Linux: can't downgrade ATI graphic driver

Posted by java.is.for.desktop on Super User See other posts from Super User or by java.is.for.desktop
Published on 2011-01-14T15:44:40Z Indexed on 2011/01/14 15:55 UTC
Read the original article Hit count: 252

Filed under:

linux

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drivers

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ati

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downgrade

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ati-catalyst

I had the old 10.9 driver of ATI, it worked fine. Sadly, I decided to upgrade it to the new 10.12. After that, HDMI stopped working. So, I want to downgrade back to 10.9. I did everything by the book. But it fails:

As root, I do:

cd /usr/share/ati
sh ./fglrx-uninstall.sh

Yes, the uninstall process tells me that everything is fine uninstalled. And after doing reboot, I have the default opensource ATI driver which comes with X11 (or the kernel?). The ATI control panel shortcut points to nowhere. So, the driver seems uninstalled.

Now I install the older (10.9) proprietary ATI driver. It also finishes successfully. But after reboot, the ATI control panel tells me that I still have 10.12. And it seems to be true, because HDMI doesn't work.

So, how can I completely purge the new non-working driver and downgrade to the old one?

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