i tried to clean it gave it heat of sun and refitted it but it is still doing the same thing i connected the monitor and same vga cable with another cpu and it worked and then i connected the monitor and same vga cable with my cpu again but this time i took the card out of cpu and connected the vga cable with another slot of vga in cpu and it is working without graphic card with which i am posting this post and posted last time so what do i do?please help me