no audio output device is installed!

Hewlett-packard / Compaq presario f 700
July 23, 2010 at 05:48:21
Specs: Windows Vista 32, 1.94 gb
I have Hp Compaq Laptop, my sound card is not working anymore. It says no audio output device is installed. Unfortunately, there is no "sound, video and game controllers" in device manager, and also my sound device is not seen in device manager. My sound appeared a few days ago, but after a restart it has gone again. I don't know what to do! Please someone help me.

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July 23, 2010 at 06:12:00
try to re-install audio driver.

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July 23, 2010 at 06:18:39
Boot the laptop into the setup screens and verify that the sound has not been disabled there. If the sound is enabled in the setup (BIOS) then as stated above, install the sound drivers. Get them from the manufacturers site, if they are available.

Did you install a different version of Windows than what originally came on the laptop?

I can't speculate on why the sound would come and go.

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July 23, 2010 at 07:17:47
I've tried do reinstall the driver but it says could not find media device for this driver.

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July 23, 2010 at 07:20:09
Did you try looking into the BIOS (setup) screens as I suggested above? Two suggestions, one response?

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July 23, 2010 at 08:20:45
I went to Bios but could not see my sound card, where should it be seen?

By the way, firstly my wireless has gone and I couldn't fix it, then I bought a usb network adapter. Then, one day, wireless suddenly appeared, after that my sound has gone. But as a conclusion, both wireless and sound is not working anymore.

Do you think the problem may be about both wireless and sound? I don't care about my wireless anymore, but I really want my sound back.

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July 23, 2010 at 08:36:45
Are you running the same version of Windows that came on the laptop?

I can't say where the listing for sound would be in YOUR BIOS screens because there are many different versions of BIOSes.

Just browse by clicking on each listing, one by one to expand each one. If you do not make any changes you don't need to worry about buggering things up in there.

If there is a setting for integrated peripherals look there. Laptop BIOSes are more limited than their desktop equivalents.

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