Trying to restore Ti-83 Plus : r/TI_Calculators

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Fully tested and cleaned. Works great! The screen and buttons are in very good condition. No engravings, dark spots, or lines on the screen. Includes

Restored Texas Instruments TI-83 Plus Graphing Calculator (Refurbished)

So I hadn't touched my Calculator in about 3 months because I originally lost my charger and my calculator fully died. I found my charger and tried plugging into it today and I was met with the loop where it just keeps saying it's Validating my OS. What can I do