"One half of monitor screen is tinted darker(as if for night)"に関する回答this problem is caused by the dead USB or bad driver which cannot be reconigationed by our pc so I can give you a solution for this problem 1. Turn on your pc or laptop in safe mode.( go to setting and go to security and advance setting then select restart) 2. Don't use dead or virus usb or driver. 3. make you pc’s brightness no more then 25%. 4. Give some rest to your pc after every single hour.