Re: Monitor Calibration Problem
Re: Monitor Calibration Problem
- Subject: Re: Monitor Calibration Problem
- From: Steve Upton <email@hidden>
- Date: Fri, 26 Aug 2011 13:13:23 -0700
At 3:43 PM -0400 8/26/11, Ken Fleisher wrote:
>I am having an issue with monitor calibration and am looking for input.
>Consider two systems, we'll call them System A and System C. Both are the
>same model Mac Pro with Dual-Core Intel Xeon processor running OS 10.6.8.
>System A has more RAM than System C, but that is the only difference. Both
>systems have an Eizo CG210 monitor.
>
>Calibration using ColorNavigator 6.0.0.42 on both systems using an Eye-One
>Pro. Here are the relevant results using the ISO 12646 Profile Quality
>validation color set:
>
>System A: Max dE2000 3.54; Avg dE2000 0.79
>System C: Max dE2000 20.01; Avg dE2000 11.18
>
>I next switched the two monitors so that System A has System C's monitor,
>and vice versa. Here are those results:
>
>System A: Max dE2000 3.41; Avg dE2000 0.64
>System C: Max dE2000 20.04; Avg dE2000 11.16
>
>I was surprised by this. Clearly it is not the System C monitor that was
>going bad since it produce a good calibration on System A, and the System A
>monitor performed poorly on System C. There must be something wrong with
>System C, correct?
>
>Any ideas what it could be? My first thought is the video card. Does that
>sound likely? How would I go about figuring this out? What are the other
>possible sources for this problem? I admit that this is a new one for me
>
>Thanks for any help you can provide!
Hi Ken,
Sounds like OS or hardware on the C machine. (though there could be a location factor involved, messing up the measurements. It just seems like the problem repeats so closely that it's not likely the issue)
Can you boot from a clean OS very easily on System C? Even just creating a new user on System C might make a difference.
Another hack I might try if I had the control.. move the HD from System A to C and see if the behavior persists. That would rule out either s/w or h/w - pretty effectively splitting the problem in 1/2.
With the Mac Pro the drives are on sleds so it might be the fastest thing to try. (just avoid static!)
regards,
Steve
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