Check three things:
Most existing drivers for this device were compiled for 32-bit (x86) architectures. If you are running a 64-bit version of Windows 10 or Windows 11, you must specifically look for a 64-bit compatible driver variation of the underlying chipset. Step 3: Step-by-Step Installation Guide
Because the original manufacturer's website is no longer active, you must rely on archived files and compatible driver packages.
If you still have the mini-CD that came in the box, use a USB optical drive to copy the Drivers folder directly to your PC.
Upon reboot, press or F7 to select "Disable driver signature enforcement". Repeat the Device Manager installation steps. Use Compatibility Mode
Use , OBS Studio (with “Video Capture Device” source), or PotPlayer to test composite/S-Video input.
A robust, free media controller application that supports legacy analog and digital USB tuners.
Click . Click Have Disk... , then click Browse .
: The device was originally designed during the era of Windows XP, Windows Vista, and Windows 7 . Drivers for these systems are highly stable.
Locate the yellow exclamation mark next to or "USB TV Box" . Right-click the device and select Update Driver . Choose "Browse my computer for drivers" .
The Legacy and Utility of the Enter U237 USB TV Tuner Stick Introduction