Question about Texas Instruments TI-83 Plus Calculator

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Black screen tried everything hard reset and the contrast nothing what can i do to fix it

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If one of these solutions doesnt work you will most likely need to purchase a new calculator.

Batteries:
Make sure to replace the "battery backup" too the little lithium ion battery

Try Adjusting contrast:
Hold down "[2nd]" key press up or down arrow repeatedly to lighten or darken contrast.

First attempt reseting:
Step 1: Remove all the batteries
Step 2: Hold "Clear" key down
Step 3: Still holding "Clear" key reinstall batteries
Step 4: Still holding "Clear" key press "On" key until home screen is displayed.

Second shot reseting:
remove all batteries including lithium ion (backup battery), wait 3 hours and reinstall batteries.

Third Shot reseting:
Step 1: Remove a battery
Step 2: Hold down "DEL" key reinstall battery
Step 3: Possible msg pops up saying "Waiting ... Please install software" IGNORE msg and take out battery again
Step 4: Reinstall battery do not hold down "DEL" key

reseting will cause the handheld to loose all of its stored memory.

Hope that helps!

Posted on Jan 30, 2008

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Press [CLEAR] button to clear the screen. Try to reset the calculator to defaults as follows [2nd][MEM][7:Reset][2:Defaults].

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