Windows 7 lacks the native "in-box" drivers for the CH340 chip that Windows 10/11 has. This is actually .
Right-click the device, select , and choose Browse my computer .
The Goldcut JK-Series, particularly popular models like the JK721, remains a reliable tool for vinyl cutting enthusiasts, though its age can make setting it up on operating systems like Windows 7 a bit tricky. Because the manufacturer no longer actively supports these older models, users often need to follow specific manual installation steps to ensure the cutter communicates correctly with their software.
: Check your Device Manager under "Ports (COM & LPT)" to see which COM port (e.g., COM3) the CH340 chip is using.
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