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I have a problem. The Ubuntu desktop freezes in a way, that I can still type, do everything on the keyboard but the mouse doesn't work. I can move it around but it doesn't highlight anything in the launcher and the mouse buttons don't do anything. Can anybody please help me?


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What hardware is your computer? I discovered some irregularities in the UI and now consider a 3GHz Core2Duo to be not enough for 12.04. – Chris K Jun 17 '12 at 20:29
@EliahKagan yes, but that question got answered in a way I'm happy with. :) I do agree with you but this helped me decide the lowest spec CPU I'll buy for my business henceforth is a Core i3. – Chris K Jun 17 '12 at 21:36
Thanks. I have a Samsung NC10 Plus laptop with a 1.66GHz Atom processor, 1GB RAM, and Intel 3150 graphics card. Is it enough for Ubuntu 12.04? – thetattoo Jun 17 '12 at 22:28
Try xubuntu 10.04 live CD or USB... if the performance is snappy in that environment, then probably not enough cpu. :( At work we do have 2 Ubuntu machines on 1.66 Atoms and they're at least stable and usable for any single task. – Chris K Jun 17 '12 at 22:33
I installed Gnome-Shell and it runs a little bit better. But still, I would expect this machine to run good; is there anything I can do to make it work faster? Are the Intel graphics drivers in use the latest ones? – thetattoo Jun 19 '12 at 19:56

In xorg.conf I changed the Option "Protocol" for Input Device "Mouse" from "auto" to "Microsoft" and my problems with auto clicking and mouse freezing have completely cleared up.

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you need to restart the touchpad/mouse interface using

sudo modprobe -r psmouse  

this removes mouse interface from linux kernel . then

sudo modprobe psmouse  

this adds mouse interface to linux kernel

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