Ubuntu 18.04 Mouse Pointer Blinks and disappears on one screen after setting HiDPI scaling with xrandr
Solution 1
Adding an xorg configuration file as mentioned here helped me to solve the problem.
Solution 2
Run the following xrandr command after yours:
xrandr --output eDP-1 --scale 0.9999x0.9999
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evolozzy
Researcher, computer enthusiast. Resistance is fertile.
Updated on September 18, 2022Comments
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evolozzy over 1 year
I use Ubuntu 18.04, on Dell XPS 15. There is a huge difference in the resolution of my screens, so when I plugged external monitors, either everything was too big on external monitors or everything was so small on laptop monitor. I used xrandr to setup the scaling as follows:
xrandr --output eDP-1 --scale 1x1 --pos 0x2400 xrandr --output HDMI-1 --scale 2x2 --pos 0x350 xrandr --output DP-2-8 --scale 2x2 --pos 2560x0
eDP-1 is the laptop monitor with resolution 3840x2160, HDMI-1 is a VGA monitor with resolution 1280x1024, for which I use a VGA to HDMI converter to connect and DP-2-8 is another monitor with resolution 1920x1200 connected via display port. After doing this, mouse pointer started to blink, and even disappear only on eDP-1 but not on other screens, when CPU is in use. Let's say I open the settings window for Bluetooth, I cannot see mouse pointer, if I open an email, it blinks a couple of times and stabilizes. Does any one have similar problems or any idea what's going on?
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Kylea almost 6 yearsI can confirm the exact same behaviour with my XPS 15 9570: xrandr --output eDP-1 --scale .5x.5 --mode 3840x2160 --output DP-1-2 --scale 1x1 --mode 2560x1440 --fb 6400x2880 --pos 0x0 --left-of eDP-1
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fx-kirin over 5 yearsI used this method to make xorg configuation file. askubuntu.com/questions/4662/…
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PenumbraBrah about 4 yearsThis worked for me in Linux Mint; I don't know why, but it did.
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Yan King Yin over 3 yearsMiraculous! thanks :)
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Erveron about 3 yearsThis answer is not really good enough to solve the problem. At least for newbie like me.