U2414H - there is no signal from your computer

Dell u2414h connected via native miniDP-> cable of DP for my Asus EAH6850 DP 1.2 mode

It worked without problem for a week, but today I turned on my PC and I see on the screen "there no signal from your computer.

I checked the cable connection, same relit DP 1.1 mode, but all the same

My second monitor (connected via VGA) works well OK

Is there an ideas guy?

* Turn off the computer and two monitors
* Unplug the two computer screens
* Disconnect all cables to the back of the U2414H
* Press and hold the power button U2414H for 10 seconds
* Reconnect only the power cable to the U2414H

* Open the User Guide of the U2414H on page 55. Run the Test Diagnostics automatic and integrated U2414H. If they pass, the U2414H is functional

* Reconnect only the U2414H to the Asus EAH6850 computer
* Put the U2414H, then the computer. Make sure the OSD (On Screen Display) - input Source is checked properly. What appears on the screen?

Tags: Dell Peripherals

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