[Chimera-users] thousands of black rectangles?

Greg Couch gregc at cgl.ucsf.edu
Wed Oct 6 10:23:05 PDT 2010

  On 10/05/2010 07:36 PM, Brandt, Gabriel S. wrote:
> Colleagues -
> Yesterday, I seem to have acquired a case of the Chimera measles. My proteins are being rendered with spots all over them. When I select any atom, all the spots are selected as well.
> I initially thought it was a problem with that particular PDB file, but formerly fine files all seem to have this problem.
> The issue seems like it arose spontaneously - I haven't recently updated any software that I'm aware of.
> I was running 1.2470 under X Windows (Mac OS 10.4.11). I downloaded a new version (1.4.1, Aqua) but the problem persists.
> Am I being foolish here? Is it simply a setting that I can change?
> G

This sounds like a hardware problem.  Are you using a MacBook Pro with 
NVidia 8600M graphics by any chance?  There was a problem with the 
graphics chips overheating and eventually failing.  See 
<http://support.apple.com/kb/ts2377>.  There may be other models with 
similar problems.

     - Greg

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