Quick Answer: Why Does My TV Have No Signal?

How do you fix a computer that turns on but no display?

How to Fix a Computer That Turns on but Displays NothingTest your monitor.

Verify that your PC has completely restarted and is powering up from a completely powered off state.

Troubleshoot the cause of the beep code if you’re lucky enough to get one.

Clear the CMOS.

Verify that the power supply voltage switch is set correctly.

Reseat everything possible inside your PC.More items….

What do you do when your Sony TV says no signal?

If your antenna, cable, or other source device is not properly connected to your Sony Smart TV, this will trigger the NO SIGNAL message. Make sure that all the cables are plugged in to the right ports. Change the channel and try a different source or device. Confirm that the source device is on and working properly.

How do you fix a Samsung TV when it says no signal?

I was having the same problem. I reset the TV to factory and no solution….Try this Krystal:Disconnect all HDMI sources from the inputs.Unplug the power from TV/LCD for 10 minutes.Plug the TV/LCD back in.Connect the HDMI cable one device at a time.Turn on the device (ex. PS3).Repeat steps 4-5 for each HDMI port.

How do I fix no signal?

Turn off your computer.Unplug the cable running from your monitor to your PC and plug it back in, making sure the connection is firm. … Reattach the cable running from your monitor to your PC. … Replace your monitor with another monitor if possible. … Open your PC case and locate your video card.More items…

What does no signal mean?

“No Signal” is a message coming from your display device (not from your computer), indicating it has nothing to display. … The reason for the confusion is that the message doesn’t come from your computer — it comes from the computer’s display. And on top of all that, it might or might not indicate there’s a problem.

What does HDMI no signal mean?

If you’re getting TV or monitor no signal issues when you connect them to your PC via HDMI ports, don’t worry. … The No Signal message means that the TV or monitor isn’t getting any input from the currently selected source.

Why does my monitor keep saying no signal?

If Monitor Displays “NO SIGNAL” or “SELF TEST” – this means that your computer monitor is working properly but isn’t getting a signal from the computer. Start troubleshooting your issue by ensuring that both ends of the video cable that goes between your computer and your monitor are pushed in the whole way.

How do you fix the TV when it says no signal?

Why does my TV say no signal?Unplug the HDMI cable from your Bell MTS Fibe TV Set-top Box.Wait 30 seconds.Plug the HDMI cable back in.Wait for the signal to initialize.Make sure all cables connected on the set-top box and your TV are secure.

Why does my TV say no signal when HDMI is plugged in?

The No Signal message indicates a problem with the cable connection or the external device. … Disconnect the HDMI cable from the TV and move it to an alternate port. Plug the device back in, and power the device back on. Change the TV to the new HDMI input to see if the issue is resolved.

Why does my LG TV keep saying no signal?

Try connecting the HDMI cable into a different Input port, maybe the port is malfunctioning. Try connecting a different device to the TV (or the same device to a different TV), maybe the other deviceis causing the issue. Try using a different HDMI cable, sometimes cables can short-out, or degrade over time.