Question about Texas Instruments TI-83 Plus Calculator

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WHen I replace the batteries, all I get is a solid black screen.

A week ago, I opened the case, and it said the ram was cleared, and now the only screen I can get is a solid black one, which I can sometimes get to go blank, and then when I turn it on, it shows the black screen and then immediately turns off.

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Re: WHen I replace the batteries, all I get is a solid...

Have you tried adjusting the contrast using second and the up and down arrows?

Posted on May 23, 2007

Re: WHen I replace the batteries, all I get is a solid...

I found the solution on as well. What worked for me was doing a memory dump. Following are the instructions that I found: On 2006012917:15:08, silverHalo wrote: > > >One solution is doing a Memory Dump. These are the instructions for >reseting the memory if you can't see the screen. Turn calculator on. >Press the "2nd" (yellow button) and "+" (MEM) function (this takes us >to the "Memory" screen. Then press the down arrow key 4 times (which >is the #5 choice - Reset), then press "enter" (this selects the - >Reset function). Then press "enter" again (this selects the - "All >Memory" funtion). Then the down arrow key once, then "enter"( this >selects the #2 choice - Reset). IF you did it right then you should >see the normal screen again with the word "Memory cleared" or >something like that. If you hold your screen at an angle in a good >light source (sunlight) you can still see what you are doing on the >screen, as it is not totally black. Hope this helps!!

Posted on Sep 06, 2007

Re: WHen I replace the batteries, all I get is a solid...

Hey, I had the same problem just now and found the solution on a math forum, the link is below. You probably already tried to adjust the contrast by holding down [2nd] and holding down [v] (=down arrow key). Instead try the following: Hold down [2nd] Hold down [v] Release [2nd] but not [v] and it will take the contrast back down to zero. What a relief, right?

Posted on Jun 16, 2007

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2 Answers

Ti 83 will not power on replaced all batteries

When you clear memory, the contrast sometimes changes. If the screen
is faded or blank, adjust the contrast by pressing 2nd and up- arrow or down- arrow keys .

Resetting RAM restores RAM system variables to factory settings and
deletes all nonsystem variables and all programs. Resetting defaults
restores all system variables to default settings without deleting variables and programs in RAM. Resetting RAM or resetting defaults does not
affect variables and applications in user data archive.
Tip: Before you reset all RAM memory, consider restoring sufficient available
memory by deleting only selected data.
To reset all RAM memory or RAM defaults on the TI-83 Plus, follow these
1. From the RAM ARCHIVE ALL menu, select 1:ALL RAM to display the
RESET RAM menu or 2:Defaults to display the RESET DEFAULTS menu.
2. If you are resetting RAM, read the message below the RESET RAM
• To cancel the reset and return to the home screen, press .
• To erase RAM memory or reset defaults, select 2:Reset.
Depending on your choice, the message RAM cleared or Defaults
set is displayed on the home screen.

Mar 25, 2012 | Texas Instruments TI-83 Plus Calculator

1 Answer

My fx-991ES stopped responding after i used the 'solve' function. I don't know how to restore it. I opened the battery case and discovered that there was no battery there. so it is being...

It may not have found a solution yet. Try the [AC] button to clear the calculation. Around the 9 key it is marked CLR on the face of the calculator. Use the [SHIFT][ 9] (CLR) [1] to accept (SetUp) and [=] to confirm.

Aug 02, 2011 | Casio FX991ES Scientific Calculator

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There is a small line in the upper right corner of my screen when i turn on the calculator. then if i do multiple operations, lines and distortions appear on the symbols on the screen. these distortions...

The normal cursor is a solid rectangle. To clear the RAM, press [2nd][MEM] to open the Memory Management tool. On theat screen select [7:Reser][1:RAM][Reset¸

Jul 14, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

The cursor blinks as a checkered black square and keys don't work

The memory of the calculator is ful,l that is why you cannot enter anything anymore. You must clear the RAM of the calculator.
Press [2nd][MEM][7:Reset][1:All Ram][2:Reset][ENTER]. Press CLEAR to clear the Ram Cleared Message.
If that does not work, pull the main batteries out of calculator and leave them out for a while (a few hours). Then reinsert them.

