Dell laptop user reported the audio speakers work fine but it does not seem to detect when headphones are plugged in the headphone jack. The sound remains output from the speakers. This technical issue reported happen on Dell latitude, Inspiron, XPS, Vostro, and Alienware with windows 10 and Windows 11 installed.
Follow the below solution steps to resolve Dell audio headphone jack port not detected, working, recognized problem when plugged in issue.
Solution 1: Make sure the headset is fully plugged in
Some user discovered that the audio jack is much more tight than other laptops, so you have to plug the headset earphones with a bit more pressure until you hear a click sound.
Solution 2: Plug in headset earphones before Windows boot up
Some user feedback that plugging in the headset earphones before start or reboot Windows will not have this issue.
Solution 3: Reinstall audio driver
Step 1: Open the Start Menu and search for Task Manager. Or you can press Ctrl + Shift + Esc key together to open the Task Manager.
Step 2: Click on the Startup tab.
Step 3: Select the HD Audio Background Process.
Step 4: Click on the Disable button located at the bottom-right corner.
Step 5: Perform the same steps to disable the Realtek HD Audio Manager as well.
Step 6: Click on the Processes tab.
Step 7: Select the HD Audio Background Process, there are two processes.
Step 8: Click on the End task button located at the bottom-right corner.
Step 9: Press Windows + X keys together then click on the Device Manager option.
Step 10: Click on the Audio inputs and outputs option to expand the driver list.
Step 11: Locate the microphone drivers or headset drivers called Speakers / Headphones (Realtek Audio).
Step 12: Right-click on the driver and select the Uninstall driver option from the context menu.
Step 13: Restart your PC and Windows will attempt to reinstall the driver.