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After the kernel upgrade to 3.0.0.13.15 my system doesn't boot anymore. I have to manually shut down the system, reboot and choose the old kernel to be able to boot my system. The only thing I see is that caps and scroll lock are blinking/flashing. The system hangs on the purple grub background.

Does anyone have an idea how to fix that problem?

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Welcome to Ask Ubuntu! This question should instead be filed as a bug report, thanks! Instructions here. –  Jorge Castro Nov 23 '11 at 2:33
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closed as off topic by belacqua, jrg May 23 '12 at 17:47

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2 Answers

I had the same problem. You can loggin via ctrl-alt-f1.
The startx command tells me nvidia module is not found.

I fixed it by ctrl-alt-f1 -> dpkg-reconfigure nvidia-current

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Use the rescue mode or go to another terminal with ctr+alt+f1 and reinstall your drivers. Usually installing new kernel will break graphics drivers really bad.

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