HP2311X LED monitor - no signal message

Recently bought the HP 2311 x monitor and it works fine, until tonight.  Because of the duration of inactivity, the monitor goes to sleep;  usually, it doesn't take long to awaken, until tonight.  The display shows "no signal".  Check all cable connections and all are firmly intact; went ahead and unplugged and re plugged the cables, but always, the monitor says "no signal."  Finally, the only way to awaken the monitor is to unplug it from the power supply; but immediately, it displays the message "no signal" and goes to sleep.  Any assistance that you can provide is much appreciated.  Thank you very much!

If no test doesn't work, then we know nothing.
It may be a graphic of the pc, the pc, the monitor, a cable.
You can test the monitor with another pc?
A friend, a neighbour pc PC?

Tags: HP Desktops

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