Select .
Searching for RTL8191SU drivers can sometimes yield results, but third-party forums are often more successful for legacy USB devices.
sudo apt update sudo apt install build-essential linux-headers-$(uname -r) git bc Use code with caution.
// Add CTWN4320Z USB ID static const struct usb_device_id ctw_usb_id_table[] = { USB_DEVICE(0x1d6b, 0x4320) , // example vendor/product — replace with actual IDs USB_DEVICE(0x0bda, 0x4320) , // alternative vendor mapping {} /* terminator */ }; MODULE_DEVICE_TABLE(usb, ctw_usb_id_table); driver wlan usb 20 ctwn4320z patched
Upon reboot, press 7 or F7 to select "Disable driver signature enforcement."
The CTWN4320Z is, in reality, a rebadged device. Under the plastic shell, it is almost universally based on the chipset. This is a ubiquitous, single-stream 802.11n Wi-Fi chip found in everything from cheap USB dongles to smart home appliances.
make clean make sudo make install
: Enables the device on 64-bit Windows 10/11 where the original 2008-era installers fail.
Method B: Installing on Linux (Ubuntu/Debian/Raspberry Pi OS)
You must have build-essential , dkms , and git installed. (Ironically, you usually need an ethernet connection to get these to fix the Wi-Fi, creating a catch-22). Select
You missed Step 1 of the Windows guide. You must reboot into Advanced Startup options and explicitly disable signature enforcement before updating the driver in Device Manager. ⚠️ Constant Disconnections / Code 10 Error
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