Question about Texas Instruments TI-84 Plus Calculator

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Ti-84 Plus The cursor on the calculator does not flash and the calculator only recognises keystrokes every 10 presses or so. I have changed batteries, reset it etc and still when you swich it on the cursor will not blink. Other calculators cause error when transmitting between the two. The present OS is 2.21, but I cannot upgrade it till it is working properly. Any ideas?

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Clean it with a bottle of compressed air

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My ti-84 silver edition calculator is not working at all. I have changed the batteries and the back up battery and still nothing but the black checkerboard square is on, it wont even let me turn off the...


If your calculator display the checkered cursor it means that the memory is full and you cannot type in anything. Clear the memory by resetting the calculator.
Press [2nd][Mem] then select [7:Reset]
Under the first Menu RAM select 1:RAM then 2: reset

Nov 06, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

TI 84 silver edition unresponsive keys


Remove all four AAA batteries. Press and hold the ON key for at least fifteen seconds then release it. Replace the batteries.

May 09, 2012 | Texas Instruments TI-84 Plus Silver...

1 Answer

TI 84 plus silver edition not responding keys not working


Remove all four AAA batteries. Press and hold the ON key for at least fifteen seconds then release it. Replace the batteries.

May 09, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

My TI-84 plus silver edition calculator is not responding. Whenever I press a button it takes forever to put it up on the screen or it doesn't work at all! I need some serious help with this. I tried...


Hi purzabumafu8,

You need to re-install the Ti 84 Plus OS on both calculators, ASAP!!! You can fix these problems by installing the newest Ti 84 Plus 2.55v. MP OS, operating system. Use fresh batteries.

If you have a friend that has a Ti 84 Plus or, Ti 84 Plus Silver Edition you can connect the two calculators together through the USB or, IO link ports. Then they can send you a copy of their OS, while you receive it on your Ti 84 Plus. Hopefully, your friend will have Ti84 Plus 2.55v. MP OS on their calculator or, it might not work. Link the two calculator together through the USB or, IO link ports with the proper cable. If don't have another reliable calculator to connect too, you'll have to connect the calculator to a computer to download the OS, goto Procedure 5. If your downloading off another calculator goto Procedure 1.

Important Note: Never disconnect a TI Connectivity Cable during a transfer. Lost of power during installation of OS will destroy your calculator.

Procedure1. Procedure to linking to another calculator.
On their calculator press, [2nd][Link][G] [Right-Arrow]. On your calculator press, [2nd] [Link] [Right-Arrow] [Enter] and, then press [ENTER] on their calculator too. Their calculator should say, "TRANSMIT" and, your's will say "Receiving." Then on both calculators once transfer is complete press, [2nd][MODE] to quit and, return to the Home screen. If the OS was transferred then your finished with these procedures. If your calculator won't turn on or, is locked up try the Procedure 2, below.

Procedure 2.

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". If calculator did not turn on or, is still locked up goto Procedure 3, unless already did Procedure 3, then goto Procedure 4. If you calculator does come on and is responding and, your connect to another calculator goto Procedure 1. If you calculator does come on and is responding and, your connect to a computer goto Procedure 7.


Procedure 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. Goto Procedure 2.


Procedure 4.

If the above process did not work. Try re-doing the Procedure 2, and, this time extend the time in Procedure 3, by 5 minutes to 10 minutes before you put all the batteries back in the calculator. These calculators can be a little stubborn at times so, keep trying Procedure 2.



Procedure 5.

If you can't find a calculator to connect too, you can connect your Ti 84 Plus to a computer that has Ti Connect software on it. If you need to connect your Ti 84 Plus to a computer make sure the Ti Connect software is operating properly. You do not want any hang-ups while installing the Ti 84 Plus OS.
Procedure 6. Procedure to installing the latest Ti84 Plus 2.55v. MP OS. TI OSDownloader does not always install the latest OS.
You can get the latest copy of Ti84 Plus 2.55v. MP OS and, guidebook by going to the Texas Instruments web site. You can get to that site instantly by clicking, "Ti 84 Plus 2.55v. MP OS!" Once your at the Ti site click the Download Item, "Ti84 Plus family operating system". Next you can login or, click "continue as guest". I'd would click the "continue as guest". Once you have click, "continue as guest" the Ti84 Plus family operating system will download to you.
Next, click "SAVE" and then a window to a folder will pop up. It is probably a window to a folder that you download too. If so, you may want to change it and, save to this folder, "My Documents \ My TI Data \ Downloads". You can also go back and, download the Ti 84 Plus guidebook too, if needed. If your calculator will not turn on or, is locked up goto Procedure 2. Or else goto Procedure 7.

Procedure 7.
Important Note: Never disconnect a TI Connectivity Cable during a transfer. Lost of power during installation of OS will destroy your calculator.
Link your computer and, Ti 84 Plus calculator with the USB cable or, Direct Black Link cable that came with the Ti 84 Plus calculator. Next, drag the Ti 84 Plus 2.55v MP OS that you saved earlier in "My Documents \ My TI Data \ Downloads" out of that folder and, drop it in the "Ti Connect" icon on the desktop. Click, "Continue" when the "Erase Warning" pops up and, the new Ti 84 Plus 2.55v MP OS will begin to install. Next, the Ti Device window should pop up and, highlight the port when it finds what your Ti 84 Plus is using, USB1 cable or, Direct Black COM1.
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When the Ti Device Explorer finds and, highlights your calculator's information click, "Select." Then click, "Yes" when the next window shows up with your calculator's information and, the OS will continue to download. Upon completion the newest Ti 84 Plus 2.55v. MP OS will be installed.
If you run into any trouble with software or, drivers just comment to what failed at this posting and, I'll be glad to help you.

Jan 17, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

Ti-84 plus, calculator is frozen with just a flashing cursor, no key operations work. Batteries were corroded, but calculator has brand new batteries now, and problem still persists. Would resetting it...


its possible that the batteries leaked inside and cause some problem.
you can try to reset but only if you can connect the Calculator to the computer because the keypad is not working
if you want to fix the Calculator let me know
ecrdn@yahoo.com

Jack

Oct 18, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

TI-84 Plus calculator goes on, but says "RAM cleared". Then, the cursor does not flash, and I have to push the buttons for a long time to get anything on the screen. Also, if I push the same button more...


Read about the nature of the cursor. It can be on Insert or overwrite. If the cursor is full square and flashing, that mean the memory register for the input line is full and you cannot input anymore strokes.

Oct 22, 2017 | Texas Instruments TI-84 Plus Calculator

1 Answer

My texas TI 84 starts but the cursor doesn't flash and the calculator doesn't react at any button ( only on works). What do I have to do?


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

Sep 14, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

Press


Have you tried to reset the calculator?

From page 671 of the TI-84 Guidebook:

To reset the calculator:
1) Remove all AAA batteries
2) Hold down the On button for 10 seconds
3) Reinsert AAA batteries
4) Turn the calculator back on.

Note: When you reset your graphing calculator, the contrast sometimes changes.

Nov 05, 2009 | Texas Instruments TI-84 Plus Silver...

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