How do you fix not being plugged in?

Try your device on another computer or audio jack

1. Solution 1: Run the Sound Troubleshooter.
2. Solution 2: Re-Enable your Sound Card.
3. Solution 3: Update your sound card driver.
4. Update your driver from Windows itself.
5. Update your driver with a third-party app.
6. Solution 4: Disable front panel jack detection (Realtek)