TI-84 Plus CE Recovery Techniques.

Step 1 Did you try turning it off and on again?




• Some problems can be fixed simply by powercycling.
• Press [2nd]
• Press [on]
• The calculator should now be turned off.
• Press [on] to turn it back on.
Step 2 Perform a RAM reset with the reset button.




• This will clear all information stored in the RAM!
• Information stored in the Archive will be safe.
• Remove the slide case and turn your calculator on its back.
• Take a pencil or thin object and press and hold the 'reset' button on the back of the calculator for at least 2 seconds, then release.
• After a second or two, your calculator should say "RAM Cleared".
Step 3 Perform a RAM reset by removing the battery.
• This will clear all information in the RAM!
• Information stored in the Archive will be safe.
• Refer to this guide for instructions on how to remove the battery.
• Reinsert the battery after a few seconds.
• Your calculator should automatically turn on and display a "RAM Cleared" screen.
Step 4 Re-install the OS (Part 1: TI Connect CE)
• This will clear all information stored in the RAM!
• This could erase information stored in the Archive!
• Backup your information to your computer or another calculator if you want to save information.
• Install TI Connect CE. (If you already have it installed, you can skip this step)
• If you are running either MacOS or Windows, go to TI's website and download TI Connect CE.
• If you are running Linux, install TiLP.
• Open TI Connect CE.
• Connect your calculator to your computer via a USB to mini USB adapter.
Step 5 Re-install the OS (Part 2: Initializing the calculator)
• All warnings from Part 1 still apply.
• Press and hold [2nd] and [del].
• Turn the calculator over; press and release the 'reset' button.
• Keep holding down [2nd] and [del]!
• If you did it correctly, you will see a 'Install OS now' screen. If you do not see this screen, try again.
• Once you see this screen, you can release [2nd] and [del].
Step 6 Re-install the OS (Part 3: Sending the OS)
• All warnings from Part 1 still apply.
• Download the most recent OS from TI's website.
• In TI Connect CE, click on 'Actions', then 'send OS/Bundle to calculators...'
• Navigate to where you saved the OS and select it.
• Wait for it to load, then click 'send'.
• This will take a few minutes.
Step 7 Re-install the OS (Part 4: Recieving the OS)
• DO NOT UNPLUG THE CABLE DURING TRANSFER! You risk damaging your calculator!
• All warnings from Part 1 still apply.
• Wait for the OS to send and verify.
• Once finished, you should see a 'RAM cleared' screen. Your calculator is now finished installing the OS.

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TheLastMillennial

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