There are different colors of vertical lines on a TV and how to fix them
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The root cause of horizontal or vertical lines on the TV screen can be identified by checking the picture, cable connections, and external devices.
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Try the following steps and find possible solutions in the expandable sections below.
If you see lines on all channels, you can change to an app to see if they show up on those as well.
If you want to request repair service, try to factory reset the TV.The issue may be with software or hardware.
You will be asked for the TV's password.The default is either 0,0 or 1,2,3,4 if you don't have a password.
The issue is not likely related to the TV's hardware or software.
The signal strength of the channel you are on can be seen if you enter Manual Tuning mode.
Check the alignment of your antenna if the signal is weak.Poor signal issues can be solved by a slight shift.
Technical difficulties may occur from the broadcast location if the signal is strong.
There are settings on the antenna that can be adjusted to improve it's performance.You might consider replacing the antenna.
Poor quality on some channels may be an issue with the cable box's software.
Plug the cable box back in and try again.It will clear the cable box's memory.
You may have an issue with your input device, the input board on the TV, or the cable used for that device.
Try to use a different cable.The signal cable that goes from the receiver to the TV is included.
If the issue persists with new cables, your next best course of action is to contact your cable/satellite provider and ask for a new receiver or antenna.Since the other inputs are working, the issue is more likely to be related to the external device.
Your next step is to have a professional repair technician diagnose the issue after you try new cables and a new box.
If you want to request repair service, try to factory reset the TV.The issue may be with software or hardware.
You will be asked for the TV's password.The default is either 0,0 or 1,2,3,4 if you don't have a password.
If you want to request repair service, try to factory reset the TV.The issue may be with software or hardware.
You will be asked for the TV's password.The default is either 0,0 or 1,2,3,4 if you don't have a password.
The quality of the TV picture is determined by a picture test.There should be no horizontal or vertical lines in the picture.
If the lines are present, contact the vendor of the application.
A bad cable can disrupt the signal and cause horizontal or vertical lines.
If the horizontal or vertical lines are not present, you should replace the cable.No further action is required if the placement cable resolves the issue.
Proceed to the External Devices section if the replacement cable did not resolve the horizontal or vertical lines.
The settings on the external device are not causing horizontal or vertical lines.
The settings that affect the picture display are Aspect Ratio, screenresolution, and horizontal / vertical Scan frequencies.To adjust the picture format settings, refer to the external device User's Manual.
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