Simple Help In Samsung 19"

Dear Sir's

I Have a 19" Samsung Monitor PG19HS It Has a Strange thing
When You Power it On From The On Switch It Gives You The Computer Picture For 1 Second And The Power Led Is Green The It Switches Of And The Power Led Flashes Between Red And Green At High Speed.

If You Switch It Off And On Again It Do The Same Error.

I Try It On Many Pc's But The Same Error.

Is Ther Is Any One Can Help.

Eng. Amgad