I checked stretch-image and downloaded it via Win32DiskImager to the RevPiConnect.

Nothing changed. No USB/LAN power.
And I saw only 1 Error on my screen when my system was booting:
...
[ FAILED ] Failed to start Load Kernel Modules
...
Any ideas?

Hi dirk, thank you for your answer. I received your e-mail, read it and made the next step. I successfully downloaded and installed jessie.img with help of balenaEtcher program. ---------------------------------------------------------------------------------------------------------- Now I have the ...

Hi, I have a problem with RevPi Connect. One time the device did not turn on properly. The power source may have been turned off at night. Last boot - I got that my file system is only for read mode. I decided to read log (dmesg command) - [ 7801.739815] mmc0: fsm 1, hsts 1 ... [ 7801.750227] mmc0: ...