Over the last 72 hrs, my computr decided it doesn't have a sound system??? [View all]

I couldn't get my computer to play any Youtubes today. Since the youtubes site had played several youtube music videos for me Friday the 14th of Nov, this is confusing.

I went into control panel, found the sound icon, and clicked. I saw that my volume had been turned down, by looking at a volume meter.

I might hve done tthat late Sat night so as to not keep other people up in the household.

But when I clicked through the rest of the sound tabs, tryng to maximize the volume setting, I was told I don't have any sound devices connected to my computer. What gives?

I have a reliable Windows XP, and with the exception of my adding the Ad Muncher program to it about ten days ago, everything should be operating the same way it ws late Sat or early Sudnay Am. (As nothing has been done to my system since adding that Ad muncher thing-ee.)

Any help appreciated.