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Old 07-18-2018, 04:21 PM   #2
AlbanRampon
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Location: Cambridge, UK
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Hello Phil,

I believe there are a few confusions or at least shortcuts in here.
As standard, the driver does zero correction. So if your external display is not setup properly like for instance contrast and brightness pushed, then it will look bad. Claiming the monitor is not "even usable" suggests this is way off.

Brightness and contrast are implemented via a standard called DDC/CI. This standard is implemented through numerous applications like Screenbright. This does not, and never has, required Gamma LUT. Other applications varies based on dock and monitor model as some manufacturers may enable only their hardware.
Should you not wish to use another software, then your monitor should have buttons to at least change brightness and contrast.

Colour calibration through gamma LUT is not publicly released today as the feature is not ready. This is in development in Windows 10, as Windows 7 is end of lifed by Microsoft. Depending on the hardware you have, this might be possible today for you with a registry key as a preview.

Kind regards,
Alban
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Alban Rampon
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