Need some help, recently bought a tv off letgo and it turns out its locked, ive tried everything i can think of to unlock it but nothing?

its an lg32lc50cb flat screen, ive tried hard reset with power button, no luck. disconnected everything in the back of the tv and let it sit overnight to try and reset the battery pack (if it has one) and still locked. i do not have a remote and the buttons on the side of the tv that work are volume up/down, power,... show more its an lg32lc50cb flat screen, ive tried hard reset with power button, no luck. disconnected everything in the back of the tv and let it sit overnight to try and reset the battery pack (if it has one) and still locked. i do not have a remote and the buttons on the side of the tv that work are volume up/down, power, and enter. lg cant/wont helo me and im stuck. any help is appreciated
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