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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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Pencil lead stuck in the reset port, how to disable it?

I was using a mechanical pencil to reset it, and now it resets when you give it a whack. How do I disassemble it and fix this problem?

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Use a very small drill bit with your fingers and drill out the graphite.

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Is the lead still in it? That was what I was trying to get you to remove.


Just looking back at this, the problem was there is about a 5 mm tall button inside of that you push down to reset the TI-84+CE, but there is some pencil lead stuck in the crevice next to it, I guess I need to take it apart. Thanks for the help!


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Michael Gallagher will be eternally grateful.
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