Question Secondary monitor says "Input Not Support" on MacOS ?

Oct 22, 2021
3
0
10
0
I recently added a 24" AOC monitor to use as a secondary monitor. I plugged it directly into the HDMI (my other monitor uses the Thunderbolt). I've adjusted the settings in System Preferences > Displays and set the resolution to match the monitor's resolution. I've tried switching ports (using a USB-C to HDMI) and yet that does not work. Any solution to get this "Input Not Support" watermark from roaming my screen?
 
Try this, see if it helps,
  • On your Mac, choose Apple menu > System Preferences, click Security & Privacy, then click Privacy. Open the Privacy pane for me
  • Select Input Monitoring.
  • Select the checkbox next to an app to allow it to monitor your input devices. Deselect the checkbox to turn off access for that app.
 
Oct 22, 2021
3
0
10
0
Try this, see if it helps,
  • On your Mac, choose Apple menu > System Preferences, click Security & Privacy, then click Privacy. Open the Privacy pane for me
  • Select Input Monitoring.
  • Select the checkbox next to an app to allow it to monitor your input devices. Deselect the checkbox to turn off access for that app.
This did not seem to fix the issue. It still displays "Input Not Support".
 

ASK THE COMMUNITY