Monitor refresh issue

[Reinhold Rumberger]

Am Montag 22 November 2010, um 16:54:35 schrieb Georgi Kourtev:
> Dear all,
> 
> I have a laptop DELL inspiron 1525 that worked fine ever since 8.04 up to
> 10.04. I did on it a fresh install of 10.10 and after that the monitor
> started to freeze every 10-20 seconds.  This can be seen while pressing
> page down on a webpage, or typing an email, or scrolling through windows,
> or by dropping a menu down -- all that makes it move...   As a visual
> effect it looks like the monitor cannot refresh itself correctly.
> 
> This is happening with composing on and off, so it is not that. The monitor
> settings are the same as before.

I had a similar problem on my inspiron 1525. It vanished completely after I 
set the desktop effects to use XRender instead of OpenGL.

  --Reinhold