dejanco

Another psu won’t help, since ec firmware limits the power consumption. You could undervolt the cpu and remove all devices that need power to get the maximum overclock for the 780m.

I got it to work at 90 hz. But is this very unhealthy for the screen?

Die you find a Solution? I had the same Issues. In the end it was my bios chip which had to be repaired/replaced

Never heard of it! Must test this. Ty!

Thanks for sharing :)