Quote:
Originally Posted by Renate
Ok, first thing to check, do "devmgmt.msc" (Device Manager),"Universal Serial Bus Devices", probably called "QUSB_BULK". Do you see that?
Right click, "Properties" > "Driver". Does it all look good?
If there is no driver, check out "Zadig" a universal driver for such things. You just select, "Install driver" and it works.
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The only thing I mentioned earlier was the PCI Serial Port having an exclamation mark. I also tried Zadig earlier as well after some error promoted I install it (before you provided your app). But take a look for yourself.
https://imgur.com/a/ELnqwKD