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LG google TV model ga6400 logo screen stop

After booting, it stops at the LG logo screen.

How can I restore firmware using usb port only in LG GA6400..

There is a link to the answer below, but it has expired and cannot be viewed.

I accessed the recovery menu and did a factory reset, but the situation was the same.

Is there no way? The local service center says the motherboard needs to be replaced.

Update (10/05/23)

If press the OK button when the LG logo screen is frozen, the TV will turn off. If press the OK button in normal condition before the malfunction occurs, a message appears saying that the device is booting.

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@johnharry7 have you checked on videos like this to see if that may work for your TV?

Yes, it is possible that your TV needs a new main board but your current issue do appear more like failed firmware.

par

thank you for your reply

I requested firmware from LG, but could not receive it.

par

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Retrieved and transcribed from archive.org, this is the contents of the link you were looking for, I hope this helps.

This is a followup comment also retrieved via archive.org with some additional information that may help:

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johnharry sera éternellement reconnaissant.
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