
A laptop headphone jack not working is a common but frustrating problem. You may experience no sound, crackling audio, or the system failing to detect your headphones at all. In most cases, the issue is related to audio drivers, system settings, or minor hardware conflicts rather than a broken jack. This guide explains the most common causes and provides multiple proven fixes, starting with updating drivers using Driver Sentry, which is often the fastest and most effective solution.
Update Audio Drivers First Using Driver Sentry
Outdated, corrupted, or incompatible audio drivers are the leading cause of headphone jack issues on Windows laptops. Before trying manual fixes, it is strongly recommended to update all related drivers using Driver Sentry.
Download and Install:
Click the "Download" button to download the software package.
Ensure the installation is completed with administrator privileges.
Run Scan:
Once opened, the program will automatically detect your system hardware, and you can also click the "Scan" button.
Driver Sentry scans your PC for missing, outdated, corrupted, or incompatible drivers, including audio devices.

Execute Update:
This may appear as Realtek High Definition Audio, Intel Smart Sound Technology, or a manufacturer-specific driver in the driver list.
Click the "Upgrade" next to the audio driver item. Driver Sentry downloads the most stable and compatible driver for your exact system configuration.

Restart your computer:
Restart your laptop after the update to apply changes.
In many cases, the headphone jack starts working immediately after the restart.
Common Causes of Headphone Jack Not Working
Understanding the cause helps you choose the right fix:
Corrupted or outdated audio drivers
Incorrect default playback device
Disabled audio services
Windows audio enhancements causing conflicts
Physical dust or debris in the headphone jack
BIOS or chipset driver issues
Recent Windows updates causing driver conflicts
Fix 1: Set Headphones as the Default Playback Device
Sometimes Windows continues to output sound to the internal speakers.
Right-click the speaker icon in the system tray.
Select "Open Sound settings".
Click "Sound Control Panel".
Under the Playback tab, look for Headphones or Headset, right-click it and select "Set as Default Device".

Click OK and test the headphone jack.
Fix 2: Check If Audio Devices Are Disabled
1. Open Sound Control Panel.
2. Right-click anywhere in the "Playback" tab.
3. Enable "Show Disabled Devices" and "Show Disconnected Devices".

4. If headphones appear disabled:
Right-click them
Select Enable
Set them as default
Fix 3: Restart Windows Audio Services
Audio services may stop responding due to system conflicts.
Press Win + R, type "services.msc", and press Enter.
Locate "Windows Audio", right-click it and select "Restart".

Repeat the same steps for "Windows Audio Endpoint Builder".
Restart your laptop and test the headphone jack.
Fix 4: Disable Audio Enhancements
Audio enhancements can interfere with headphone detection.
Open Sound Control Panel.
Right-click your headphone device and select "Properties".
Go to the "Enhancements" tab, check "Disable all sound effects".

Click "Apply" and OK.
Fix 5: Reinstall the Audio Driver Manually
If updating does not help, a clean reinstall may be required.
Press Win + X and select Device Manager.
Expand "Sound, video and game controllers", right-click your audio device and select "Uninstall device".
Check "Delete the driver software for this device" if available.

Restart your laptop.
Use Driver Sentry again to reinstall the correct audio driver automatically.
Fix 6: Check BIOS and Chipset Drivers
Audio hardware depends on chipset communication.
Enter BIOS by pressing F2, Del, or Esc during startup.
Ensure onboard audio is enabled.

Save changes and exit BIOS.
Update chipset drivers using Driver Sentry to avoid compatibility issues.
Fix 7: Roll Back Recent Windows Updates
If the issue started after a system update:
Open Settings.
Go to Update & Security > Windows Update > View update history.
Select "Uninstall updates".
Remove the most recent update and restart.
Fix 8: Test with Another Headphone and Clean the Jack
Try a different pair of headphones to rule out faulty hardware.
Inspect the headphone jack for dust or lint.
Gently clean it using compressed air.
When the Headphone Jack Still Does Not Work
If none of the above solutions work, the issue may be physical hardware damage. In this case, using USB headphones or an external sound card is a practical temporary solution until professional repair is available.
Final Thoughts
A laptop headphone jack not working is usually caused by driver or system configuration issues rather than hardware failure. Updating drivers with Driver Sentry should always be your first step, followed by checking sound settings, services, and enhancements. With the fixes above, most users can restore headphone audio quickly without replacing hardware.