Question about Texas Instruments TI-84 Plus Calculator

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Hi, I have a TI-84 plus calculator, and my screen is black. I can very, very faintly see the cursor or numbers. i have tried to hold the second key and press the up and down arrows to change the contrast but that is making no difference. Please help!

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Try pressing and releasing the 2ND key, then pressing and holding the up-arrow key.

Posted on Jun 20, 2011

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Hi,

First, turn it on. Once the calculator is on, press the "2ND" key (I believe it is a blue key in the ti-84 plus silver edition). Now press the plus key (+). A little above that key, you should see the word "mem." When you see the screen titled MEMORY, move the cursor all the way down to the option that says "Reset." From here, you can choose to reset either the RAM memory, or the factory settings. The factory settings are the "Defaults" option. I hope this helps.

Thanks.

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