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I have this problem. The other days i had some problem with my Ubuntu installation, problems with grub2 and so on. Now the problem i have is: on the boot screen appears windows and ubuntu, but ubuntu is not working because i uninstall it as in a tutorial found here. You know how can I do that? And i have another problem i start to install wubi inside Windows, it's shows installing, show the reboot, i reboot, and after reboot nothing happens? Any ideas how can i make it working? I mean i don't know if in 12.04 it should still do something, but it doesn't appear on the bootscreen as well. On the boot screen i have Windows and the previously uninstalled Ubuntu.

Any ideas?

Thanks a lot!

share|improve this question
The grub menu is hidden by default on Wubi installs. If you hold down the Shift key after selecting Ubuntu it should appear. If you're getting a blank screen after selecting Ubuntu it might be a graphics card issue - what specs do you have? – bcbc May 27 '12 at 19:54
I am telling you. There is not appearing the Ubuntu in the boot screen! – Valentin V. May 28 '12 at 10:30
I think you mentioned you have a Win7 install. Please go to an administrator command prompt and edit your question with the output from bcdedit. Thanks – bcbc May 28 '12 at 19:48
up vote 0 down vote accepted

wubi modifies your windows bootloader to chainload its own bootloader, then boots from there. Select the windows boot option, then select ubuntu from there.

share|improve this answer
This is what i am telling you. Is not appearing on boot option screen. This is what i am trying to solve, but no luck yet! – Valentin V. May 27 '12 at 7:37
on grub or ntldr/bcd? – Journeyman Geek May 27 '12 at 7:48
no grub appears, only windows boot loader! – Valentin V. May 27 '12 at 9:10

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