TV suddenly went into a snowy screen with no sound or any picture. When I operate the remote red light on TV lights up but it does not respond. Tried Menu button to no avail. The TV won't turn off even when the POWER button behind is pressed (only turns off when unplugged). When pluged back in, SMART TV apears on the screen for 2 seconds and then goes into a snowy screen with no commands available. Worked fine last night. It seams like a bad software was pushed overnight.
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