i buy a new monitor samsung syncmaster SA300 i also using ATI radeon but its said check signal cable but when i connect my old monitor its ok.. whats the problem?
It could be an incompatible resolution. Connect your old monitor and change the resolution to 800x600 and then connect your new monitor and see if it works.
It could be an incompatible resolution. Connect your old monitor and change the resolution to 800x600 and then connect your new monitor and see if it works.