HDMI ports overview
Most Vizio TVs have 3-4 HDMI ports:- HDMI 2.1: 4K @ 120Hz, VRR, ALLM (for PS5, Xbox Series X)
- HDMI 2.0: 4K @ 60Hz, HDR10, Dolby Vision
- HDMI ARC / eARC (usually HDMI 1): audio to soundbar/receiver
Connect a device
1
Power off both devices
Turn off the TV and source device before plugging in.
2
Choose the right port
Use HDMI 2.1 for next-gen consoles, HDMI ARC for soundbars.
3
Connect the cable
Plug a high-speed HDMI cable firmly into both devices.
4
Power on and select input
Turn on the TV, then the device. Press Input on the remote and choose the correct HDMI port.
HDMI ARC (soundbar)
1
Connect to HDMI ARC
Plug the soundbar’s HDMI OUT (ARC) into the TV’s HDMI 1 (ARC) port.
2
Enable CEC
Go to Menu > System > CEC and turn it On.
3
Set audio output
Navigate to Menu > Audio > Audio Output and select ARC.
Troubleshooting
No signal
No signal
Reseat the cable, try a different port, or use a different HDMI cable. Power cycle both devices.
4K or HDR not working
4K or HDR not working
Use an HDMI 2.0/2.1 port and a Premium/Ultra High Speed cable. Enable 4K + HDR in the source device’s video settings.
CEC / auto-input not working
CEC / auto-input not working
Enable CEC on both devices. Reconnect the HDMI cable to force a fresh handshake.
Audio but no picture (or vice versa)
Audio but no picture (or vice versa)
Switch inputs and back to refresh HDCP. Verify audio output settings.
Console quick setup
- PS5: Settings > Screen and Video > Video Output > 2160p, enable HDR + VRR.
- Xbox Series X: Settings > General > TV & Display Options > 4K UHD, enable 120Hz + VRR.
Independent guide, not affiliated with Vizio, Inc. For official support: support.vizio.com. PS5, Xbox, Fire Stick, and Roku are trademarks of their respective owners.