If you download a driver package that contains only .inf and .sys files (no .exe ), follow these steps:
CT-WN4320Z USB 2.0 WLAN Adapter is a legacy Wi-Fi dongle (802.11g) manufactured by
Note: Windows 10 might display a warning stating that the driver is unsigned or not verified for this version of Windows. Click to proceed. Troubleshooting Connection Issues on Windows 10 Drivers wlan usb2.0 ct-wn4320z windows 10
If the setup file throws an error during installation, use Compatibility Mode. Right-click the driver setup executable file ( setup.exe ). Select and navigate to the Compatibility tab.
, and choosing "Run this program in compatibility mode for Windows 7". Driver Scape 3. Manual Installation Steps (Windows 10) If you download a driver package that contains only
Select from the list of device types and click Next . Click the Have Disk... button in the bottom right corner.
While Windows 10 is excellent at automatically detecting and installing drivers for many modern peripherals, it often struggles with older hardware like the CT-WN4320Z. The built-in driver database lacks a specific, digitally signed driver for this legacy device. Consequently, when you plug in the adapter, the operating system may not recognize it, or it might appear in as an "Unknown device" with a yellow exclamation mark, indicating a driver problem. Right-click the driver setup executable file ( setup
In , right-click your WLAN card and select Properties . Go to the Power Management tab.