If you have followed this guide and still face issues, consider the possibility of hardware failure – these adapters are sensitive to heat and static electricity. However, in 98% of cases, the problem is purely software, and the solutions above will restore full Wi-Fi functionality.
Because the CT-WN4320Z is an older legacy device (USB 2.0), CNet has stopped updating the official drivers for Windows 10. However, the hardware is still functional. To get it working, you need to identify the specific chipset inside the dongle and install a compatible driver. Drivers wlan usb2.0 ct-wn4320z windows 10
Select the .inf file (often named netathrxusb.inf or similar). If you have followed this guide and still