Facing TV Problems? Ask a TV Technician.
Hello and sorry you're having problems. Are you saying that the TV's original remote will not pull up MENU options on the TV either?
Also, what color is the power light currently on the TV?
If you press any of the buttons on the side of the set (MENU, or Input), will these things show on the screen?
The symptoms you have point towards a hardware fault within the set, and generally require repairs.
However it's worth it to try a hard reset, as sometimes the processor in the TV can simply have locked up.
The first thing you would try, is disconnect the set from power, then press and hold the power button on the TV itself (not the remote), for 10 seconds and release. Then plug the set back in, and also check that the power cord is connected tight at the TV as well. Press power once, and see if the set powers up normally. Try this procedure up to 3 times, and please let me know what happens.
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Please let me know if you need further help once you see my reply.