If you have a smart phone with a hot spot and at least 3 bars of signal try to connect the tv to the hot spot.
Lg tv will not connect to cable box.
From there select the pc as the video source.
This lets us see if the tv is able to recieve a.
A cable or satellite set top box can be controlled with the lg tv magic motion remote control.
Shut the tv off and securely connect the cable box hdmi cable to hdmi 1 on the tv.
Hard line to the modem.
Simply connect your usb cable s to any available usb ports on the tv.
Try connecting the hdmi cable into a different input port maybe the port is malfunctioning.
Once the box has rebooted turn the tv on and use the lg remote s input button to select hdmi 1.
Bluetooth mice and keyboards are not supported.
Try connecting a different device to the tv or the same device to a different tv maybe the other devices causing the issue.
Disconnect the cable box from power for 10 seconds to reboot it then plug it back in.
Make sure the cable is properly attached.
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Try using a different hdmi cable sometimes cables can short out or degrade over time.
This lets us test the tv connection to see if the tv is able to connect to any other signal.
Connect an hdmi cable with an adapter if necessary into your computer and connect the other end into the desired hdmi in port on the tv.
Now please try this.
Using an ethernet cord connect to the router directly to the tv.
The available controls will be shown on the bottom right hand corner of the tv screen when the set top box is selected.
Then use the remote to navigate to home and then select source.
If the tv continues to display the no signal message the cable box may be malfunctioning.
Make sure the other end is secure in the cable box.