Try a different USB port (preferably USB 2.0 rather than 3.0).
This “patched” driver compiles against your current kernel, adding back support for CTWN4320Z.
: Apply it to the driver source.
Once you have this, I can provide the exact steps to fix it. Wi-Fi dongle ct-wn4320z - Raspberry Pi Forums driver wlan usb 20 ctwn4320z patched
Does the device appear as or under "Network Adapters" ?
The stock driver from 2012–2015 worked on Windows XP, Vista, and 7. However, Microsoft’s driver signature enforcement updates in Windows 8, 8.1, and 10 broke compatibility.
To understand why a patched driver is necessary, you must first look at the underlying hardware. The designation "CTWN4320Z" typically refers to a specific vendor-subsys implementation built upon a foundational Realtek or MediaTek (Ralink) reference design. Try a different USB port (preferably USB 2
If you want to fine-tune your installation, please share (Windows or specific Linux distro), the chipset number if known, and whether you need it for standard internet access or network security testing . Share public link
: Historically, users found success by downloading the drivers for the Planex GW-US54GZ
Disclaimer: Installing modified or "patched" drivers is done at your own risk. Always create a system restore point before attempting to install unofficial drivers. Once you have this, I can provide the exact steps to fix it
If you are using this adapter on Linux (like Raspberry Pi or Ubuntu), the driver is often already included in the kernel. You just need to install the firmware. sudo apt-get update sudo apt-get install zd1211-firmware Use code with caution. After installation, unplug the dongle and plug it back in. Troubleshooting "Patch" Failures
Move the physical dongle from a blue USB 3.0/3.1 port to a black on the back of the motherboard. Technical Specifications Overview