Headphone Jack requires WaveMaxx to function.  1. Open Task manager > Start up > Enable WaveMaxx 2 Open Run > MSCONFIG > Services > Both Realtek and WaveAudio should be checked 3. Settings > Privacy > Background apps > WaveMaxx should be enabled    Reboot   In case WaveMaxx is missing from above locations. Please reinstall Audio Drivers.    [URL]  
Hi, I have a DELL INSPIRON 3501 Intel i3 11th gen from the beginning, the port only recognizes TRS headphones. but after a month after purchase, the headphone jack is not recognized by the computer. I want to know if 1. hardware problem? 2. software/Driver problem? 3. is this a TRS or TRRS supported port 4. SOLUTION Thank you 
Headphone PORT is NOT working