If the TV does not recognize the adapter, you need to update the TV’s firmware—this overwrites the driver database.
. Because this hardware is largely discontinued, finding "complete content" drivers requires looking at both original PC software and modern workarounds for newer operating systems. 1. Windows Drivers
If you use , this is the easiest path. The kernel includes open-source drivers for Ralink RT2870 ( rt2800usb ). In most modern distributions, the adapter will work immediately upon plugging it in, with no driver hunt required.