Caution: This will delete your calculators software, but if you followed the instructions above then you can get this back easily. Press and hold the (DEL) button while removing and replacing a battery. Before preceding learn how to back up your calculator here. Please Note: If the above steps do not work and you are using a TI-84 Plus CE please try the steps in Kbase#37116 if your calculator is unresponsive. The software in your calculator may be corrupted. Make sure the calculator appears in the TI Connect CE™ Software Content Panel in the TI Connect CE ™ Software, click on “Actions” and then “Send OS.” (Warning: Do not disconnect the cable during a transfer.)ĥ) Navigate to the OS file you saved on your computer.Īlternatively, you may drag and drop the OS file you saved on your computer from your computer to your calculator in the “Calculator Explorer” workspace. If it is not completely pushed in the computer will not detect it.Ĥ) Turn the calculator on. At this point, it will be necessary to reinstall the calculator's operating system.Ģ) Connect the calculator to the computer and verify the USB cable is completely pushed into the TI-84 Plus CE using a standard A to mini B USB Cable and it is a tight fit. Please Install Calculator Software" should appear. To do this follow the steps below:ġ) (TI-84 Plus CE only ) While holding the keys down, press and release the RESET button on the back of the calculator. As a last result, try to reinstall the OS.
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