Summary of issue Since updating to Catalina, keyboard input is not recognized Have granted permissions for input monitoring Steps to reproduce Launch any game, any system Modify controls for Keyboard, no input is recognized Expected The current input timing is not supported by the monitor display/ please change your input timing to 1280*1024@60HZ or any other monitor listed timings as per the monitor specifications' I have ensured that these timings have been set Mac Accessories B brsboarder display I was attempting to hook it up to an ibook g4, but when I hooked it up, the display had a message that says input not supported I thought that with the screen hack, I would be fine, so I'm wondering if I'm doing something wrong, or if its simply not supported Let me know, thanks Btw, If I use the hack and put it on mirror displays it Connect To Hdmi From Your Mac Apple Support Uk Input not supported on monitor mac