Error Ftdiun2k.ini Not Found

[Hedvig Horning]

Manypeople have experienced issues with their Ender 3 not connecting to their PC, as well as not detecting it at all. This article will go through different fixes that have worked for various users to get a proper connection.

If the printer throws an error after it has been steadily working via a USB connection, a hard reset can resolve the issue. These connection issues can arise from failed prints, power cuts, and all other forms of print interference.

Open the printer software and connect the Ender 3 and the PC once more with a USB cord. Try and establish a connection again. It might not work for all users, but it did work for one user who was having this issue.

Checking your USB ports for bent pins and straightening them out can lead to your PC and Ender 3 finally connecting. Due to the user or manufacturer error, the pins in the USB ports can sometimes get bent, leading to faulty connections.

You can fix this by shining a light into the USB ports to inspect them for any broken or bent pins. If you find some bent pins or a blockage, you can use a thin tool like a tweezer to make them right again.

They uninstalled Cura, deleted all its save files from the Program Files folder on Windows, and re-installed it. This process was able to fix the connection issues. You might be able to keep your configuration files and saved data, so see if it works for you.

These issues happen because the bootloader takes longer to load, and the USB connection times out before it can finish loading. This is why many users always complain about these issues after upgrading their firmware.

Michael Dwamena is the founder of 3D Printerly, a platform dedicated to simplifying 3D printing for hobbyists and professionals alike. Owns over 20 3D printers (filament and resin) and has plenty experience 3D printing. Michael has authored over 900 articles, helping millions navigate the exciting world of 3D printing.

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