Automatic brightness control on the monitor, how to turn it off?

Question

Monitors

The Samsung syncmaster245b monitor, after connecting to the PC, turned on this crap, with a dark background the screen is dim and vice versa, since I play games it infuriates me to horror (especially if you get on a night map) help fight off this infection. Ps I looked through the power saving panel, this feature is not there, I tried it through the registry, the command line in the parameters, the result is 0, and on the monik itself, half of the functions are "unavailable".

Answer 1

Power Options -> Change Advanced Settings -> Display -> Enable Adaptive Brightness -> Disable in both cases.
update*
You can also try blocking the changes. Adjust the brightness and hold the menu button for 5 seconds (this is the setting change block). If it doesn't help, you can unlock it the same way.
Or another option. There should be a "MagicBright" button on the panel. Looks like a fan. There are 7 modes - the last "auto contrast". The whole circus might be because of him. Just click on it and select "custom mode". He seems to be right after him. Hope it helped!

Answer 2

Often, for such a "useful" feature, there is a separate button on the monitor. If it is not there, then it should be in the monitor menu.