Question about Texas Instruments TI-84 Plus Calculator

2 Answers

Wont turn on after 2 buttons

I have the ti-84 plus. I was holding the "2nd" button and the middle of the up and down arrows at the same time. in the top right of my screen there was a countdown "5, 4, 3, 2, 1" and then it shut off. It's not the contrast because i have tried that. I took out the batteries and held "on" for ten seconds like the manual says to re-set then put the batteries back in. Ive hit every button. ive hit "on" "2nd" and "cancel" all at the same time. I have no idea what the problem is and if anyone has an idea it would be great. thank you

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2 Answers

Just try 2nd and up, it could only be the contrast that would do 5-4-3-2-1

Posted on Sep 22, 2008

Try to connect it to the computer and reboot it

Posted on Sep 16, 2008

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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

2 Answers

Ti 84 plus wont work


TI calculators have an annoying habit of dimming the screen, especially 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 this isn't the problem, please reply to this post and give a fuller description of the problem.

Mar 20, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

My calculater has everything on the screen but its really light. I put in new batteries and it still doesnt work. Its a ti-84.


Turn the calculator on. Press and release the 2ND button. Press and hold the up-arrow button to increase the screen contrast. If you go too far, use the 2ND and down-arrow buttons to decrease the contrast.

Sep 15, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

I pressed 2nd and down arrow and the ti 84 turned off and it won't turn on


Pressing 2ND and down-arrow turned the screen brightness down so that it appears as if the calculator is turned off. Turn on the calculator (or at least press the ON key). Press and release the 2ND key, then press and hold the up-arrow key until the screen becomes legible.

Oct 27, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

I pressed 2nd and then the down button and it blinked 5 4 3 2 1 and turned off and now I can't get it to turn back on!


You've just lightened the screen. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the up-arrow key to darken the screen.

Oct 08, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

I pressed the down arrow button along with 2nd and it said: 5 4 3 2 1 and it made the screen hard to see. i dont know how to fix it


Reverse the process. Turn the calculator on. Press and release the 2nd key, then press and hold the up-arrow key.

Aug 14, 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

My ti-84 has a black screen.how do i reset?


Reset by pressing the 2nd button, then the plus button, then 7, then 1, then 2.

Your contrast has been darkened. You can lighten the contrast by pressing the 2nd button then the down arrow key until the screen gets lighter

Jun 03, 2009 | Texas Instruments TI-84 Plus Calculator

1 Answer

I accidentally dimmed my display screen, how do I fix it?


Hold the 2nd function button down while pressing the up arrow to darken the screen, alternatively hold the down button to brighten.

Nov 11, 2008 | Texas Instruments TI-84 Plus Calculator

1 Answer

Won't turn on


its probably the contrast..press the on button..press the 2nd button and then press the up button..repeat several times until the contrast is fixed.

Nov 19, 2007 | Texas Instruments TI-84 Plus Calculator

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