Photoshop Causes Monitor to Brighten Significantly, Adds Blue Shift

Forum|Forum|5 years ago
March 16, 2021
2 replies
1688 views

I've had a strange thing happen with the most recent version of Photoshop the last few days.

As soon as I click on the icon to start PS, the entire monitor screen brightens significantly. It also shifts significantly to the blue, cooling the photos. Once I exit PS, my monitor brightness returns to zero.

I should stress, this increase in the brightness and cooling affects all problems, not just PS, for as long as PS remains running.

I use a calibrated monitor. This strange PS behavior means I can't edit while PS is running. The results are too bright and too blue.

I'm running Windows 10 with 16GB of RAM and an SSD as primary drive and mechanical hard drive as the secondary drive.

Cheers,

Mitch

This topic has been closed for replies.

D Fosse

Community Expert

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D Fosse

Community Expert

I use a calibrated monitor.

By @glennm33209809

Calibrated how and with what calibrator?

Does this affect the entire interface, or is it limited to image/histogram/color picker? If the former, it's a bad video driver, if the latter, a bad monitor profile.

Do you have screenshots that could illustrate? (don't attach, insert image directly into the post).

G

glennm33209809Author

Participating Frequently

I have my ICC monitor profile set to use a D65 white point and illuminant of 160 cd/m3. Standard tone response curve. Gamma 2.2. I use i1Profiler from Xrite to calibrate my monitor.

D Fosse

Community Expert

This happens to my PC as well. I use Spyder 5 to calibrate my monitor. Perhaps doing another calibration on the monitor after Photoshop opens and saving the new profile would help, that way, you could select between calibration profiles as needed. I would give this a try myself but I am getting a new computer in a couple of days - so I will waity and see how that works out.

That's not how this works. You can't arbitrarily "select" a monitor profile.

The profile needs to be an accurate description of the monitor in its actual and current state. There is only one correct profile. All others are wrong. If Photoshop doesn't display correctly, the monitor profile is incorrect/defective, and you need to make a new one.

Also, there's no such thing as "calibration profile" You seem to mix up monitor profile and calibration. Those are two different things, serving different purposes. The monitor profile describes the monitor in its calibrated state. The profile is written after the calibration is finished.

Calibration alters the monitor's behavior globally, but is usually fairly low precision. The monitor profile doesn't do anything. It's just a map, but it's much higher precision. The correction is done by the application, using the monitor profile in a standard profile conversion, from the document profile, into the monitor profile, on the fly.

That's how it works, and knowing that makes troubleshooting much easier.

In third-party calibrators, the calibration is done in the video card and loaded into the GPU. The Spyder, for instance, does that. This can sometimes fail, and this will alter appearances of everything, all applications. It sounds like this is what's happening here.

In dedicated calibrators for high-end displays (Eizo, NEC), the calibration is done directly to the monitor's own internal processor. This is much more optimal for a lot of reasons, has a lot more options, and is usually much less error-prone.

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