Question about Texas Instruments TI-84 Plus Calculator

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My TI- 84 Plus has a full black screen I can not see the nummbers whats wrong with it ?

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It seems that your contrast is too dark. Simply adjust the contrast by pressing 2nd and down. If it gets too light simply press 2nd then up.That should take care of it.
If this was helpful please vote four thumbs up.
Thanks and happy calculating

Posted on Aug 30, 2010

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1 Answer

Upper half oc the screen on my TI- 84 calculator is blank


The Mode settings determine how entries are interpreted and how
answers are displayed on the TI-84 Plus. At first set option full screen and then folow next:If you cannot see anything on the screen, you may need to adjust the graphing TI 84 calculator contrast :
1.To darken the screen, press and release 2nd key, and then press and hold up-arrow key until the display is sufficiently dark.
2. To lighten the screen, press and release 2nd key, and then press and hold down-arrow key until the display is sufficiently light.

Mar 22, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

I jus bought a TI-84. when i turned it on it said RAM cleared. now there's a blinker on the screen. every time i press a button, nothing happens. whats wrong with this brad new calculator


You need to re-install or, update the Ti 84 Plus OS. Since you just bought the calculator it is unusual that it is already to that point of clearing the RAM. You can connect a computer and your Ti 84 calculator together once you downloaded and, installed Ti Connect software on the computer. That way you can use the Ti OS Downloader that comes with Ti Connect software to install the newest Ti 84 Plus OS. Or, 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 IO link ports and, they can send you a copy of their OS while you receive it on your Ti 84.

Get this problem fixed as quick as you can. You do not want your OS to fail any more than what it already has. If you can not find another calculator to connect too, then you can connect through your computer. You may have a long road ahead of you getting the Ti Connect software and, drivers working right. Just remember to come back to your posting here and, post a comment of what ever is failing. This will notify me right away and, I'll walk you though it if necessary.

Jan 12, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

When ever i turn on my ti-84, it says waiting..... PLease install operating system now.


Hi biancaaii,

You need to re-install the Ti 84 Plus OS, ASAP!!! You can fix the problem by installing the newest Ti 84 Plus 2.55v. MP OS. operating system.

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 IO link ports and, 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.

If you can't find a calculator to connect to 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. Be careful, even a power failure during the process of installing the OS will destory your calculator.

Procedure 1 to installing the latest Ti84 Plus 2.55v. MP OS

1). 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.

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 12, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

Haven't used my TI 84 plus in awhile and it wont turn on what is wrong?


Having gone over half a year without a response, I assume my suggestion to adjust the screen contrast solved the problem.

Sep 09, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

TI 84 plus silver edition we cant get it to stop rounding off the numbers


Press MODE to bring up the mode screen. Use the arrow keys to highlight "NORMAL" on the top line and press ENTER. Highlight "FLOAT" on the second line and press ENTER. Press 2ND [QUIT] to exit the mode screen. Now you will see full precision on subsequent calculations, though the TI-84 will still suppress trailing zeroes.

Aug 25, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

My TI-84 won't turn on. If I replace the


Remove all four AAA batteries. Press and hold down the ON key for at least ten seconds. Replace the batteries. Turn the calculator on.

May 15, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

When i turn on my ti-84 the screen is black - i have changed the batteries


Turn the calculator on. Press and release the 2ND key. Press and hold the down-arrow key until the screen lightens. If you go too far, press and release 2ND, then press and hold up-arrow.

May 10, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

Screen has blacked out, what's wrong?


Adjust the contrast. Turn on the calculator. Press and release the 2ND key. Press and hold the down-arrow key for five seconds or so. If you go too far, press and release the 2ND key, then press and hold the up-arrow key until the screen is as you like it.

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

1 Answer

Ti-84 plus silver edition


press 2nd and then the down arrow over and over until the contrast is adjusted. Did you read the manual?

Apr 15, 2008 | Texas Instruments TI-84 Plus Silver...

1 Answer

Memory Full Error


this is really weird. The TI 84 has nine times for memory then the 83 so if you still can i would try to return it to the store. Cause i think this is just a defect. I might be wrong. Hope this helps. GOOD LUCK

Jan 25, 2008 | Texas Instruments TI-84 Plus Silver...

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