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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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Blank Line Artifact Down Center of Display!

Note this only happened after the battery died and was replaced. Fixable?

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You can try doing a RAM reset and OS reinstall as shown here: TI-84 Plus CE Recovery Techniques.

I'm skeptical that will work but they're easy things to try. It's most likely a defective display. Unfortunately TI doesn't sell replacement displays.

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