thank you.

#6 Rocky Bennett

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Posted 26 June 2015 - 04:39 PM

I love this Bleeping website. Lots of friendly people always ready to help.


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#7 DeimosChaos

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Posted 26 June 2015 - 04:58 PM

 

Obvious question, but did you make sure you installed Ubuntu to a separate partition?
 
As long as you didn't write over Windows try running this:

sudo update-grub
More than likely when grub got installed it didn't pick up the Windows partition correctly. Try running the above command, it should find your Windows install.
Thank you for helping me out. I opened up the Ubuntu Terminal and typed this and now when I boot my PC it let's me choose between Ubuntu and the Windows 7 loader and now I can access both operating systems and no data was lost in the process. I appreciate everyone's help and now because you helped me my problems now fixed. Once again thank you.

 

 

Great news! Glad to be of help!


OS - Ubuntu 14.04/16.04 & Windows 10
Custom Desktop PC / Lenovo Y580 / Sager NP8258 / Dell XPS 13 (9350)
_____________________________________________________
Bachelor of Science in Computing Security from Drexel University
Security +





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