I'm having the same problem running 64 bit Ubuntu 14.04 nvidia 331. Ctrl-Alt-F1 then Ctrl-Alt-F7 restores the mouse.
uname -a: Linux xps-L502X 3.13.0-45-generic #74-Ubuntu SMP Tue Jan 13 19:36:28 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux http://pastebin.com/pCabdnnP I'm downloading vivid-desktop-amd64.iso and will give it a try. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1277245 Title: nvidia prime causing mouse and screen to freeze Status in xorg package in Ubuntu: Incomplete Bug description: I upgraded to Ubuntu Trusty Tahr . Currently running with updates as of 6th Feb. 64bit. After installing nvidia-prime and nvidia-331, i can see frequent mouse freezes. Once the mouse is frozen, it doesn't allow Alt+Tab functionality. Only way to get out of this is by pressing Ctrl+Alt+F1 . I can bring back by unloading and loading the psmouse module modprobe -r psmouse. lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 18) 01:00.0 VGA compatible controller: NVIDIA Corporation GT218M [GeForce 310M] (rev a2) uname -a Linux Vostro-3300 3.13.0-6-generic #23-Ubuntu SMP Thu Jan 30 09:48:03 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=14.04 DISTRIB_CODENAME=trusty DISTRIB_DESCRIPTION="Ubuntu Trusty Tahr (development branch)" This issue does not occur while running the opensource driver. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1277245/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
