Solution 10600: Troubleshooting a TI-83 Plus™ Family or TI-84 Plus Family Graphing Calculator That Displays RAM Cleared.
What troubleshooting steps can I try if my TI-83 Plus family or TI-84 Plus family graphing calculator displays RAM cleared?
If a TI-83 Plus family or TI-84 Plus family graphing calculator consistently displays the RAM cleared message, the following steps will help in troubleshooting the problem.
1) Try a new set of batteries (including the backup battery).
Please Note: After replacing the batteries, adjust the contrast by pressing and releasing the [2nd] key followed by pressing and releasing the [up arrow]; repeat as necessary. To adjust or lighten the display, press [2nd] [down arrow].
2) Remove one of the AAA batteries. With one of the batteries removed, press and hold the [CLEAR] key. While holding [CLEAR], reinsert the AAA battery and then turn the calculator on. The calculator should display the message "RAM Cleared". Release the [CLEAR] key and then press it one more time to remove the message.
3) Remove all of the batteries including the round lithium battery for 5 minutes. After the 5 minute period, reinsert all of the batteries and turn the calculator on. Adjust the contrast if necessary.
4) Remove one of the AAA batteries. Press and hold the [DEL] key. While holding [DEL], reinsert the AAA battery and then turn the calculator on. The calculator should display "Waiting...Please install calculator software now". From here, follow the instructions listed for Correcting the Error Message Waiting...Please Install Calculator Software Now on the TI-83 Plus Family or TI-84 Plus Family Calculator.If you have questions about the information listed above, please contact TI-Cares for additional assistance.