iFixit - Answers With Device "Texas Instruments TI-83 Plus"

Texas Instruments TI-83 Plus: One of the button rows doesn’t work

Thu, 16 Oct 2025 07:42:33 -0700

The 2nd to bottom row of buttons, specifically Sto→, 1, 2, 3, and +, isn’t working. They were working fine until one day they stopped working. I use the calculator a lot so I would appreciate any answers because it’s $100 to buy a new one.

Texas Instruments TI-83 Plus: TI-83 Plus keeps going blank when it get's to the bottom of the screen

Sat, 04 Nov 2023 11:05:25 -0700

I have a TI-83 Plus Silver Edition that I just recently purchased because my other one was having this issue, and now this new one is having the same issue. What happens is I'll be typing stuff in and once the numbers get to the bottom of the screen, it just shuts off and I have to press 2nd on to fully shut it off before I can get the screen to show up again. I just gave it new batteries, including a new cell battery and I tried resetting it. Sometimes with this new calculator the screen will just randomly go blank before I've even reached the bottom of the screen.

Basically, either the screen shuts off or it turns really dark and a bunch of black lines appear when I reach the bottom of the screen. Does anyone know how to fix this? I bought it used, maybe somethings worn out idk.

Texas Instruments TI-83 Plus: How do I fix nothing working but contrast?

Sat, 21 May 2022 10:08:50 -0700

When the calculator turns on, the only function working is changing the contrast. You can put the contrast up and down, but you can't see anything being entered at any contrast. It seemed like it was the buttons, so I cleaned it, but it didn't seem to work.

⟐ Commented May 21, 2022 at 10:08 MST

Texas Instruments TI-83 Plus: checkerboard cursor is displayed when I turn it on.

Fri, 17 Sep 2021 06:54:31 -0700

do i need to reset , calculator has been with me since 2016, i might need a new one but it does not let me get past the checkerboard curso screen . its a dark checkerboard screen everytime i turn it on. help please

Texas Instruments TI-83 Plus: The port on my Ti-83 plus silver edition won't work

Mon, 25 Mar 2019 16:08:56 -0700

The port on my Ti-83 plus silver edition won't work! And I have tried multiple Graphlink cables.

⟐ Commented March 25, 2019 at 16:08 MST

Texas Instruments TI-83 Plus: Where and how can I get a new io port

Sun, 06 Aug 2017 16:45:30 -0700

the io port on my ti 83 calcuator manged to break inside of my calculator making impossible to connect. so is there a place i can go to buy a new io port and how to repair it.

Texas Instruments TI-83 Plus: One row of keys not working

Wed, 19 Jul 2017 10:49:50 -0700

The row of keys from "Clear" all the way to "Enter" (the most right row on the keyboard) of my Texas Instruments ti-83 plus aren't working. Also, the directional keys aren't working. Strangely, a few days ago, they still worked nice as normal. I already opened the calculator to find maybe any dirt or contaminated contact (cleaned them with rubbing alcohol), but still no functioning keys. Battery are fully charged, and the rest of the keys just work fine.

Does anybody know how to fix this problem?

Texas Instruments TI-83 Plus: TI-83 plus won't turn on

Tue, 23 May 2017 13:09:01 -0700

My TI-83 Plus has sat mostly unused for the last 8 years. Today, I plugged in 4 batteries, and got an all-black screen. Assuming it was a contrast issue, I hit 2nd+down repeatedly. That did nothing. I then took out the batteries and put them back in. This time, the calculator wouldn't turn on.

I searched for the issue and tried the standard methods of holding down "CLEAR" + "ON" and also holding down "DEL" while taking out a single battery and re-inserting it. In neither case did the calculator turn back on.

When I take out all the batteries for about 20 minutes or longer and then plug them back in, then the calculator does turn back on, but does the same "all black" screen a couple of times before reverting back to simply not turning on at all.

⟐ Edited by author May 23, 2017 at 13:09 MST

Texas Instruments TI-83 Plus: Ti 83 Not turning on but has horizontal lines

Thu, 15 Sep 2016 19:29:18 -0700

Hello

My ti 83 will not turn on

The only way something will show up on the screen is when I take a battery out, hold clear and put the battery back in.

But when I put it back, horizontal lines show up on the screen

Also the longer I hold clear, the more lines. Also tried del button fix. And the color contrast is fine also. Any ideas?

Texas Instruments TI-83 Plus: Calculator makes extra lines and dots

Wed, 14 Sep 2016 11:40:11 -0700

My calculator it does work but when i click to catalog, modem or too many numbers the claculator makes extra lines and dots and it makes it hard to see the letters and numbers that it displays...i think it has to be with the computer part of it

Texas Instruments TI-83 Plus: Rusting where batteries are?

Thu, 01 Sep 2016 09:22:58 -0700

One of the batteries rusted, I replaced them and tried to use a ear cotton swab to wipe off rust on spring, and my TI83 still isn't working. Is it permanently damaged?

Texas Instruments TI-83 Plus: Why won't my calcualtor graph?

Mon, 22 Feb 2016 23:39:52 -0700

Everytime I try to hit the graph button the calculator says error: window range. I go to the window button, but everything there seems normal. This first happened after I tried to switch the ranges (ymin and ymax and xmin and xmax)

Texas Instruments TI-83 Plus: white line in the center of display

Mon, 25 Jan 2016 16:12:24 -0700

How can i get the white line from the center of the display screen

Texas Instruments TI-83 Plus: Turns on but no buttons working

Sun, 05 Jul 2015 17:14:32 -0700

Changed batteries, cursor comes up in corner but no buttons work. tried typing in any numbers, does not show.

Texas Instruments TI-83 Plus: Some Button Stopped Working?

Mon, 30 Mar 2015 19:28:43 -0700

For some reason the LN, 4,5,6, and - buttons stopped working