iFixit - Answers With Device "TI-84 Plus Silver Edition"

TI-84 Plus Silver Edition: My buttons won't work

Mon, 23 Aug 2021 15:02:23 -0700

When I turn my calculator on, the calculator will not recognize when I push any of the buttons.

⟐ Commented August 23, 2021 at 15:02 MST

TI-84 Plus Silver Edition: Why my calculator is not charging?

Sat, 20 May 2023 22:27:17 -0700

When I plugged in the charger, it shows greenlight but still low battery even though I charge it overnight

⟐ Answered May 20, 2023 at 22:27 MST

TI-84 Plus Silver Edition: Where can I buy replacement parts for TI-84?

Fri, 16 Sep 2016 19:59:49 -0700

How can I purchase motherboards and screens for TI 84?

⟐ Answered September 16, 2016 at 19:59 MST

TI-84 Plus Silver Edition: Calculator won't turn on

Sat, 17 Jan 2026 20:38:49 -0700

My TI-84 Plus calculator will not turn on. It is one year old, and seems like new, but won’t turn on. Any suggestions? I can’t find a reset button on it.

⟐ Commented January 17, 2026 at 20:38 MST

TI-84 Plus Silver Edition: How do I fix the screen on my calculator?

Sat, 15 Oct 2016 14:56:32 -0700

A small table was placed heavily on the screen and now there is a small mark on the screen that is light in the middle and dark in the surroundings. When I type in a number, I can faintly see through this mark, but it gets a bit frustrating, and I begin Calculus next semester. I cannot afford a new calculator and this one is functioning very well. This screen problem is a nuisance!

⟐ Commented October 15, 2016 at 14:56 MST

TI-84 Plus Silver Edition: What do I do if my calculator screen is cracked?

Tue, 13 Sep 2022 08:55:41 -0700

my screen has cracked and I'm not sure how to fix it or if it needs repair.

⟐ Commented September 13, 2022 at 8:55 MST

TI-84 Plus Silver Edition: How to turn on newly bought TI-84 Plus Calculator?

Fri, 12 Mar 2021 09:20:47 -0700

My aunt recently bought me a new TI-84 Plus for college and after opening the package and inserting all of the batteries I can't seem to figure out how to turn the calculator on. I've tried simply pressing and holding the ON button & taking the batteries out and putting them back in. I've also hooked it up to the USB cable that came with it, but after 15 minutes of charging nothing seemed to happen. Am I doing something wrong or forgetting something? Do I just need to let it charge more or is there some software I need to download or something? Thanks to everyone in advance.

⟐ Answer deleted March 12, 2021 at 9:20 MST

TI-84 Plus Silver Edition: Flashing cursor on TI-84 Plus?

Tue, 07 Aug 2018 14:33:51 -0700

I haven't used my calculator since the AP Calc test, so I don't know specifically when it happened, but now when I turn it on, I can't do anything.

At first the screen just flashed "Ans^-1" (but the actual display of power of negative one) over and over, like I had selected it, but no matter what button I hit, nothing happened. I pulled out the batteries a couple times, waited half an hour, but nothing changed.

Then today I took out the backup battery as well, which did a little. Now it just flashes over an empty space, like when it's waiting for you to type the first number, but I still can't do anything with it. Help?

⟐ Answered August 07, 2018 at 14:33 MST

TI-84 Plus Silver Edition: Why is my calculator screen disappearing?

Fri, 20 Jan 2023 13:17:54 -0700

Hello! When I was trying to delete the history on my calculator, I must have done something wrong and now, slowly but surely, the screen is disappearing. Please refer to the picture posted and help me solve this problem.

⟐ Answer accepted January 20, 2023 at 13:17 MST

TI-84 Plus Silver Edition: A few buttons on my calculator aren't working

Tue, 07 Aug 2018 14:34:57 -0700

I bought this ti-84 plus black graphing calculator on ebay and the LN, 4,5,6 and - buttons dont work.

⟐ Answered August 07, 2018 at 14:34 MST

TI-84 Plus Silver Edition: Battery Cover Screw to lock door

Fri, 20 Apr 2018 06:58:34 -0700

There are 6 screws for the back of the calculator. I want to add a small screw to secure the battery cover door so that students won't "steal" the batteries.

