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Old 09-20-2018, 08:20 AM   #3
AlbanRampon
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Join Date: Sep 2015
Location: Cambridge, UK
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Hello,
Gamma is about colour, not anything else so the behaviour was not expected to change.
Gamma is about modifying the image before it is sent to the monitor.

Brightness and contrast were implemented in the past through a standard called DDC/CI, that's why your third party app could control it and still can.
Brightness and contrast are just about sending commands to the monitor.

I haven't yet asked Microsoft about that brightness slider. I'm afraid it is rather low priority today, but will be investigated as part of the Windows Store application in development (first basic version available today under "DisplayLink Manager").
On my laptop, I cannot control an HDMI monitor directly connected to the Intel GPU either.

Would you please be able to tell me how these displays are connected? (cable connector on the dock and monitor side)
Also, would you mind using the tool linked in my signature to upload the zip created by the tool? Please enable advanced DisplayLink logging, reboot, get the repro, click Gather logs, disable advanced DisplayLink logging.
I will need to create a bug for that...

Kind regards,
Alban

Ref 28749
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Alban Rampon
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Last edited by AlbanRampon; 09-26-2018 at 01:29 PM. Reason: Ref 28749
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