u/McDonalds-Sprite25

A few months ago, I tried using the FamiCalc emulator on my TI-84 Plus CE. It worked perfectly fine, but when I exited the app, my calculator shut off. I pressed on and it showed the normal calculator screen before shutting right off again. I even tried the reset button on the back and now it just shows a white screen before shutting off again. Is there anyway to fix this? I don't think it's a battery issue.