Reading insignia help forums, if an hdcp issue the display should just show a solid blank screen. No signal is believed to be the player itself.
Have you tried the player on someone else's tv to check the player does work?
Have you tried another hdmi cable?
Try hdcp reset by turning both tv and player to standby. Disconnect hdmi cable at each end, leave be for 30seconds. Reconnect hdmi cable to both tv and player and turn on just the player, give it a bit to bootup before turning tv on. If that doesn't work try the reverse, tv on before player.
If player does indeed work then see here. Towards the end talking about hdmi splitters.
https
/www.google.com.au/amp/s/www.howtogeek.com/208917/htg-explains-how-hdcp-breaks-your-hdtv-and-how-to-fix-it/amp/