If Windows Update finds a driver, it will install it seamlessly. If it fails, proceed to the manual installation steps below. Step 2: Download and Install via Compatibility Mode
Because Comtrend is a legacy manufacturer, official support pages are often unavailable. You may need to use reputable third-party driver repositories:
Once the driver is downloaded, follow these steps to install it:
You can find the drivers on driver distribution websites like DriverScape . Drivers wlan usb2.0 ct-wn4320z windows 10
Since the manufacturer’s website for "CT" (likely a local/regional brand) is often defunct or hard to find, you need to use the generic Realtek driver.
Even after following the steps, you might encounter problems. Here are solutions to common issues:
Look through the list for or Other devices . You will likely see an item with a yellow exclamation mark labeled WLAN USB2.0 , CT-WN4320Z , or 802.11g Wireless LAN . Right-click the device and select Update driver . Choose Search automatically for updated driver software . If Windows Update finds a driver, it will
Once you know the Vendor and Product IDs, you can find a compatible driver. Method A: Use Microsoft Update Catalog (Recommended)
Look for a file named zd1211.inf , netzd1211.inf , or similar chip-specific configuration files. Select it and click , then OK .
Go to > Advanced options > Startup Settings > Restart . You may need to use reputable third-party driver
The CT-WN4320Z is a legacy Wi-Fi adapter with specific hardware that can sometimes make finding drivers tricky:
Open and find your WLAN adapter under Network adapters. Right-click it and open Properties . Go to the Power Management tab.