My server motherboard has no parallel port. I bought a parallel port expansion card and installed a multi-function card driver. But it still can't be used when the dongle is plugged in. Does the dongle have to install another driver? Ask experienced seniors to provide an effective solution
Click menu in device manager
View - display hidden devices, then click "non plug and play driver" in the device list to search for files related to your dongle driver, right-click and select uninstall.
Look in the installation file of the software you want to use the dongle to see if there is a dongle driver. I used to
First Aid Centre
That's what happens when you install software. Forget what software it is.