i m facing this strange problem...once i switch off my computer for more then 24 hrs and i switch it on cpu sounds the beep but monitor just just shows a dash blinking...then i tried to switch it off aand start again it does not start at all..no beep..no light in keyboard...nothing. now the strange part..after 24 hrs or so when i start it again it again beeps and keyboard shows lights but it still wont startr..well i try to start it again..it goes off again..any help guys..