Q&A #1651

Teachers' Lounge Discussion: TI-83 or TI-83 Plus Graphing Calculator

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From: Shaun

To: Teacher2Teacher Public Discussion
Date: 2006042021:36:27
Subject: Fixing the Black Screen/Black Pixel Problem

I got these instructions from TI company. Hope it helps. -------------------------------------------------------- Black-Screen/Black-Pixel Fix for TI-Calculator This will erase all memory and reset defaults. 1. Remove 1 AAA Battery 2. Press and Hold 'ON' for 30 seconds 3. Replace AAA Battery 4. Adjust Contrast to appropriate level If this fails, try again with ALL Batteries removed including the backup Lithium Battery. If all else fails, try the following reset procedure: 1. Remove ALL Batteries (inc. Backup) 2. Let Calculator sit with no batteries for 2~4 hours. 3. Hold 'ON' for 30 seconds. 4. Replace all the batteries (May be good idea to use new batteries just in case old ones were dead) 5. Turn on Calculator 6. Change Contrast to appropriate level - Remember to use correct batteries or calculator may not work. The correct batteries are Alkaline, Rechargable Batteries are TOO WEAK, Heavy Duty batteries are TOO STRONG. ----------------------------------------------------------

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