Solution 11792: Troubleshooting a TI-83 Plus Family or TI-84 Plus Family Graphing Calculator Requesting a Password.
How do I use my TI-83 Plus family or TI-84 Plus family graphing calculator when it is requesting a password?
The presence of certain assembly shell programs developed outside of Texas Instruments are known to cause the TI-83 Plus family or TI-84 Plus family graphing calculators to request a password to use the calculator. The password will have to be entered correctly or the assembly shell program will need to be removed in order to bypass the password and use the calculator.
The following procedure will delete all the items that are in the RAM of the graphing calculator. This includes all programs, games, pictures, functions, lists, etc. This procedure may also delete all items stored in the FLASH ROM of the graphing calculator. This includes all FLASH apps (pre-loaded or otherwise) as well as appvars.
• Remove 1 AAA battery.
• Press and hold down the [DEL] key for 30 seconds.
• Replace the AAA battery.
• While holding down the [DEL] key, Press and hold down the ON Key.
• If the calculator turns off during this process, press the ON key.
• Once the calculator is turned on, the message RAM Cleared, will be displayed.
If the reset procedure above does not work, please contact ti-cares for further assistance.
Please see the TI-83 Plus family and TI-84 Plus family guidebooks for additional information.