When I switch from a light to a dark colored window, I notice my display slowly starts to increase the contrast. It does it in short increments every second, so it takes 15 seconds to finish. It's really annoying when I'm trying to design things and the colors keep changing.

I'm fairly positive it's Windows or my graphics card as I have two monitors and both change contrast at the same time. I've looked in my monitor's settings and haven't found any auto adjust options. The NVIDIA control panel doesn't have any options like that either. Also, under advanced power settings, adaptive brightness is off.

Here's my system specs, if that's useful:

  • Video Card: EVGA Geforce GTX 1060 6GB SSC
  • Displays: HP 22cwa and Acer S200HL
  • OS: Windows 10 Home 64-bit
  • CPU: AMD Ryzen 5 2400G
  • Motherboard: MSI B350 PC MATE
  • I've only ever seen this on monitors and TVs and have never seen it on a graphics card. Often changing the screen mode to "game" or other setting disables the automatic backlight control. – Mokubai Dec 15 '18 at 22:55

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