Question: Why Is TV Showing No Signal?

What is a signal cable?

signal cable – Computer Definition A metal wire or optical fiber that is used to transfer data.

Contrast with the “power cable,” which provides electricity to the unit..

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…

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.

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.

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.

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.

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…

How do you reset an LG TV?

How do I reset my LG television to factory settings?Step 2: open All settings. Select the option Support and press the OK button. … Step 3: navigate to General. Select the General option. … Step 4: go to Reset to Initial Settings. Go down until you see the Reset to initial settings option. … Step 5: confirm the reset.

How do you fix your 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.