Older big screen with no controls

[Custmguru]

we have a 3rd gen hand me down big screen. It's got a lot of mileage on it and was never a great TV.

However we're having a problem this morning where the controls don't work for it. Not the remote, the pushbuttons on the unit, and not the multi-function remote that came with the cable box that we have been using. The only control I have is turning it on and off through a reset button (a little hole i can stick a paperclip into and it presses an on off button i guess). It appears to me that the whole control unit is not working, since it houses not only the pushbuttons, but also the remote sensor. Any help on this?

Model number 45G1000

[custmguru]

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