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HP Laptop PC 15t-dw300 CTO

Recently my audio input stopped working. People in the meeting was not able to hear me irrespective of software (zoom/google meet/teams). I ran a test on the audio in which sound output is working (I can hear the test sound), but sound input is failing. Input in any form is failing (build in mic/3.5mm jack microphone/Bluetooth). I update the audio drivers but still the problem persists. Any help please?

HP Recommended

Hi @Anandh1,


Welcome to the HP Support Community


I understand you are facing an audio-related issue with your HP product. Not to worry I will help you to get a resolution to resolve the issue.


To assist better:

  • Was there any recent update on the PC?

While you respond to that please try the below steps:

Please try the following Troubleshoots steps.

Step 1


1.    Turn off the Unit.

2.    Disconnect the AC adapter.

3.    Remove any discs from the disc drive.

4.    Remove memory cards from the card reader slot.

5.    Disconnect all nonessential peripheral devices, such as printers, scanners, external hard drives, and USB flash drives.

6.    Disconnect the AC adapter press and hold the power button for approximately 15 seconds.

7.    Reconnect the AC adapter, and then turn on the computer.

Step 2

Turn off the unit and please press and hold the Windows key + letter B key and the power button together for 30 seconds after 30 seconds, 1st release the power button but keep holding the Windows key and B key for ten more seconds and then release these two keys If done correctly, you will see the display flashing once. Please attempt it thrice as this step and  Restart the unit


The unit has to be turned off, Press Win+ V while holding these two keys then Press the Power button, continue to hold all three keys for 30 seconds and then release the Power button first and then release these two keys Please attempt it thrice  and then you may get a Pop-Up CMOS Check and it will restart the unit 

Even if you don't get a Pop-up restart the unit manually after 3 attempts.

Update the BIOS, & Audio drivers:

  • Here's the link to download and install the above updates: Click here
  • click  here and follow the troubleshooting steps

While you respond to that, here's what you need to do:

Step 1: Right-click on the Start button in the taskbar area and then click Device Manager to open the same.

Step 2: In the Device Manager, expand Sound, video, and game controllers.

Step 3: You should now see your audio driver's name. Most likely you have Realtek High Definition Audio, Right-click on it and then click Uninstall device option.

Step 4: You will now get the following confirmation dialog. Select Delete the driver software for this device checkbox and then the Yes button when you see the confirmation dialog to go ahead and uninstall the device driver.

Restart your PC once & it should auto-reinstall a working driver.


If the issue with the sound continues, The best way to resolve the issue is by using the HP Support Assistant: 


Please check and update Windows and HP support assistance drivers 


And update Bios and other drivers please click on the link. to update the drivers. 


Hope this helps! Keep me posted. 


Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!


Take care and have a good day.
Gaya1239 – HP Support.
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.