I managed to get necessary files.
I have display now, everything seems ok .
Thanks for he help....

I have one Thinkpad yoga gen 5 without display, no backlight, mothing, solid status/charging led, warm cpu and all voltages correct. Also no hdmi display.
I need a bios and mec dump. I have downloaded a few from here and other sources, but no succes with bios. I found some mec dump but now no power at all after mec erase. Also I have no mec dump...

Thinkpad X1 yoga gen5
Type 20UB-005GMZ
Serial: PF-2KCP87
Board : NM-C881

MEC1663