This way is quite simple on your computer, There are 2 ways to answer the question “how to disable headphone jack windows 10”. You can work with “Device Properties” or “Audio Device Management”.
With the Device Properties tab: First you need to go to the Settings tab (press the Windows + S key combination). Type in the search box “Settings”. Here you find the System tab > Sound tab. At this point, you just need to select the audio device you want to turn off.
With the Sound Management tab: What you need to do is go to the Windows Settings screen and the System tab > Sound. Then select disable by clicking the Disable option.