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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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How to replace screen glass?

Hello. I have a TI 84 Plus CE that has just been sitting in my backpack for the last couple of months (in hindsight wasn’t my best idea.) I took it out of my pack one day and found out the screen was cracked (pic below.) Is there any guide to fix it? The panel itself is not broken but the glass separating them is. Thanks!

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Hi, unfortunately, I don’t know of a place where you can buy just that part, however you can search for a dead TI 84 Plus CE on Ebay then use that calculator as a donor device.

Thankfully, removing the plastic cover isn’t very hard, the glue holding it on is pretty weak. You just need a suction cup and maybe a spudger (or thin flat head screwdriver).

  1. Take the suction cup and place it on the screen, try to avoid putting it over the cracks as that may mess it up.
  2. Then pull up on the suction cup. You don’t need to worry about damaging anything by pulling of the cover so you can be as forceful as you’d like. The cover should come right off.
  3. You can now take off the other calcualtors plastic cover and swap your calculator’s plastic cover with the donor calculator’s. At this step you have the option to replace the glue with something stronger so dust doesn’t get in the shell and on the LCD. Be sure not to get any glue on the LCD, that’s been a common mishap to others who have taken off the plastic cover! Carefully inspect the LCD to be sure it’s clean before putting the plastic cover back on.

That’s it! If you would like me to clarify anything, please reply and I’ll help you out. Good luck!

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It might help to apply minor heat to the donor in that case. In addition, removing the screen itself is probably another very good idea if you can manage it.

I'm even having trouble finding a parts unit since most of them are the standard B&W Plus if you look with as-is in the title. OP's best bet is a bad pixel one that's otherwise repairable if you find one with a good cover - total waste (at first)? Yes, but I legitimately can't find a CE that's a total bum to the point of being unrepairable because of the economics.

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Ah, I was afraid it'd be a pain to find a broken one. I wouldn't suggest trying to remove the LCD itself since it's connected by only a small ribbon cable that'd be impossible to reach if disconnected without opening the calculator from the back.

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The B&W is easy because it's seen 2 case styles (Base Plus and Silver), the parents usually buy that model for school shopping list satisfaction (price) and it's the most common EZ-Spot model (usually stolen by students). Good luck finding a CE; the CSE is probably easier to get ahold of broken. I'm searching with TI-84 as a general search and I seen no broken CE calculators.

The LCD is something I'd opt to remove but I also know the risks involved and how to do it right.

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The issue with the CE is the screen cover is usually the first to go. This is better then the situation on the Plus/Silver/CSE where the display is taken out because of how much direct line of sight is present, but it makes finding a good screen hard. Bring cash and have it on hand to secure the one that has the parts you need. This one is a hard find.

Your best bet to find a donor is to ask a bookstore who sells them used or a ex student who lost interest in their broken one - they probably have busted ones to sell you for the good parts in large numbers. I’ve checked eBay and I just cannot find a CE ANYWHERE - just mixed lots and EZ-Spot B&W models. The full reason for parts availability being scarce is described in my comments on @thelastmill’s answer, but it’s almost always because the B&W Plus series is the most popular because the main reason the TI-84 sells so many units is school supply lists - no parent is going to be extra and get their kid a CE willingly. Mine is a B&W Plus that was no different.

When you find a donor, DO NOT BUY EZ-SPOT MODELS. The part you need is also school bus yellow. Unless the school went under, they’re stolen. You don’t know for sure (especially since schools do not provide serial numbers for stolen items other then IT equipment most of the time), the teachers pay to replace it in lieu and you lose the calculator, plus the school gets it back and they keep the teacher’s money - nobody wins but the school who dinged the teacher. It’s better to avoid these to be on the safe side.

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