Since IFixit has done its teardown, do you think this is possible/probable?

⟐ Answered April 20, 2018 at 6:58 MST

TI-84 Plus Silver Edition: What is causing lines through some numbers?

Thu, 08 Oct 2015 19:00:41 -0700

When I turn on my ti84 and type in numbers, some appear with vertical lines through some of them, how do I get rid of the lines?

⟐ Answered October 08, 2015 at 19:00 MST

TI-84 Plus Silver Edition: No power for the instrument

Tue, 25 Jul 2023 09:21:52 -0700

I changed a new set of batteries but still no power.

⟐ Answered July 25, 2023 at 9:21 MST

TI-84 Plus Silver Edition: Where is the LOGBASE function

Thu, 21 Jan 2021 12:32:02 -0700

Where is the "LOGBASE" function on the calculator? It's on the 84 plus calculator, but I cannot find it on mine.

⟐ Commented January 21, 2021 at 12:32 MST

TI-84 Plus Silver Edition: Only 1 graph for 2 Inputs?

Thu, 05 Dec 2024 14:39:20 -0700

So I have two inputs put into my (Y=) values and both of the equal signs are "highlighted". Then when I go into the graph, only one equation shows up. Yes they are 2 different equations, one is a cubic and the other is a quadratic so they should look totally different. If I go to the table menu after viewing the graph, only 1 set of values appears and if I go back to the (Y=) menu, the Y2 equal sign isn't "highlighted" anymore either. Bottom line is that no matter what, only one equation shows up on the graph.

⟐ Answered December 05, 2024 at 14:39 MST

TI-84 Plus Silver Edition: Screen wont fully turn on

Mon, 16 Dec 2019 15:48:45 -0700

I turn on the screen and it works for a second then it turns back off. It does it all the time.

Its actualy a TI-84 Plus C Silver Edition i couldn't find it on the list of calculators to fix.

⟐ Commented December 16, 2019 at 15:48 MST

TI-84 Plus Silver Edition: How can I get a new backup battery for the calculator.

Tue, 07 Aug 2018 16:34:29 -0700

can i get a new backup battery for the calculator.

an I order a backup battery for this calculator

⟐ Answered August 07, 2018 at 16:34 MST

TI-84 Plus Silver Edition: EMERGENCY! My calculator fell and now it has lines going through it!

Tue, 07 Aug 2018 15:49:08 -0700

After my ti-84 plus calculator fell, it has lines going through it. When I type numbers in it gets cutoff. How can I fix this without having to buy a new calculator?? I have tests coming up, pls help ASAP

⟐ Answered August 07, 2018 at 15:49 MST

TI-84 Plus Silver Edition: Calculator pulses on and off, resetting ram and OS does nothing.

Sat, 02 Sep 2023 04:07:40 -0700

Here is what happens:

1) I pull out all batteries so the RAM can reset.

2) Put batteries back in and calculator starts working for about 30 seconds

3) Calculator shuts off by itself

4) Turn on, screen flashes real quick to display where I previously was, then shuts off.

5) #4 repeats until ram is reset again.

Things I have tried

-OS Reset

-RAM Reset

-Backup battery and battery replacements

-Cleaning connectors

I have another calculator I can sub out parts with.

Is it a capacitor or something I need to replace?

⟐ Commented September 02, 2023 at 4:07 MST

TI-84 Plus Silver Edition: My calculator shows ERR: INVALID when trying to calculate Y of graph

Mon, 31 Jul 2023 05:45:05 -0700

My calculator is a TI-84 Plus Pocket SE. Basically as the title says, let’s use Y=X graph as an example. If I have my window values of X set to Xmin = -10 and Xmax = 10, and I graph the function Y=X and use the “calc value” function to try to calculate for a x value beyond the X window values (for e.g x=11) I will get an ERR: INVALID.

Is it impossible to calculate y values for X that is beyond your currently set X window values? Or there is something wrong with my calculator settings and how do I correct it? Thanks alot.

⟐ Answered July 31, 2023 at 5:45 MST