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Pop up messages on TV:wired LAN disconnected, then Network connected


Carolyn Steinberg

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For the past few months I am getting intermittent pop up messages on my TV.

1st one says Wired LAN disconnected, then another message pops up and says Network connected. I have been calling my cable carrier Spectrum and Techs have been here and can't find problem. Also I went to check my wifi on my TV and my user name and connections aren't showing up all of a sudden. This TV was just purchased May 2017. What is going on and how to resolve!!

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The TV is 49sj810v .Following the firmware upgrade, the pop up messages are still annoying (no change).  In brief, it displays lan disconnected - connected, unknown device disconnected. Aslo my WIFI stopped working, as well the magic remote control (i have two remotes and none could be registered. Every time that i try to register, it displays Bluetooth has to be initialised. Currently am using a standard Remote control from my older 3dLG television.

Question: Does the bluetooth and wifi modules in this TV related?

It seems that this is the last LG item item that i have purchased. Currently all my TVs and mobiles are LG.

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My TV did the same. Model 49UK7550PLA. The Magic remote could not be used as a mouse, only classic buttons were working. In settings, I could not turn Wi-Fi ON.
Problem was wireless card. As TV was connecting and disconnecting device I guess problem was the kernel's IRQ. Device wlan0 was reconnecting and with it also eth0.

I disassembled the TV and find out, that ribbon cables connecting the main board with the wireless card at the bottom of the TV was twisted and tensioned (no idea why, there is plenty of room).
After disconnecting cable on both sides, untwisting and reconnecting it, TV started working properly.

If it doesn't help, maybe you have to replace wireless card or cable.

Good luck guys.

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