Cant connect to serial

What is the problem?

Cant Connect to Printer / No serial Port Found

Have you tried running in safe mode?


Did running in safe mode solve the problem?


Systeminfo Bundle

You can download this in OctoPrint's System Information dialog ... no bundle, no support!)

dont know how i can do that, i have an rasp pi 4.


Hello @Savel !

That is a link to more info too.

What printer? (80.6 KB)

Ender 3v2Neo printer

There was a sequence with a quite proper communication with the printer, but just quite.

There is a not stable communication to the printer, check for a goof, high quality and as short as possible USB cable. Als check for EMI source nearby.

Also, as this is a Creality printer, try with/without the SD card in the printer's SD card slot and also this:

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