Try a different USB port, preferably on the back of the PC (directly on the motherboard). Summary of Driver Details
WEP, WPA-PSK (Note: Modern WPA3 and some WPA2 configurations may not be supported by this older hardware) Why Windows 10 Doesn't Recognize It Automatically
The CT-WN4320Z is a popular, budget-friendly WLAN USB 2.0 Wireless Network Adapter, frequently used to provide Wi-Fi capability to desktop computers or to upgrade older laptops. While these devices are robust, many users face issues when trying to get them to work with modern operating systems like Windows 10.
Look for the "WLAN USB 2.0 Wireless Network Adapter" in the results. Click to apply the drivers. Troubleshooting CT-WN4320Z on Windows 10 Drivers wlan usb2.0 ct-wn4320z windows 10
Finding drivers for legacy wireless hardware can be challenging. The CT-WN4320Z is an older 802.11g/n USB 2.0 wireless network adapter. It was originally manufactured by brands like Comtrend and built using specific Realtek or Ralink chipsets. Because this device was created before Windows 10 existed, official Windows 10 drivers from the manufacturer are generally unavailable.
Search the MediaTek website for legacy USB wireless adapters (Ralink RT3070, RT5370, etc., depending on your Hardware ID). Step 3: Install the Driver on Windows 10
Because the ZD1211 chipset is quite old (dating back to 2004), finding a native Windows 10 driver can be challenging. However, various generic or repackaged drivers allow the device to function: Generic USB 2.0 WLAN Drivers Try a different USB port, preferably on the
If you are still having issues with the installation or performance, it's often helpful to mention the specific Atheros chipset revision, which can be found in the Device Manager properties.
Right-click the Start button and select Device Manager .
If the setup file fails, or if your downloaded driver is a folder containing .inf , .sys , and .cat files, you must force Windows 10 to accept the driver manually. Open again. Look for the "WLAN USB 2
Right-click the Windows button and select Device Manager .
If the adapter shows an error in Device Manager, right-click it, select Uninstall Device , then restart your computer with the USB adapter plugged in. Windows may re-install it properly.
: If the driver is only available for Windows 7, you can try installing it in Compatibility Mode . Right-click the installer .exe , go to Properties -> Compatibility , and select Windows 7 . Specification Model Comtrend CT-WN4320Z Interface Chipset ZyDAS ZD1211 / ZD1211B Standard 802.11g (54 Mbps) OS Support Windows XP to Windows 10 (via generic drivers)
Open (right-click the Start button and select it) .