Jerry, I had the same exact problem this week. It was driving me crazy. When I touched the mute key it would send me to a microsoft web site! And the other top row keys did nothing. I don’t know how it happened, but after reading your fix just now I was able to get it back to normal. None of the other suggestions worked.
[url=http://www.moreorologi.net/tag/cartier-santos-orologi-replica/]cartier santos lady acciaio oro replica[/url]