On 02/19/18 07:49, Patrick Dupre wrote: Is your poorly performing monitor is connected to HDMI? > xrandr > Screen 0: minimum 320 x 200, current 3520 x 1200, maximum 8192 x 8192 > HDMI-1 connected 1920x1080+1600+0 (normal left inverted right x axis y axis) 609mm x 347mm > 1366x768 59.79 + > 1920x1080 60.00 50.00 59.94* 30.00 25.00 24.00 29.97 23.98 I ask since I see an oddity in the above. What is the model of the monitor connected? From the xrandr man page.... If invoked without any option, it will dump the state of the outputs, showing the existing modes for each of them, with a '+' after the pre‐ ferred modes and a '*' after the current mode. So, the monitor seems to be reporting that its native resolution is 1366x768 but not currently connected at it. > > 1920x1080i 60.00 50.00 59.94 > 1280x720 60.00 50.00 59.94 > 1024x768 75.03 70.07 60.00 > 832x624 74.55 > 800x600 72.19 75.00 60.32 > 720x576 50.00 > 720x576i 50.00 > 720x480 60.00 59.94 > 720x480i 60.00 59.94 > 640x480 75.00 72.81 66.67 60.00 59.94 > 720x400 70.08 > DP-1 connected primary 1600x1200+0+0 (normal left inverted right x axis y axis) 408mm x 306mm > 1600x1200 60.00*+ > 1280x1024 75.02 60.02 > 1280x960 60.00 > 1152x864 75.00 > 1024x768 75.03 70.07 60.00 > 832x624 74.55 > 800x600 72.19 75.00 60.32 56.25 > 640x480 75.00 72.81 66.67 59.94 > 720x400 70.08 -- A motto of mine is: When in doubt, try it out
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