If the headphone works using a different device proceed with the steps below.
Here's the steps you can try.
-Go to Settings
-Click System
-Click Troubleshooter then Additional troubleshooter.
-Look for Playing Audio and run the troubleshooter.
-Go to Device Manager
-Expand the Sound and Video Game Controllers
-Look for Audio driver that was installed
-Right click and Update
-Look for "Browse my computer for driver
-Let me pick drivers available drivers
-Choose an old driver and use it.
Connect the headphone and proceed with these steps.
-Go to Control Panel
-In Control Panel, select Large icons from the View by drop down menu.
-Select Sound.
-Select the Playback tab
-Right click the headphone and click Enable.
-Right-click it again and select Set as Default Device.
-Right click headphone and click Properties.
-Click the Levels tab, then drag the volume slider towards the largest value.
-Click on Advance Tab
-Uncheck the box to "Allow Application to take exclusive controls on this device"
-Click OK.
Restart your computer and test the headphone audio.
I have done all these but there is not result. solve it and send me the solution for this problem.
System Model : Vostro 5620
System manufacturer : Dell Inc.
thank you.