[Chimera-users] Problem with Chimera under Windows XP

Greg Couch gregc at cgl.ucsf.edu
Mon Dec 17 10:17:35 PST 2007

On Sun, 16 Dec 2007, Peter Girard wrote:

> I am running release 2304 of Chimera under Windows XP with service pack 
> 2 on a Dell Inspiron 9300 laptop.  The image disappears from the screen 
> for no apparent reason.  With the structures I am currently working on, 
> this has become frequent and often occurs after just a few seconds when 
> I click anywhere in the Chimera window.
> I have found that if I use Model Panel, I can get the picture back by 
> clicking the 'Shown' box to remove the tick mark, then clicking it again 
> to re-insert the tick.  But the picture soon disappears again. 
> Occasionally, it doesn't disappear completely, but part of it collapses, 
> or spurious long lines appear.
> I had the same problem with a previous release, 2184, and was 
> disappointed that upgrading didn't fix it.  I can find no mention of 
> anything similar in the documentation or email archive.  Can anyone 
> suggest a possible cause?
> Peter Girard
> (University of Nottingham, UK)

I am 99.99999% sure that this is not a chimera bug.  This is most likely a 
graphics driver bug, but it could also be a hardware bug or a BIOS bug. 
So you should first update the graphics driver.  There is also a newer 
BIOS, A05, that "addresses some NMI and blue screen issues seen by some 
customers using intensive 3D applications and games."  And please update 
your chimera as well to 1.2470.

 	Good luck,

 	Greg Couch
 	UCSF Computer Graphics Lab

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