1.The reception may be disrupted by electrical appliances interference. Just wait for a moment for these external sources to move away.
2.May be caused by unstable signal source.
3.LVDS wire being loosened.
4.Panel or LVDS wire defective.
1. Check if there are some interference objects near the TV then move away the interference objects.
2. Reconnect the signal wire.
3. Open the back cover to reconnect the LVDS wire (the wire connected panel and main board)
4. Please call for service if there is still line on the screen after above operation, perhaps panel or LVDS wire defective.