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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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White screen and sometimes black lines on calculator after it fell

My calculator worked perfectly fine yesterday, and this morning I tried to turn it on but it only shows a white screen. After trying to reset it way too many times I sometimes get black lines going over the screen. Not only have I tried resetting but I also took out the battery. This calcular is only 3 month old and I don’t know what to do.

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Hi, does your computer recognize your calculator when you plug it in? If so, then there’s definitely a hardware problem with the screen and you’ll need to contact TI Cares to get a replacement calculator. Thankfully your calculator is still covered under the 1 year warranty.

If you want, you can try to run a LCD self test to see if it changes your screen at all. To do this:

  1. Turn the calculator on, then press [mode]>[alpha]>[s]. (If you’d like a video tutorial, I have one here.)
  2. Then press [enter] 3 times.
  3. Now press [1].
  4. The self test will start. Press [enter] slowly 8 times to cycle through each test.
  5. Press [enter] one more time to quit.

There may be a small chance that this is a software problem and I’d suggest following Tecniche di recupero TI-84 Plus CE just in case.

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Kate Makarenko sarà eternamente grato.
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