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My pc has stopped making any sound at all,I think I might have some problem with the audio controller, but I don't know what to do.
This is the sound summary:
Sound Chip Vendor - Intel Corporation
Sound Chip - 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller
AC'97/HDA Codec Name - C-Media Electronics CMI9761
Codec Enhancement - No 3D Stereo EnhancementIs there anything that I could do?

I tested my sound like you said.
It's says this under notes:
Results : HRESULT = 0x88780078 (no controller)

I googled HRESULT = 0x88780078 there are a number of results for your problem. I am not able to definitively suggest the solution - sorry.

I googled HRESULT = 0x88780078 there are a number of results for your problem. I am not able to definitively suggest the solution - sorry.

Have you looked into the BIOS. And looked to see if the audio service is running.
Devmgmt.msc also doesn't your sound card have alsndmgr.cpl have a look at that. Don't give up yet

start > rt clk "my computer" > properties >
hardware tab > device mangaer....scroll down to "sound,video and game controllers and look for any yellow '!' or red '?' marks. If not dble click to open the controller screens and then see if the audio controller is listed...If there is no audio controller then you should try to re-install the driver for it.Look at the computers manufacturer's website and look under support/downloads for your model and then drivers. There should be the audio drivers for your operating system.
Download them to your desktop and close out all other applications. Dbl clk the file and it should start the self installation...when finished reboot the computer and windows will find the new hardware and install the new drivers for it!
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OpenGL problem (I think)
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stop error 7B inaccessibl...
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