Question about Texas Instruments TI-83 Plus Calculator

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Random symbols, upside down and on the bottom of the screen

I did not drop it, it worked fine the other day. Turned it on in class today and when i type aything in i get randm symbols or the numbers are on the bottom of the screen some upside down some right side up on a different line. Never seen anything like this, changed batteries tried clear and reset ram when i was able to kind of understand what the calculator was trying to say.

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  • Texas Instru... Master
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Hello,
You should reinstall the system which you find here

http://education.ti.com/educationportal/downloadcenter/SoftwareList.do?website=US&tabId=1&paneId=2

Use the link below to install TIConnect software
http://education.ti.com/educationportal/sites/US/productDetail/us_ti_connect.html You can also download the latest OS there.

Install TI connect on your computer and run it to open the main Window. Then connect you calculator to a USB port and, in the TIConnect main window Click the TIDeviceInfo icon. Software will try to retrieve the info. If it does your calculator is fine.

If it tells you Device Not found , Click communication settings in same pop up window where it said Not found, and Select Device, Select Cable, Select Port and Click OK..

If you are lucky and it works, you should reinstall the OS, which can be downloaded from education.ti.com. You drag and drop the OS on the TIconnect main window. Calculator must of couse be connected to computer.

If you have problem with TIconnect, use the calc-to-calc cable to transfer the OS of a working calculator. Yous should be on Receive mode [2nd][Link] --->>Receive. (When both calculators are ready hit enter.) The other calculator, you guessed exactly right, must be on Send [2nd][Link][SEND][G:SendOS]. (When both calculators hit [ENTER])

If all that does not work, then it may be time to head for a place of worship to pray for its resurection, or look for a repair shop.
Hope it helps

Posted on Sep 14, 2009

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