Question about Texas Instruments TI-84 Plus Silver Edition Graphic Calculator

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Calculator went dead. changed the batteries still not working. only had a little over a year.

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

Posted on Nov 11, 2010

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1 Answer

It just went dead..no display, changed batteries and still nothing. I was using it when this happened.


It is possible that the calculator went dead because the main batteries were depleted. However when you change the main batteries, it is often the case that the display contrast changes, and may become too light for you to see anything. If that is the case, you can increase the contrast of the screen.
Press the [2nd] key and release it.
Press and HOLD the [UpArrow].

The contrast should increase and the screen darkens. Keep pressing the UpArrow until the display is satisfactory to you.

Jan 31, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

My TI-83 PLUS wont turn on


Remove one battery from the calculator and then press and hold down the CLEAR key while re-installing the battery. While continuing to hold down the CLEAR key, press and hold down the ON key. If this doesn't work, then hold DEL and then ON. If unsuccessful, remove all the batteries, including the lithium watch battery, and leave the calculator like that for a while.

This is documented in the TI-83 Plus Guidebook, but unfortunately, not many people know about it.


If that doesn't work, send it to TI for repair. They probably won't even charge you!

Mar 20, 2017 | Texas Instruments TI-83 Plus Calculator

1 Answer

Calculator went dead ... changed the AAA batteries .. still nothing .. changed the CR1616 battery .. still nothing ... worked great last night while doing my homework .. didn't drop it or bang it .....


It is possible that the screen dimmed too much after you changed batteries. One of the two procedures will work.

Press the [2nd] key and release it.
Press the UpArrow and keep it held down for a while. As you hold pressure on UpArrow key the screen should darken. Stop when satisfied.

Alternative.

Press [2nd] key and hold pressure.
Press the UpArrow repeatedly until screen darkens to your liking.

Sep 21, 2011 | Texas Instruments TI-85 Calculator

1 Answer

My HP35s keeps flashing MEMORY CLEAR. I removed the batteries and reset it with a paper clip. Nothing works.


I'm not sure if it is the only solution, but I had the same problem and I replaced the batteries. My HP35S works fine now.

Previously, however, there was no "battery" annuciator on the screen. This calculator went four years without a bettery change. My HP48GII, on the other hand won't go two months without a change. Go figure.

May 11, 2011 | HP 35s Scientific Calculator

1 Answer

The backup battery went dead and I replaced all the batteries, No response to the on button, Bob E


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.

Sep 27, 2010 | Texas Instruments TI-86 Calculator

1 Answer

I have a Texas Instrument TI-84 Plus and the batteries went dead for quite some time now. I got four brand new AAA 1.5V alkaline batteries and clean the contacts for the battery on the calculator with a...


The backup battery should have nothing to do with this. 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 this doesn't do it, please reply to this post and we'll go on from there.

Sep 22, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

How can I revive my TI89 after two years of not using it?


It could be that you need to replace the backup battery located behind a little door with a screw in the battery compartment. If this doesn't work, try resetting your calculator by leaving backup and AAA batteries out for about 8 hours and reassembling it. Hopefulyy this will work. Good luck

Jul 29, 2009 | Texas Instruments TI-89 Calculator

2 Answers

TI-35 Plus


Make sure the battery contacts are clean. I just fixed mine, as it had been sitting for some years and the batteries went bad.

I gently cleaned any "green mold" from the contacts with a light Scotch-Brite pad and some electrical contact spray that I got at a local hardware store.

I tested the batteries with my digital meter to make sure they were 1.5V or more and put everything back together. Works great!

Give it a whirl---this is a nice little calculator. I bought mine in 1990-1991 and it's gotten me through undergraduate and graduate school...

Sep 05, 2008 | Texas Instruments TI-34II Explorer Plus...

1 Answer

My TI-89 Titanium Is Dead


You might have deleted something that the calculator uses to connect to the computer and run. If you can still connect, just download the software from the TI site and re-install it. If that does not work buy a new calculator, and plus a new one only costs 40- 50 dollars more than that repair.

Mar 16, 2008 | Texas Instruments TI-89 Calculator

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