Connecting Your Laptop to a TV with an HDMI Cable
Connect the cable to the HDMI output of your laptop.
Plug the other end of the cable into the HDMI input on your TV.
On the remote control of your TV, press the button to select the source you want to display.
No picture when you connect a video playback device with HDMI
Make sure you are using the correct INPUT…
Disconnect and reconnect the HDMI cable.
Check the output of the connected video playback device …
Check the amplifier…
Unplug the video playback device and TV from the power outlet
Turn off your devices and connect an HDMI cable to them.
Step 1. Turn off the TV and the device you want to connect.
Step 2 If your TV has an HDMI connector labeled STB, plug the HDMI cable into it.
Step 3. Then connect the cable to the HDMI connector on the set-top box.
Go to Home> Settings> Sound> Speaker Settings. Select Receiver (HDMI) from the list.
Locate the input/source button on the remote. It is located on the upper left side of the remote control. Use this button to switch between “inputs. Each HDMI connector acts as a channel and plays the audio and video of the connected device.
If the TV says “No signal” or it is very weak, which is why the channels do not show properly, then most likely the connection cable is damaged. Diagnosis involves a thorough check of all connectors, as well as the wire for breaks and other mechanical damage.
The most common reasons for no stable signal from the satellite on your TV are: defective connecting cable; faulty satellite dish or antenna; failure of the satellite converter.
Check the cable connection
If the braid or the cable itself is damaged or broken, replace it. The cable or connector may also have a loose contact. Therefore, pull the cable gently back and forth to see if the picture appears on the connected screen. The HDMI port on the device may be defective.
The main reasons why the TV does not see the antenna signal
Internal problems include: Cable breakage in the apartment. Broken receiver. Failure of the receiver settings.
Connecting your TV to your computer with an HDMI cable Simply take a cable, plug it into the HDMI output on your computer and into the HDMI input on your TV. Important: Connect the devices when they are off and the power is off.
On LG TVs, you have to press the INPUT button on the remote control. And use the joystick on the remote to select the desired HDMI to which we connected the cable. In my case it is HDMI2. It will be active.
Check if the HDMI cable is working properly.
Even very expensive brands are not immune to such things as factory defects. In addition, the cable may be damaged due to careless operation. You can check the HDMI cable by replacing it with a guaranteed defective equivalent or by connecting it to other devices.
Check the hdmi jack on your TV, many brands may have more than one. Open the TV menu, identify which port number is the input port, probably not the one connected. Press the source selection key. Check the desired input, press “OK”.
If you have no picture when connected, check the cable for kinks, bends, breaks, if these damages have to replace the HDMI cable. Also you need to check the settings and make sure the computer has not entered sleep mode. Another option is a failure of the connectors
Turn off and on the external device and check the signal output and resolution settings on it. If it is a set-top box, turn it off and on. If it’s a TV with One Connect, reconnect it. Reset your TV to factory default settings.