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Posted on Dec 29, 2010
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When you press the on key it flashes on but does not stay on

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Anonymous

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  • Posted on Jan 01, 2011
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Hi calcu,
The process below should reset your calculator.

Please be prepared to re-install the calculator's OS if you run through this process.

Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds. Now, Pressing the [2nd] key followed by pressing and releasing the up arrow; repeat as necessary. Is the screen showing any activity? If not continue the process.

  1. Remove one of the AAA batteries. 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. If calculator did not display the message try pressing and releasing the [2nd] key followed by pressing and releasing the up arrow for one second. Goto step 2.
  2. 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". Follow the instructions for the
    TI-83 family or TI-84 Plus family to reinstall the calculator operating system. If the calculator did not turn on connect the calculator to the computer and open Ti Connect. Next, open Device Explorer. Is the calculator asking to be installed? goto step 3.
  3. Steps to re-installing the operating system:

    ~Connect the TI Connectivity cable between the PC and the calculator.
    ~Click on Start >> Programs >> TI Tools >> TI Connect >> TI OSDownloader
    ~Follow the on-screen directions to reinstall the calculator's OS. When or, if the calculator install the fresh OS goto step 4.

  4. 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.

If the above process did not work. Try re-doing the process and, extend the time in step 4 by 5 minutes to 10 minutes before you put all the batteries back in the calculator.

  • Anonymous Jan 12, 2011

    You can get the latest copy of Ti84 Plus 2.55v. MP OS, by going to my link below. Just follow Procedure 1. Plus a lot of other useful information about Ti Connect and, Windows OS at my link. The Ti OSDownloader sometimes doesn't give you the latest OS but, I will.

  • Anonymous Jan 12, 2011

    http://www.fixya.com/support/t7769727-ti...

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