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Problems 4k monitor on Linux (Ubuntu)

Question asked by VincentSC on Oct 17, 2014

When showing the desktop (by minimalising or closing all windows) the computer becomes unresponsive for a few minutes: the mouse moves, but clicking doesn't work. The work-around is to not close all programs when shutting down the computer.

Screen-lock sometimes also locks, but then it is impossible to get control back. The mouse moves, but there seems to be no interaction.


Is this a problem with the AMD driver?