Why didn't my video play sound?

I had a friend give me episodes of tv shows on a flashdrive and I put them into my computer but when I play them with windows...

ok, my camera is a pink digital concept camera and when you record a video and go to play it back no sound appears. I do not ...

why ., I cant play youtube videos on opera ? it says : Hello, you either have JavaScript turned off or an old version of Ado...

I have to make a video of a school trip I recently went on and I was wondering where to get sounds to suit different moods? Y...

I need help with my camera, it is a Olympus Fe- 130 camera, and I have a project where I have to take a video with sound, so ...

I am getting a serious lag in the videos I download on my wife's laptop. The video on Itunes is playing choppy and slow. I ...

For some reason, my videos won't run as videos once I save them as a movie. They just run as pictures, and Very fast picture...

Its very frustating, but the best videos you can never watch it in your mobile phone why is that?

When ever I upload videos from my camera to my computer it always puts them in pictures not in videos and then when I try to ...

when I play a video in my pc , it's very vey dark ,, sometimes I cant see people's faces ,, what is the problem