"Here’s the trick," she narrated. "We have to pick from a list of drivers. We tell Windows it’s actually a 'USB-SERIAL CH340 (COM3)', even if it argues."
"It’s the classic CH340 chip issue," Sarah said, her fingers flying across the keyboard. "Windows 10 doesn’t natively trust this driver. We have to force-feed it." redsail cutting plotter software installation
After installation, don't just assume it works. Run this diagnostic routine: "Here’s the trick," she narrated