My volume icon disppeared. Im running windows xp on a Dell desktop. when i go to control panel/sounds to click put on icon, it says, Volume Control program has not been installer. How did this program just disappear after 7 years?? someone posted to go to start, run and enter cmd which takes me to c:\documentsandsettings\myname. According to instructions it should show, c:. I can't get to the c: prompt. I have been trying to do this all day. I do have my windows xp disc. thank you