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

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TI- 92 crashed

My TI- 92 crashed last night while computing a nasty integral. I've tried everything to reset it but nothing works. The last thing I saw the calculator do was flash (repetitively) Try ... End Try on the screen. Nothing I did would allow me to escape out of the error. Finally I pulled a battery and then replaced it. It came back on with a high contrast but would not allow me to adjust the contrast. Then, it shut down and never powered back on. I assumed this was a memory issue which required a full reset and so I removed all batteries, including the backup battery. Still, no luck. Is there any hope for my TI- 92, or do I simply need to lie it to rest?

Posted by kristi_h on


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I would not let it lie to rest yet. Play again with the contrast: Lower it so
Press [diamond] key the green one beteen the [ON] and [2nd].
If that does not work it may be because by removing the batteries while the calculator is [ON] you might have pressed inadvertently a button on the keyboard, and that can lead to erasure of the OS. Besides, you cannot change all batteries at the same time:Backup batterie should be in and in good working order when you change main batteries. Similarly, main batteries should be in place when you change backup batteries.

There may yet be a chance to get it back to life and that is to install the operating system through a computer.
You need the cable (TI SilverCable from Staples or Office Depot).
You need to download The TI Connect Software from and install it on the computer.

After installing the software on the computer, run TI connect, then connect the calculator to the computer, and press the [ON] key. Usually it turns on as soon as you plug the TISilvercable into the calculator port.

In the TIConnect window there are several icons (TI device explorer, TI Screen Captrure ) You may try to use them to see if the calculator responds. If it does you calculator is not totally damaged).
Whatever the results of the foregoing actions, you should try to install the OS.

At the top of the TIconnect windows there are 4 round buttons (2 green, 2 gray). Click the Update button. (you must be connected to the Internet) If it works, I congratulate you. If it does not, I have no idea what you might do next.

Hope it helps.

Posted on Sep 02, 2009


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