Troubleshooting Guide: Audio does not work after a Certain period of time

Hi all

Thank you for choosing the HP Forums!

If your sound recently stopped working on Windows 8.x or Windows Server 2012 and you suspect an update of Windows is involved, then look like! This is the troubleshooting guide that will explain how to solve the problem!

Explanation:

Currently, there is a Windows update that may cause the sound on your computer to stop working. The update is KB2962407, and it is now an "Important" update This means that it will be installed by Windows Update unless hide you it.

This thread also covers generic sound troubleshooting which can solve the problems of "no sound".

Before the update itself, since an update of Windows cannot be the culprit, there are a few troubleshooting can be done.

A round of troubleshooting:

1. run the Audio Troubleshooting in Windows 8 may solve the problem. It does not contain the possibility of eliminating any parameter that affects sound. Here are some steps on how to perform this troubleshooting:

(a) hold down the key "Windows" and "R" and type "Troubleshooting" and then press ENTER.

(b) a window will open. On the left, click on "Show all", then "Audio playback".

(c) click on 'Advanced' and run it as an administrator. Then click on 'Next' to complete the process.

2 try to create a new user account. The changes forced by the update that is likely to affect only a single user. This HP document shows you how to create a new user in the section "creating a new account in Windows 8": users and connections (Windows 8) account management

3. try a pair of headphones or external speakers. This is set by the whole issue if the sound does not work via an output of second or third device.

4. an alternative is to uninstall the driver manually and then force to be installed again:

(a) open the Device Manager and go to the section "audio, video controller and game."

(b) make a right click on your audio driver and select "Uninstall".

(c) restart the computer. This will force the material to write a new driver at startup.

5. Finally, to ensure that the remaining steps that you have not tried this document are tempted: no sound from speakers (Windows 8)

New inclusions:

Deactivating and activating the audio driver has been tested with success results enough for me to post here. Here are the instructions to do this:

(a) open the Device Manager and go to the section "audio, video controller and game."

(b) make a right click on your audio driver and select "disable."

(c) wait a minute, then right-click on it and select 'enable '.

Also, the restoration of the system is also a valid troubleshooting step. This will return the computer to a point before the update or an external source of the issue has occurred. Here is a document on how to perform a system restore: System Restore

If you want something strong, an update of Windows completely refreshes Windows 8, without affecting the files: refresh your PC to solve problems (Windows 8)

Also, this is a sound of Windows troubleshooting tutorial. Just out of curiosity, I've recreated the problem on a Windows 8 and went through this tutorial. He has been able to solve the problem: no sound in Windows

*Everything in italics is currently untested, but will be tested as soon as possible. I believe that these steps will help:

In the search bar, type "services.msc" and press ENTER.

Hold down the 'Windows' and 'R '. Type "services.msc" and press ENTER. Look for the following services:

-Audio service

-Windows audio

-Windows Audio endpoint Builder

I want you right click on each of these services and select "Stop". When they all stopped, right-click on each other again and select 'start '. So, make sure that the status of each service is "started" and their startup type is "Automatic".

Troubleshooting of the update:

At this point, unless you want to reinstall the operating system, the only other option is to tackle the update, KB2962407. Please note that the following troubleshooting is ONLY a workaround, for now and should be done only if the computer has installed this update.

First of all, you can try the hotfix package content in this document from Microsoft, specifically at the KB2962407 address: RT of Windows, Windows 8 and Windows Server 2012 cumulative hotfix: June 2014

If that doesn't help, then uninstall the update of Windows and then hide it, are the only way to eliminate the question if she caused by this update. Here is the procedure to uninstall the update:

1. go in Control Panel, then click on "programs and features".

2. click on "view installed updates". Look for the update with ID KB2962407.

3. right click on the update and select "Uninstall". Restart the computer.

Then, here is the procedure in order to hide the update:

1. go in Control Panel, then click on "Windows Updates".

2. click on ' Check for Updates '. When the process is complete, is expected to find important updates available. By clicking on the message will open a window where is the important updates.

3. right click on the KB2962407 update and select "Hide update". This will prevent the installation update next time that Windows updates are installed.

Conclusion:

At the end of this guide, you will have the sound works again (assuming that the cause was the update of Windows, or the less focused on the software). Please let me know if you have any questions or concerns. Thank you!

Mario

I worked on behalf of HP.

@Charlton26 ,

As @vhawk1 recommended, please give my long post suddenly. You should have a positive resolution when you are finished. These steps are tested and solve the problem

And @vhawk1 , thanks for getting the word

Mario

Tags: Notebooks

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