Possibly important update: I tried doing some investigations with xev. In desperation I just upgraded to 12.10 but this has not fixed the problem and now I am running a distro that is not an LTS (and hence is not ideal for me :-\ )īut it is rendering my system very hard to use. It started about a week ago, and doesn't seem to be getting any better or worse. I don't have hald, or the hal package installed.
My /etc/X11/nf is only a few lines long and has no "InputDevice" section. Both of these mice work fine on my home laptop also running Ubuntu 12.04. I have tried two mice on my system - both exhibit the problem. Let me go through everything, including fixes that have worked for other people but not for me. I am not the only person with this problem, but googling indicates that there may well be multiple reasons for it none of the fixes I have read online have worked for me. Thank goodness for Alt- F7 - but I don't want to have to learn keyboard shortcuts for every program I use as well as for the OS (and not being able to copy-paste is a great loss for me). So far this has led to: randomly sending unfinished emails, randomly highlighting and deleting things I didn't want to delete whilst writing emails ( very frustrating), randomly deleting two browser tabs instead of one (several times), and (in some sense the most annoying) a very very frustating end-user experience when attempting to move windows around on the desktop or to cut-and-paste from a terminal window. When I left-click with my mouse, it sometimes double-clicks (maybe 50% of the time). I have a problem which is becoming a nightmare, to the extent that I am thinking that it might be easier to just scrap Ubuntu completely and try something else.
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