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im running ubuntu 13.04 on my Sony VPCSB37_GA with intel and amd Graphic cards I followed this tutorial so i can switch between intel and amd and it was working good, till yesterday. now i can only boot on intel, whenever i switch to amd by:

sudo aticonfig --xp-dgpu

and reboot, i get the "The system is running in low-graphics mode". i am using the tty1 to run:

sudo aticonfig --xp-igpu

and get back to the intel card. i don't know what happened, maybe because of an update? i also re-installed everything from the same tutorial and re-installed ubuntu-desktop and lightdm but nothings works.

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1 Answer 1

up vote 1 down vote accepted

The latest stable driver is not compatible with Ubuntu 13.04 yet. If you want to try the beta builder that has compatibility (in its changelog: http://support.amd.com/us/kbarticles/Pages/AMDCatalyst13-6LINBetaDriver.aspx). If you want to install, you can follow this tutorial with the beta driver:

Tutorial: What is the correct way to install ATI Catalyst Video Drivers (fglrx)?

Driver: http://support.amd.com/us/gpudownload/linux/Pages/radeon_linux.aspx

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