Interactive fix flowchart
TV says no signal
Fix TV no signal, HDMI not working, wrong input source, cable box problems, game console no signal, laptop to TV issues, and blank screen problems.
All fixes in this guide
Fix: TV says no signal on HDMI
A TV usually says no signal on HDMI when the TV is on the wrong input, the HDMI cable is loose, the connected device is off or asleep, or the HDMI port/cable is failing.
Fix: Cable box says no signal on TV
A cable or satellite box no signal error usually means the TV is on the wrong input, the HDMI cable is loose, the box is off, or the box needs to restart.
Fix: Game console says no signal on TV
A console no signal problem is usually caused by wrong TV input, loose HDMI, display resolution mismatch, HDCP issue, or console sleep/power state.
Fix: Laptop to TV says no signal
A laptop-to-TV no signal issue usually comes from wrong TV input, display mode settings, bad HDMI cable, USB-C video support problems, or the wrong adapter.
Fix: Streaming stick or box says no signal
Streaming sticks and boxes usually show no signal when the TV input is wrong, the device is not powered properly, the HDMI extender is loose, or the device is frozen.
FAQ
Why does my TV say no signal?
A TV says no signal when it is on but not receiving video from the selected input. Common causes are the wrong input source, loose HDMI cable, sleeping device, bad HDMI port, or an adapter that does not work in the needed direction.
What should I check first when my TV says no signal?
Check that the TV is on the correct HDMI input, reconnect the HDMI cable at both ends, and restart the device connected to the TV.
Can a bad HDMI cable cause no signal?
Yes. A damaged or low-quality HDMI cable can cause no signal, flickering, black screen, or dropouts.
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