DPMS (Display Power
Management
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Signaling) is a standard developed to save energy and maximize the
useful life of computer displays. By switching the horizontal and
vertical sync lines on or off, a DPMS compliant video card provides the
capability to place the monitor into one of four modes (Normal, Standby,
Suspend, Off).
Each mode puts the display into a different powered
state from fully powered up, to the Off mode. In the Off mode, only a
small auxilliary circuit is running which monitors the horizontal and
vertical signals to wake up the monitor.
Thanks. You right about the video card. However I tested it with another monitor. It works fine. So something actually happened with the "Stand by" or "Power off" mode of the Hyundai monitor! Is it still possible to trouble shoot it?
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