Yes, as GJ says, check your TV's HDMI input source. Be sure you selected the right one. You may want to try other monitor too.
_________________________
Jim

SD90,Korg I3, KMA Liverpool,TC Helicon Play Electric, Fender Sonoran Guitar, vArranger, Bose S1 Pros, Bose L1 Compact, Aiwa Exos-9