Author Topic: ti84+SE keyboard stopped working  (Read 6674 times)

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Offline TheCoder1998

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ti84+SE keyboard stopped working
« on: April 23, 2014, 06:47:48 am »
i've got a serious problem


yesterday i've decided to clean my calculator because it was dirty as all hell
i decided to take a damp towel and rub around the keys.
but i guess it was a little too damp, because now all the keys exept for the on key don't work anymore


please tell me i can fix this, because i can't afford a new graphing calculator atm :/
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Offline TheCoder1998

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Re: ti84+SE keyboard stopped working
« Reply #1 on: April 23, 2014, 10:07:14 am »
bumpity bump
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Offline Keoni29

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Re: ti84+SE keyboard stopped working
« Reply #2 on: April 23, 2014, 11:59:34 am »
If you open it up, take off the rubber membrane and leave it to dry it should work again. You can get a small hex bit from any hardware store.
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Offline DJ Omnimaga

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Re: ti84+SE keyboard stopped working
« Reply #3 on: April 23, 2014, 12:15:22 pm »
Would the trick with the rice+ziploc bag work?

Offline TheCoder1998

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Re: ti84+SE keyboard stopped working
« Reply #4 on: April 23, 2014, 12:18:48 pm »
ziploc bag?
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Offline ElementCoder

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Re: ti84+SE keyboard stopped working
« Reply #5 on: April 23, 2014, 12:42:44 pm »
Those sealable plastic bags.

« Last Edit: April 23, 2014, 12:47:01 pm by Runer112 »

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Offline Runer112

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Re: ti84+SE keyboard stopped working
« Reply #6 on: April 23, 2014, 12:45:58 pm »
Rice is a dessicant, so it tends to absorb moisture from its surroundings. Putting the calculator and rice in an airtight bag only allows the rice to absorb moisture from the calculator once any moisture in the limited amount of air in the bag is absorbed. If you've ever seen rice inside of a salt shaker in a restaurant, it's there to keep the salt dry.

Whether or not this tactic would actually work in this case, I'm not sure. But I've had an iPod touch be in a washing machine for about 5 minutes which seemed as if it had killed it, so I dried it off the outside and put it in a bag with rice. I took it out about a day later to discover that everything except the wifi worked, which was a better outcome than I had feared.
« Last Edit: April 23, 2014, 12:48:13 pm by Runer112 »

Offline TheCoder1998

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Re: ti84+SE keyboard stopped working
« Reply #7 on: April 23, 2014, 01:37:12 pm »
well, thanks :D
trying this is better than nothing, i'll let you guys know if my calc survived!
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Offline TheCoder1998

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Re: ti84+SE keyboard stopped working
« Reply #8 on: April 23, 2014, 02:19:28 pm »
my calc works again :D

thank you guys for your help! :thumbsup:
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Offline Keoni29

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Re: ti84+SE keyboard stopped working
« Reply #9 on: April 24, 2014, 03:28:37 am »
Did you put it in a bag of rice or did it just dry to the air?
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Offline aeTIos

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Re: ti84+SE keyboard stopped working
« Reply #10 on: April 24, 2014, 04:58:55 am »
Protip: next time you clean your calc, only make one corner of the towel wet. Next, rub the rest of the towel over that. That makes the whole towel only slightly humid.
That's what I always do at least :p
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Offline Keoni29

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Re: ti84+SE keyboard stopped working
« Reply #11 on: April 24, 2014, 05:05:28 am »
I use isopropyl alcohol to clean my calculator. It instantly vaporizes, so it does not get time to get inside the calculator.
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Offline Streetwalrus

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Re: ti84+SE keyboard stopped working
« Reply #12 on: April 24, 2014, 05:28:42 am »
I use isopropyl alcohol to clean my calculator. It instantly vaporizes, so it does not get time to get inside the calculator.
Plus it doesn't mess with electricity. :P

Offline aeTIos

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Re: ti84+SE keyboard stopped working
« Reply #13 on: April 24, 2014, 05:31:01 am »
Doesn't it remove the numbers on the keys though?
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Offline Streetwalrus

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Re: ti84+SE keyboard stopped working
« Reply #14 on: April 24, 2014, 05:35:27 am »
Maybe it does I dunno, never cleaned my calc with more than a dry microfiber cloth. :P