help!! hope this in right section. my windows media player will play sound perfectly but the screen is black. it doesn't flicker. just pure black. this is for watching videos on websites. i deleted wmp and downloaded a new one. i deleted cookies and temp files. i got rid of video acceleration. i restarted computer lots of times. even turned off firewall. it was working fine. not sure what i did to break it!! any suggestions welcome. thanks for help.