Two systems calibrated with the same Spider, look different

This is driving me nuts! I have a laptop running win8.1 and a desktop running win7. Both are calibrated with a Spider but the desktop looks to dark when compared to the laptop if put side by side. What the heck am I doing wrong!! BTW it says it has loaded the calibration icm on both when it boots up and I can see the difference once it is loaded.

Any chance room lighting was different, when the calibrations were performed?

The sensor does rest against the screen, but I suspect there're is some light leakage along the plastic of the screen.


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Check your startup folders -- maybe there is another application (like Adobe Gamma) trying to calibrate your monitor.

^^ and the settings on your monitors 6500K gamma 2.2 is the most commonly used.

Thanks I will check that.

I have found that two different monitors look different even when calibrated with the same device and hooked to the same computer. I am somewhat skeptical of how well monitor calibration can really make two monitors look alike. My guess is the best it can do is to get them to look as close to a standard as possible. However if one is too dark compared to the other you most likely didn't adjust the brightness correctly during the calibration step, or you have some sort of auto brightness featured on the laptop or monitor that is adjusting one or the other away from where you calibrated it.

Also, I find for printing I keep my monitor calibrated to 80 cd/m^2 and 4500K. If I use 6500K and brighter I'm never happy with how the prints turn out with my home's lighting.

Thanks everyone, I found it was the AMD software that was messing me up. I adjusted it to middle values and then the Spider worked as it should. The other advice I got was great as well.