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Your screenshot is displaying repeating patterns of video artifacts which are characteristic of video RAM artifacts. If the RAM in your graphics card is failing, sometimes just a small fraction of the RAM goes bad while the rest of the RAM continues to work properly. This can result in a screen that looks like a fraction of the screen has glitchy, repeating ...


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You can switch them this way: sudo aticonfig --px-igpu to the integrated adapter. sudo aticonfig --px-dgpu to the descrete adapter. Log off and log on after that. You can see the status by aticonfig --pxl You can also switch the adapters using Catalyst Control Center GUI utility. Note: This should work on a supported Ubuntu version (14.04 or ...



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