https://www.soliforum.com/topic/19760/dup20-usb-trouble-after-flash/ Fri, 07 Mar 2025 10:15:38 +0000 PunBB https://www.soliforum.com/post/157212/#p157212 Hi, also newbie here, did you get this sorted yet. I have the same problem.

]]> Fri, 07 Mar 2025 10:15:38 +0000 https://www.soliforum.com/post/157212/#p157212 https://www.soliforum.com/post/157112/#p157112 Hello, I received a DaVinciDuo2.0 as a gift and wanted to flash it with the Repetier software so that I can also process normal filaments.
So far so good.
I followed the instructions to upgrade the printer to Repetier-Firmware-0.92 based for Da Vinci printer.
So reset via J37 and so on.
But after finish an the reset the Printer, my Windows computer no longer recognizes this COM port and I get the error ‘unknown device’.
Is this a known error, who can help?

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