no sound on youtube

I can play CD's and Itunes, but there is no sound with any youtube video. There is also no sound using IE.
This was a recent development. It was working.
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hsmith061297Connect With a Mentor Author Commented:
I knew that there was a way I got this to work last time..

By changing sound playback option on the Audio tab from " Modem #0 Line Playback" to the Audio device.
I was able to obtain the same audio device under the "volume" tab. Now youtube works. I will see if I can give some credit for your time.
pr0t0c0l12Connect With a Mentor Commented:
If you are in Vista:
Check the sound settings.  Right Click on speaker on your task bar.  Open Volume Control.  Go to Advanced Properties.  There just make sure that the wave volume is in a reasonable place and that Internet explorer is not muted.  I have seen causing problems.  Make sure those controls are running all at your desire.  
Hope this helps you.
pwrBallConnect With a Mentor Commented:
On IE7 under tool's go to advanced tab scroll down till you see "play web page sounds" check box, click apply.

You could also try installing Firefox and see if the same problem occurs in that browser.

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DaydreamsConnect With a Mentor Commented:
Greetings hsmith!

Check the sound on the flash player at Youtube; it's on the right on the bottom. Hover your mouse and see if it's up or down; it will remember the position so make sure you slide it all the way up.
hsmith061297Author Commented:
Daydream - The volume was the first thing I checked. It was in the maximum position. PwrBall - as per my statement I am using Firefox. I did try it with IE and that did not work either. Ptotocl12 - the interesting thing is that under Volume in Sounds and Audio Devices it says "No Audio Device". This is XP so I assume that similar to Vista sound control.The control panel has a icon call soundMax. I tried to run the install several times. The install program indicates install complete but it still says "No Audio Device". Note that this is an older rebuilt computer with externally powered speakers. Hope this helps.
phototropicConnect With a Mentor Commented:
Are there any "?" or "!" signs in Device Manager?  It sounds like a driver issue...
pr0t0c0l12Connect With a Mentor Commented:
Not a driver issue because it used to work.

Do you have sound in any other places? Can you play music?
pwrBallConnect With a Mentor Commented:
What make/model sound card?
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