New answers tagged ati
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There are some minor issues with AMD's proprietary drivers.
They are missing a key protection routine (robust shaders) so you can't run WebGL or OpenGL Shader CSS without risking exploits. (These are turned off in Chrome if you have an ATI card.)
Flash has stopped supporting 3D acceleration altogether in Linux due to security exploits. Hopefully they ...
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Given you've mentioned in the comments that the display work correctly when using the distro Backtrack 5 R3 & Windows 7, I'd suggest looking through that live CD's xorg.conf file and/or just copying that file over to your Debian system.
Additionally you can bring the Debian and Backtrack xorg.conf files together on a system and perform a side-by-side ...
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You might have also updated other kernel modules related to your graphics chipset. Without knowing what you have done exactly it is hard to tell.
Here are some ideas
1. read logs while system is running
after your system seems to be booted, press CTRL + ALT + F1 to get tty1. Login and try reading your other error logs in /var/log/.
2. reinstall your ...
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