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wigry 01-06-2013 12:46 PM

KDE screen flipped after Slack 14.0 upgrade

I just completed the upgrade from 13.37 to 14.0 32bit and started KDE 4.8.5 and... the screen is flipped around horizontal axes. Meaning that text is still from left to right but upside down. Does anybody have an idea how to fix it? KDE starts OK and while the loading icons appear, on the third icon, the screen is flipped. Absolutely hilarious but is there a fix?

XFCE, Fluxbox, Blackbox, WindowMaker, FVWM are all OK but KDE...

Alien Bob 01-06-2013 01:15 PM

This behaviour seems to be related to using certain versions of the proprietary Nvidia driver. Have you installed the latest Nvidia driver for your card? See


bosth 01-06-2013 01:16 PM

Yeah, I've seen that. If I recall correctly, you can also log into KDE's 'safe mode', disable compositing and then log in as usual - with the caveat that you will no longer have compositing. I'm pretty sure you'll need to fix your NVidia drivers to get everything working again.

And, yes, it is hilarious.

wigry 01-06-2013 05:29 PM

Indeed replacing Nouveau with NVidia driver fixed the issue.

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