Pointer problem on external monitor

Posted by Herby Pepper on Ask Ubuntu See other posts from Ask Ubuntu or by Herby Pepper
Published on 2012-08-14T11:34:29Z Indexed on 2012/09/17 9:51 UTC
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graphics

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external-monitor

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Pointer looks and work fine on laptop but when I connect external monitor it appears there as a shaking, square shape. Videos are not showing either.

my laptop hp 2133: Graphic card: VIA Technologies, Inc. CN896/VN896/P4M900, Chrome 9 HC. System: Lubuntu 12.04

I think it is graphic problem but can't find drivers for my card and system. I do have xserver-xorg-video-openchrome and disper installed.
I did not have that problem with Lubuntu 11.10.

My problem is a bit like : Mouse pointer strange problem but it was not solved so I decided to post my question.

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