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Got some mouse lag in Ubuntu 18.04. Had it for a while now and just have kind of put up with it, but I need to get deeper into Ubuntu and linux which means actually trying to find solutions to all these weird linuxy problems.

I have a dual boot i5 integrated graphics ultra-book + Steel series rival 600. Silky smooth performance under windows, laggy under ubuntu, seems to be more laggy when moving between screens, but I am still not sure if it is a peak in GPU or CPU causing the problem. (Mouse completely stopped just now when I pressed "Review your question".)

I have tried changing USB port. I have tried quitting programs in the taskbar such as Teams and f.lux. I have also tried the following fix which seemed to help somewhat but not completely:

How can I get rid of mouse lag under Ubuntu?

Is this just linux being linux or is this the excuse I need to splash out on a new a faster PC?

TIA any input is appreciated!

apuri123
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    Neither "Linux being Linux" nor an excuse to splash out: I can run Ubuntu on a tiny lightweight Raspberry Pi without mouse lag. Beware of trying random shell incantations - don't do it until you understand what it does, how to measure it's effect, and how to undo it. – user535733 Jul 15 '20 at 22:08
  • Have you tried disabling mouse acceleration either through System Settings -> Mouse if not using Gnome or through dconf-editor GUI app or gsettings terminal command as per the answers to this question or gnome-tweaks which is another GUI app? – l3l_aze Jul 15 '20 at 22:48

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