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Ubuntu 11.10 installed and ran on my laptop flawlessly for the first time.

But during the next startup, when I select Ubuntu from the dual boot Ubuntu/Windows7 I get an Ubuntu colored background for a moment and then a black screen with an underscore blinking for sometime. After that, the monitor goes blank (backlight switches off) but the laptop keeps running endlessly until I remove the battery.

I used the same disk on my PC and I have no problems there. I tried repairing packages but to no avail. I am using a SONY VAIO VPCCB15FG core i5-2410M, Amd RadeonHD 6630.

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This question should instead be filed as a bug report, thanks! Instructions here. –  Jorge Castro Feb 2 '12 at 1:25
    
Sorry to have posted here. Will be more specific next time. Thankyou. –  varunyellina Sep 18 '12 at 13:33
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closed as off topic by Marco Ceppi Feb 2 '12 at 3:38

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