Question about Texas Instruments TI-84 Plus Calculator

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Calculator got wet will it work again? - Texas Instruments TI-84 Plus Calculator

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  • kakima May 11, 2010

    That really depends on how wet it got, and with what. Was it fresh water, salt water, coffee, soft drink, what? And how much of the liquid got inside? Did you remove the batteries as soon as it got wet?

    Remove the batteries if you haven't already done so. Let it air dry at least overnight. Then, when it seems dry, insert batteries and try to turn it on. If it turns on, fine. If it doesn't, remove the batteries again and let it dry for another 12-24 hours.

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Maybe. Independent of the drowned device, you should immediately remove the batteries to avoid electrochemical reactions. If you are able to dismantle the device, do it. It may be a good idea to rinse all parts with distilled/deionized water to remove any dirt, soap, sugar or salt contaminations - remember, dirty/salty water is a conductor for electricity.
Do not use alcohol or other chemicals for the cleaning.

Carefully towel away as much liquid as you can using clean tissues. For drying, let it open in the air in a clean (not dusty) environment for a day or two. Alternatively you can use a blow dryer to speed up the process but be careful with the temperature; plastic and glass do not like to get hot.

If you are lucky, the device may work again after dying and assembling.

Posted on Feb 07, 2010

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