Question about Texas Instruments TI-83 Plus Calculator

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My TI-83 Plus is only showing a bunch of scrambled symbols when I turn it on. I have tried changing the batteries and nothing happens

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I'm no expert with the TI-83, but generally when any computer does stuff like that, it's because the boot code is toast.

You can try hard resetting it and reinstalling the built in software. If you have anything stored on it, you will lose it. The instructions are here: http://www.ehow.com/how_5121373_reset-ti-plus-calculator.html

Failing that, you may be able to fix it by taking it apart, cleaning all the connections, and putting it back together.

Posted on Dec 31, 2010

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My ti 83 will turn on when i press the clear thing but when i try to put something in nothing happens


Hi imagenius1,

You need to free up some memory. Try clearing your RAM memory. Your calculator should operate properly afterward.

Press [2nd] [MEM] [7] [1] [2]

If the steps above did not reset the memory to your Ti 83 family calculator try the procedures below.

Please be prepared to re-install the calculator's OS if you run through this process.

If you have a straight Ti 83 without the Plus or, Silver Edition label goto (Procedure 2) below. If your Ti calculator is a Ti 83 Plus or better goto (Procedure 1).


(Procedure 1).

  1. Try a new set of AAA batteries.

  2. Remove one of the AAA batteries. Press and hold the [CLEAR] key. While holding [CLEAR], reinsert the AAA battery and then turn the calculator on. The calculator should display the message "RAM Cleared". Release the [CLEAR] key and, then press [CLEAR] one more time to remove the message.

  1. Remove one of the AAA batteries. Press and hold the [DEL] key. While holding [DEL], reinsert the AAA battery and then turn the calculator on. The calculator should display "Waiting...Please install calculator software now". Follow the instructions for the TI-83 family or TI-84 Plus family to reinstall the calculator operating system.



  2. Steps to re-installing the operating system:
    ~Connect the TI Connectivity cable between the PC and the calculator.
    ~Click on Start >> Programs >> TI Tools >> TI Connect >> TI OSDownloader
    ~Follow the on-screen directions to reinstall the calculator's OS. If you could not install the new OS on your calculator goto step 4.


  3. Remove all of the batteries including the round lithium battery for 5 minutes. After the 5 minute period, reinsert all of the batteries and turn the calculator on. Adjust the contrast if necessary.

  4. If the above process did not reset your calculator. Try re-doing (Procedure 1) and, extend the time in step 4, by 5 minutes to 10 minutes before you put all the batteries back in the calculator.

(Procedure 2).


For a straight Ti 83 without the Plus or, Silver Edition label try the procedure below.


  1. Try a new set of AAA batteries.



  2. Remove one of the AAA batteries. Press and hold the [ON] key for 20 seconds. Reinsert the AAA battery and then turn the calculator on.


Jan 06, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

My TI 83 plus is not working. when i press"on" nothing happens. I changed my AAA batteries, i even change the back maxwell battery, but nothing happened


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

If this doesn't do it, please reply to this post and we'll go on from there.

Sep 27, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

I cannot turn on the ti 83 when i put turn on button nothing happen


Try a new set of batteries, also make sure that the battery contacts touch the batteries properly and that they are clean, if old batteries have leaked it may have corroded the contacts.

Sep 20, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

My ti 83 calculator turns on but nothing shows


TI calculators have an annoying habit of dimming the screen, especially when the batteries are changed, so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

May 20, 2010 | Texas Instruments TI-83 Plus Silver...

1 Answer

When i turn on my calculator i see a whole bunch of symbols and it is stuck


u see a whole bunch of wht?If its a whole bunch of numbers its maybe because when u turn your calculator off your not erasing it before your turning the off button!!!!!

Oct 12, 2009 | Texas Instruments TI-83 Plus Silver...

1 Answer

Ti 83 plus small black screen?


try pressing 2nd then hold in down arrow to change the contrast

Feb 14, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Texas Instruments Ti-83 Plus Help


possibly water damage... there might be an indicater of this such as one on a cell phone. behind the battery possibly, a small sticker that changes color when dampened.

as for solutions... warrenty? lol

Jan 31, 2008 | Texas Instruments TI-83 Plus Calculator

2 Answers

Ti-83 plus


try changing the back up battery also. This generally helps. The next time you change your batteries, change them one at a time. don't take them all out at once. This won't happen if you do it like that.

Jan 19, 2008 | Texas Instruments TI-83 Plus Silver...

2 Answers

Big problem


SAME PROBLEM FOR ME! sometimes it shows a bunch of wierd random numbers and symbols and it wont let me do anything but then it goes away and wont turn back on .. have installed new batteries and tried the one battery reinstall trick w/ the clear and on buttons.. no luck PLEASE HELP

Jan 08, 2008 | Texas Instruments TI-83 Plus Calculator

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