I have been unable to turn on my Dell U2515H at all. It's Power LED indicator is totally dark.
I have a dual Dell U2515H monitor setup so I have used a working Power Cable from my other working DELL U2515H and still there is absolutely no response when I turn on the power (normally it should blink a faint white), or any response when I touch the power button. I have nothing connected to the monitor i.e. I disconnected all wires apart from the power cable, just to get it to even switch on, but failed :-(
Can anyone help please? The Dell U2515H is an absolutely beautiful monitor, but only served me 2yrs+, that's really too short a time for a high quality monitor.