Hope it helps.
Thank you for using FixYa and rating the solution.

Dec 01, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

I have a TI-83 that hasn't been used for a couple of years. I replaced tha 4 AAA batteries, turned on the calculator, but the screen just displayed one horizontal black line. I couldn't get it to respond...

Hope is what keeps the world turning.
Clean the electrical terminals even if they seem shiny. Use a clean eraser tip of a pencil.

Insert the main batteries.
If you see the line again, press [CLEAR] to see if it disappears.
Try resetting the RAM by pressing [2nd][MEM][7:Reset][1:All Ram][2:Reset] [ENTER][ENTER].

If screen is too light or too dark, adjust the contrast:
Press [2nd] key and release it
Press and HOLD Arrow (UP to darken, or DOWN to lighten) the screen.

If that does not solve the problem you may have to force the calculator to boot up. Details are in the article . Read the part on Ti83Plus family.
The article contains links to additional articles.
Hope it helps.

Oct 29, 2009 | Texas Instruments TI-83 Plus Calculator

4 Answers

I replaced 4-AAA batteries with new ones and now the screen is completely scrambled and unreadable. TI-83 Plus

Remove one of the AAA batteries.

Press and hold CLEAR while reinstalling the AAA battery.

Continue holding CLEAR button and press ON.

Release buttons and press CLEAR again.

Calculator should be normal mode now.

Jun 19, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

TI-83 Plus Silver Edition problem

These instructions are from, and worked for me.

1) Take out one of the AAA batteries
2) Hold down the CLEAR button
3) Put the AAA battery back in while still holding down the CLEAR button
4) Let go of the CLEAR button and turn the calculator ON
5) Press CLEAR to get rid of the error message.

Then you should be good! All the applications on my calculator were still intact, so despite the error message, the RAM was never actually cleared.

Oct 20, 2008 | Texas Instruments TI-83 Plus Calculator

3 Answers

Screen Gibberish

Wow, I'm in the exact same situation. I've had my trusty TI for 6 years and now all of a sudden this gibberish is on the screen. You're right, there is absolutely nothing you can do to fix it. Guess we'll have to bite the bullet and buy a new one. 

Sep 02, 2008 | Texas Instruments TI-83 Plus Calculator

9 Answers

Ti 83 black screen problem

i had the same problem. If you hit 2nd down 2nd down 2nd down and keep repeating untill the screen clears it should solve the problem. i tried the other solutions that tried clearing the memory and they didnt do anything but erase the equations i had previously put in it (great). But this should work.

Feb 22, 2008 | Texas Instruments TI-83 Plus Calculator

4 Answers

TI-83 Plus Problem

Make sure to replace the "battery backup" too the little lithium ion battery

Try Adjusting contrast:
Hold down "[2nd]" key press up or down arrow repeatedly to lighten or darken contrast.

First attempt reseting:
Step 1: Remove all the batteries
Step 2: Hold "Clear" key down
Step 3: Still holding "Clear" key reinstall batteries
Step 4: Still holding "Clear" key press "On" key until home screen is displayed.

Second shot reseting:
remove all batteries including lithium ion (backup battery), wait 3 hours and reinstall batteries.

Third Shot reseting:
Step 1: Remove a battery
Step 2: Hold down "DEL" key reinstall battery
Step 3: Possible msg pops up saying "Waiting ... Please install software" IGNORE msg and take out battery again
Step 4: Reinstall battery do not hold down "DEL" key

reseting will cause the handheld to loose all of its stored memory.

Hope that helps!

Jan 29, 2008 | Texas Instruments TI-83 Plus Calculator

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