Question about Texas Instruments TI-84 Plus Calculator

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I dropped my calculator and now I have one row that cannot be seen on the main screen. When you turn on the calculator, one line is missing.

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Calculator is cheaper now adays.. the best way is to replace and buy new one than to pay repairs...

Posted on Oct 08, 2009

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Posted on Jan 02, 2017

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Lines running through screen; hard to read anything; we have reset and turn off and on and even replaced batteries. Calculator is only 2 years old.


If you have lines running through the screen that don't move regardless of what is being done on the calculator, then the screen is most likely broken. This can happen from an external shock like dropping it, or sitting on it. It can also be caused by the calculator being bent.

Sorry for the bad news.
John Vickers

Aug 12, 2011 | Texas Instruments TI-Nspire Graphic...

1 Answer

In the Y= editor screen on my TI84 plus. The top row should have 4 options. "x=" "plot 1" "plot2" and "plot3". The "X=" option is missing.


I am sorry to disagree with you. There is no such option when you open the Y= editor. Is it possible you have seen this option in Casio calculators? Or in some third party programs?

Jun 10, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

A blue line appeared on the calculator when I changed batteries and now it will not turn on. What is the problem


Sounds like you probably dropped the calculator and it broke. The line that you spoke of is a common problem that is seen when calculator's take a fall. Seems like when it first fell, the screen broke a bit. And then from moving around and stuff, it's completely broken. I would contact Casio and see if they have a store that you can bring it in to get it checked out. Sorry. Hope this helps...
Please rate my solution
- Frankie

May 06, 2011 | Casio FX-9750GPlus Calculator

1 Answer

Hp48gx four pin connector is loose. Any way to fix it?


The only way is to open the calc seperate the main circuit and sodered the pins back
its a bit complicate because when you seperate the main circuit you also seperate the lcs and it need to go back to the same place otherwise you will have a missing lines on the screen

Jan 26, 2010 | HP 19BII Calculator

1 Answer

Random symbols, upside down and on the bottom of the screen


Hello,
You should reinstall the system which you find here

http://education.ti.com/educationportal/downloadcenter/SoftwareList.do?website=US&tabId=1&paneId=2

Use the link below to install TIConnect software
http://education.ti.com/educationportal/sites/US/productDetail/us_ti_connect.html You can also download the latest OS there.

Install TI connect on your computer and run it to open the main Window. Then connect you calculator to a USB port and, in the TIConnect main window Click the TIDeviceInfo icon. Software will try to retrieve the info. If it does your calculator is fine.

If it tells you Device Not found , Click communication settings in same pop up window where it said Not found, and Select Device, Select Cable, Select Port and Click OK..

If you are lucky and it works, you should reinstall the OS, which can be downloaded from education.ti.com. You drag and drop the OS on the TIconnect main window. Calculator must of couse be connected to computer.

If you have problem with TIconnect, use the calc-to-calc cable to transfer the OS of a working calculator. Yous should be on Receive mode [2nd][Link] --->>Receive. (When both calculators are ready hit enter.) The other calculator, you guessed exactly right, must be on Send [2nd][Link][SEND][G:SendOS]. (When both calculators hit [ENTER])

If all that does not work, then it may be time to head for a place of worship to pray for its resurection, or look for a repair shop.
Hope it helps

Jun 30, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

Screen Problem with my HP48


Hello Francisco from the land of Pablo Neruda and Salvatore Allende!! Salud.

Try the following procedure (valid for the HP 48G should work for the HP48GX.) If any of the tests fails the calculator requires service
Make the calculator perform a
Self test.
  1. Turn calculator on
  2. Press and HOLD the key [ON]
  3. Press and release the key with "E" to its right (the one before last in first row)
  4. Relaese the [ON] key.
It tests the RAM and ROM. You will see various patterns on screen. Afterwards you should see
IROM OK,
IRAM OK,
HP48GX OK
The self test will continue repeatedly until you perform a
System Halt
  1. Press and HOLD the [ON] key
  2. Press and release the "C" key
  3. Release the [ON] key.
The empty stack should appear.

If you do not see IROM OK and IRAM OK, the calculator requires service.

If the above procedure is successful, you may want
to test the keyboard.
  1. Turn calculator on
  2. Press and HOLD the [ON] key
  3. Press and release the "D" key.
  4. Release the [ON] key
  5. Press and release the "E" key. KBD 1 should appear on the top left corner of the screen.
  6. Starting at the upper left corner of the keyboard, and moving Left to right, press every key in sequence. If you follow the sequence and the keys are functioning properly you should hear a hight pitch sound at each press.
  7. If everything is OK, when you press the last key (+) the screen displays KBD 1 OK.
To exit the keyboard test proceed as described above under System Halt.

If you follow the proper sequence and a hexadecimal number appears after pressing a key, the calculator requires service.
Hope it helps.

PS Except for a few minor errors in capitalization ( the pronoun I should always be capitalized), the occasional missing pronoun (I), and the adjective which is invariable (no agreement with a plural noun), I would say that your English is fantastic. It is better than the BROKEN ENGLISH written by the vast majority (95%++) of the human race, native speakers included.
I wish my Spanish were as good as your bad English.

Apr 01, 2008 | HP 48gx Calculator

1 Answer

Ti 86


Hi I got a problem with Ti-86 which is a line of the screen pixel missing. I tried to increase and decrease the intensity of the screen (2nd and up, down). Also tried to go to MODE function. I have tried those for several times. It works great. The line of those missing screen pixel came back. I don't know why. Just try it.

Sep 12, 2007 | Texas Instruments TI-86 Calculator

2 Answers

Blank lines


It sounds like the lcd is either defective or damaged by liquid spill or dropped. Not feasible to repair. John

Jun 10, 2007 | Texas Instruments TI-89 Calculator

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