Question about Texas Instruments TI-83 Plus Calculator

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Our high school has about 40 calculators which have stopped working. We put in new AAA batteries and also replaced the disc battery. In most cases, the screen just won't go on. Any suggestions?

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Hello,
Maybe it is time for your school to graduate to the TI'Nspire technology. Just a joke. OK, it is possible that the screen is too light, and you will have to increase contrast. Here how you do it.
Press the ON button,
1. Press the yellow [2nd] key and release it.
2. Press the [UpArrow] key and release it.
3. Repeat Step1 and Step2 in sequence, until contrast is adequate. Beware that you will have to repeat the cycle several times.

I read that you changed the main batteries and the backup batteries. It should not be done all at one go: Calculator must at all time have either the backup in, or the main batteries in. You may lose informations if you pull them all out.
Hope it helps.

Posted on Oct 02, 2009

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My calculator has fresh batteries and will not turn on, it has normally worked before and now it just randomly stopped working.


Did you change the AAA batteries and the internal back up battery? It may sound unnecessary, but sometimes these devices are a little picky. I would also check that the contrast and brightness setting is appropriate. I fixed my dad's just by hitting second and up on the arrow to make the font show up again.

If neither of those work, try these:
(These will reset the calculator and erase the memory)

Remove one of the AAA batteries, hold down on the DEL key while reinserting the AAA battery. The handheld might display "Waiting...Please install calculator software now". If you get this message, the information in the "Correcting the Error Waiting" section shown below will help you correct the problem. Before trying that procedure, reinstall one of the AAA batteries again. This time do not hold down the DEL key.

Remove one of the AAA batteries, press and hold the [on] key for 10 seconds, release, replace the battery, then turn the unit on. Adjust the contrast.

Remove the AAA batteries for three hours. After the three hour period, reinsert the batteries and turn the handheld on. Adjust the contrast if necessary.

Jun 22, 2011 | Texas Instruments TI-83 Plus Calculator

2 Answers

My screen turns on but when you do anything it has random numbers, line and letters on it and i need to get it fixed immediatley


I've had this issue before with my TI-83 Plus. I'm not sure exactly the solution I used, but these steps progress through the mildest to most extreme methods of fixing the calculator.


Solution 1: Take the batteries out.

Odds are you've tried this already, but it bears mentioning.

With the calculator on, remove the triple A batteries housed in the back. After a few seconds, replace them and turn the calculator on.


Solution 2: Clear the RAM.

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 it one more time to remove the message.


Solution 3: Reinstall the operating system

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"

Here is the website to reinstall your OS. First you'll need the TI-Connect software.


Solution 4: Remove all sources of power. This is a risky move, but if your calculator will absolutely not work after you try even reinstalling the operating system, it might be your last hope.

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.

May 12, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

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

I put new lithium triple aaa batteries in my TI-83. Nothing happened . days later it turned on worked for a little while then stopped. would it help to change the round lithium battery? Do you know what...


The button cell backup battery keeps the memory electrically refreshed when the calculator is turned OFF. The necessary power for regular use is supplied by the 4 AAA batteries (main power). That nothing happened when you put in a fresh set of (expensive) lithium batteries may be due to the screen being too dim to see anything.

If the calculator displays RAM CLEARED each time it is turned on, it may be due to a depleted backup battery. The battery model number is CR1616 or CR1620. On my TI84PLUS the backup battery is of type 303 (Sony) or SR44SW (Maxell).

Sep 05, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

Will not turn on. Just stopped working. Batteries are brand new. Is the calculator fried?


Could be the screen has been dimmed so much that you can't tell that it's coming on. Press on and then 2nd button and the up arrow key. You may need to keep pressing 2nd and up arrow key. This is how you darken the screen. You can also lighten the screen which may be the problem you have by pressing 2nd and then the down arrow key.\

If this doesn't work, take out the internal battery that is located in a tiny door with a screw right above the 4 AAA batteries. Leave this out for about 8 hours and put it back in. Put in the AAA batteries and the calculator will be reset and may work.

Aug 04, 2009 | Texas Instruments TI-84 Plus Calculator

2 Answers

The calculator casio CFX 9850GA was not turning on..


first:you must clean battery compatrment in direction of contact point with good contact cleaner from any electronic store near you or from radio shack.
second:clean power switch with contact cleaner.

Dec 21, 2007 | Casio CFX 9850GA Plus Calculator

2 Answers

TI-84 will not trun on.


Try the following

1) Remove one of the AAA batteries, hold down on the DEL key while reinserting the AAA battery. The handheld might display Waiting…Please install calculator software now. Ignore this message. Remove and reinstall one of the AAA batteries again This time, do not hold down the DEL key.
2) Remove one of the AAA batteries, press and hold the [on] key for 10 seconds, release, replace the battery, then turn the unit on. Adjust the contrast.
3) Remove the AAA batteries for three hours. After the three-hour period, reinsert the batteries and turn the handheld on. Adjust the contrast if necessary.

If needed, reinstall OS by downloading the OS from the TI site and ....
On your computer, choose Start, Programs, TI Tools, TI Connect, TI OS Downloader.

(I am not the one who came up with this answer, but found it on an other site. If this doesn't work, please let me know)

Gr Marijn

Nov 28, 2007 | Texas Instruments TI-84 Plus Calculator

1 Answer

Weird lines, characters, symbols etc.


It sounds like you need to put in a new set of back-up batteries. They can be found behind where the AA batteries are.

Aug 17, 2007 | Texas Instruments TI-83 Plus Calculator

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