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For the last month, when starting up or shutting down my laptop under Linux, I would get graphical corruption. Startup has an colour inverted, grainy rendition of what should be displayed while shutdown has a red background with all the text replaced by grey rectangles.

At the very least this affects Fedora, Ubuntu and Xubuntu. Windows is not affected. Outside of startup/shutdown the system is fine.

Should I be worrying about this?

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2 Answers 2

up vote 2 down vote accepted

I get flickering on startup sometimes. I haven't had any data loss or anything like that.

This fix from the Ubuntu Forums might work for you.

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Try the nomodeset kernel parameter. In my case it solves the flicker and graphic madness ;)

Here my complete grub line for the kernel: linux /boot/vmlinuz-2.6.32-10-generic root=/dev/mapper/vg-lucid ro quiet splash nomodeset

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