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Windows 7: Sound works on certain videos, but not others (Across all browsers)

15 Jun 2012   #1

Windows 7 Professional 64 bit
Sound works on certain videos, but not others (Across all browsers)

(I'm sorry if this has been answered before, but I couldn't think of a way to search for it)

When viewing videos on any of my browsers (Firefox, Chrome, and Internet Explorer) for some reason there is no sound for some sites like Youtube or ESPN. But if I go to (I only found this out on a fluke) I can watch all of their videos with sound. Here's the real kicker. If I try to watch something on the Media Player Classic, I don't get any sound. But if I use the VLC Player, everything works.

Now, please assume I'm not computer illiterate. I've updated my drivers, browsers, flash, uninstalled then reinstalled everything, and done all sorts of other little checks and balances. I've pulled my sound card out, checked to see if it was fried, and put it back in. Properly. I have no freaking clue what is going on, and I'm really close to just wiping my computer.

Please help.

My System SpecsSystem Spec
16 Jun 2012   #2

Windows 7 profesional

What is your sound card hooked up to? 3.5 mm audio, HDMI, etc.?
My System SpecsSystem Spec
16 Jun 2012   #3

Windows 7 Professional 64 bit

Hey, thanks for responding!

Right now I have a 5.1 Logitech system hooked into it. Just general multipurpose computer speakers, nothing fancy. They worked in harmony with my computer for almost 6 months now.
My System SpecsSystem Spec

16 Jun 2012   #4

Windows 7 Ultimate 64 bit

I had a very similar issue with the actual video's not playing...what worked for me was clearing out the browser cache. For IE try this.....

How to Delete the Contents of the Temporary Internet Files Folder
My System SpecsSystem Spec

 Sound works on certain videos, but not others (Across all browsers)

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