Question about Texas Instruments TI-89 Calculator

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Does not turn on

I have a Texas instrument TI-92. I didn't use it for a long time. I put it without a battery. When I tried to use it now with new batteries, it will not turn on. How can I turn it on?!

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TRY TO CHANGE THE LITIUM BATTERIES.

Posted on Jun 03, 2008

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Posted on Jan 02, 2017

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1 Answer

TI 92 Turns on but has a black screen.


This is expected behavior when batteries are replaced and you don't need to reset the device, simply adjust the contrast more than you would think it should take.
See the answer to a similar question at When powered on the LCD screen is dark blue.

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Hello,
Adjust the screen contrast
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Hope it helps.

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1 Answer

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Hello,
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Your calculator's software is probably corrupt. I suggest you buy a new calculator

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