TI 84 Plus CE is stuck in the validating loop

Question

Texas Instruments TI-84 Plus CE

The TI-84 Plus CE is a graphing calculator released in Spring 2015 by Texas Instruments. It includes a 2.8 inch color screen, USB port, apps, storage, and a 1200 mAh battery.

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Molly Rhodes @mollyrhodes

Rep: 1

Postato: 23 apr 2025

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TI 84 Plus CE is stuck in the validating loop

Hello,

I am trying to fix the calculator. When plugged in it is stuck in the validating loop. I have attempted to remove the battery, download the TI software, but when I plug it in it through the USB it does not recognize the calculator. There is mention of a button battery that can be replaced but I cannot find that either. Should I purchase a whole new battery? Is that maybe why it will not get out of the validation loop or be recognized?

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TheLastMillennial @thelastmill Rep: 3,5k 14 13 7 · Answer 1 · 2025-04-24T06:23:31-07:00

TheLastMillennial @thelastmill

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Postato: 24 apr 2025

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This has been a common issue. You need a new battery. If your calculator is less than 2 years old then contact TI Cares and they will send you a new battery for free. https://epsstore.ti.com/OA_HTML/ibeCZzpH...

The TI-84 Plus CE only has one battery. The TI-84 Plus has AAA batteries and a coin cell battery.

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