No its Windows 7 games

Hello

I use a computer laptop windows 7 that works perfectly until a few days ago.

I bought a DVD of Perception of danger and would not play any video clips.

I thought it was a codec problem, so I set about installing the codec K Lite and Windows 7 pack that did not help.  My sound worked up to this point.  Finally, I gave up on the DVD and uninstalled the codec packs, thinking that they are no longer needed.

I have now no sound playback.  I went through the online troubleshooting tool and through the troubleshooter and nothing works.

I installed a piece of software that tells me that the following two codecs are missing but are they audio associates and if yes how to do them?

DSH no MainConcept Stream Analyzer {DEE56715-7081-4D57-91A7-984AE2712268} 0 x 00400000 * missing file: C:\Program Files (x86)\DivX\Codecs\mc_demux_mp2_ds.ax

DSH no MainConcept MPEG demultiplex {136DCBF5-3874-4B70-AE3E-15997D6334F7} 0x00400000 * missing file: C:\Program Files (x86)\DivX\Codecs\mc_demux_mp2_ds.ax

Help, please

Hello

Thanks for posting your query on the Microsoft Communities.

I can understand that you feel upset and we will work to fix this problem for you.

The missing codecs are related to video DivX software that you have installed and should not affect the overall sound on your laptop.

1 are you facing the audio issue only on video software or with the entire audio on the laptop?

2. What is the brand and model of the laptop?

If you are not able to hear the audio completely on the laptop, then first of all we must check the status of the audio driver from the Device Manager.

a. press Start, type Device Manager don't start of search and choose and Device Manager.
b. under Audio inputs and outputs, right click on the audio device and click Properties to check the status of the device for any error.

Follow these methods and check if that helps:

Method 1:
Follow these steps and check if that helps:
> Right click on the speaker icon in the taskbar notification area, and then select the playback device.

Is your sound card in the list?

> If you do not find the speaker listed, then, in the space empty, right-click and select the two disconnected/disabled display devices.

You see icons for your speakers now?

> If you see now, you may have to right click on the audio device and select "set as default device".

Method 2:
If this does not help, reinstall the audio drivers from the manufacturer's Web site.

a. first of all, download the audio drivers from the manufacturer's Web site.

b. now press Start, type Device Manager don't start of search and choose and Device Manager.
c. under Audio inputs and outputs, right click on the audio device and choose Uninstall.

d. follow the instructions on the screen and restart the PC.

e. now, install the audio driver.

Let us know the result. If you have any other questions, we will be happy to help you.

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