Display not working!!!?

-Current is passing through the smps and the light on the motherboard is also on. But after that the current is not distributed. My computer can be switched on but nothing shows on the monitor and even the Power lights are not switched on. The Processor is working fine but the only problem is the display.... Please help me!!!display not working problem .:1.check or chang vga for test. 2.the processor is crash(for check it the pc have 1 beep after power on and if the power on pc and nothing beep .the problem is 100% is processor) 3.check or chang ramUnplug your VGA plug form your Cpu and plug it again.