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I am running Ubuntu 12.04 on an AMD athlon II x2 240 w/ 3 GB ram and an ATI Radeon HD5670. I'm having the problem of sudden slowdowns, which I think may be due to the graphics driver. I'm an Ubuntu newbie and would love some basic instructions or explanations.

I've tried the fglrx driver and the driver from the ATI website but they both produced slowdowns. And checking the Details under System Settings, it showed the VESA-REDWOOD driver. So I tried purging the fglrx driver like on this link How do I remove the proprietary ATI drivers? but then I can't see anything when Ubuntu boots up, even with the nomodeset option, I was able to fix it before with the nomodeset but now nothing.

I'm confused with w/c driver I should really install, should I go with the fglrx or the ATI driver, and what are open source drivers? Is there a way to remove all of these and start fresh? A nice explanation or link to a guide explaning all of this stuff would be helpful. Thanks a lot!

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1 Answers1

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It seems like my problem is the same as this, Can't install fglrx or boot computer. I ran the command, /usr/share/ati/amd-uninstall.sh --force on the recovery console to completely remove fglrx. Then I was able to login (using nomodeset on grub) and download the latest ATI driver from the AMD website.

And everything works again, but I still get graphic glitches every now and then, lines running across the screen. It's completely tolerable but I hope someone finds a fix for this. It's also showing the VESA-REDWOOD driver under System Settings > Details.

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