On a Budget?
$80ish:
https://www.amazon.com/Roku-Streaming-Player-Premium-Headphones/dp/B07WVF9SL5
Treat yourself to the Flagship Roku and The Flagship Plex App in the process.
Noteworthy: The Roku is totally immune to the Current Android Meltdown.
Got an HDMI cable from the graphics card (a nice one would be nice) in the PC to the TV (and really, who doesn’t?..lol)
Plex Media Player and/or the New Plex Player are two free options. <—and Yes, either one will ‘mirror’ with the Plex app in your phone, work via mouse/keyboard or (PMP TV View) Harmony/10’ Remote system.
PMP:
Plex for Windows/Mac is at the App link at the bottom of the page.