After I moved Windows from XP to XP, I was refused at all by any keys that control the brightness of the screen. Today, I climbed into the BIOS and randomly noticed that in the BIOS mode, these control keys work, therefore, in order to control the brightness, you need to send values to the BIOS. Need a program that does it. Tell me how to control the brightness of the screen ... just tell me which function to use, or a piece of code that sets a certain brightness value. and I'll do the rest myself. I need code for Delphi desirable, but I would understand the code in C ++.