How to Enter to the Factory (service) Mode of Dell U2515H

1. Turn off U2515H
2. Press both the first button and the second button at same time, and then press the power button
3. Press the frist button

You can enter the factrory mode and see the status information of U2515H.

[NaderHue]

I need help. I changed something, now my monitor dont work anymore, when i turn it on, a white screen apears then the monitor turns off itself, and when i put a hdmi cable on it, the computer screen shows up but the monitor goes on and off every 5 secons. The joystick button dont work anymore, any idea how to fix it?

[hariskhan-xjwk]

I accdentially change values...how can i reset..or change...some if them cannot be...i try set some to pic u zoomed

[krusherkid]

Any idea what service mode is on a t5600?

[Reonu]

I can't do this because the power button won't work if I'm pressing other buttons at the same time :/

[ToniCastilloQ]

Doesn't work for me. When I connect the DP o HDMI cable it enter in energy mode, maybe this is the problem. Anyway, thanks!

[coolcat]

doesnt work for the up2516d. any suggestions?

[ringadu]

How do you exit the factory mode again?

[nikitas.doroshenko]

Not working for Dell S2719DGF, but still thanks for video