Hello scruss, i have tested with 3 different power adapters (1,5A, 2A and 2A), 3 cables, 2 different SD cards (SAmsung and Makespot) and reinstalled OS from scratch on both, 2 different model/age computers (desktop and laptop). And as soon as you get "good" RPi zero, everything works in any combinat...

Forgot to write, that USB port on "bad" RPi is working, as if connect without SD, windows detect "BCM2708 Boot".

Regards, OB

Hi admin0387, i did according to your advise - used static configuration. Although i think we are dealing different problem here, as my Windows do not react to RPi at all util i change it to other RPi (switch SD card to other device). Apart that "bad" RPi works as intended. Below is dmesg from lates...

This is not cables or user updated microcode (unless factory batch), as i have similar issues, which i do not have as soon as i put the SD card to another Pi zero from different batch.

Regards,
OB

Hi, i have no solution to problem, but experience similar issues. The only thing i found out, that if you try other Pi Zero, it might work right. The one i have got via Amazon UK from Pimoroni does not work as intended. The other i have got from US seller works perfectly. Bellow few dmesg fragments ...