Question about Texas Instruments TI-86 Calculator

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Calculator will not turn on. - Texas Instruments TI-86 Calculator

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  • kakima May 11, 2010

    Have you tried a fresh set of batteries?

    The 86 doesn't work well with rechargable batteries, so try a set of ordinary alkalines.

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TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

Posted on Mar 15, 2010

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1 Answer

I can't turn on my calculator


TI calculators have an annoying habit of dimming the screen, especially when the batteries are changed, so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

Nov 17, 2012 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do I get the calculator to turn on again? The display doesn't show anything. Batteries checked okay. Thanks. Adolf


First, try adjusting the screen contrast. Turn the calculator on (or at least press the ON key). Hold down the C key and repeatedly press the + key to darken it.

If that doesn't do it, try reseting the calculator. Turn the calculator on. Hold down the C key and press the GTO key.

If that doesn't do it, use a thin pointed object (unfold a paper clip or use a sewing needle) and press the reset hole on the back of the calculator.

If that doesn't do it, the calculator may need servicing (or replacement).

Mar 22, 2011 | HP 35s Scientific Calculator

1 Answer

Everytime I turn on my TI-84 Plus Silver, it stays on for 2 seconds, then shuts off on its own. What can fix this? Other details: When it turns on, sometimes it displays Ans+


Hi mixedgamer12,
The process below should reset your Ti84 plus calculator. If you do this process your RAM memory will be cleared and, you will have to re-install the Ti84 plus calculator's OS.
  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.
  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 in step 3. If the calculator still won't turn on connect the calculator to the computer and, open Ti Connect. Next, open Device Explorer. Is the calculator asking to be installed? Can you go into Device Explorer?
  3. Steps to re-installing the operating system:

    ~Connect the TI Connectivity cable between the PC and the calculator if you haven't already.
    ~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.

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

Dec 31, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

My ti 83 calculator turns on but nothing shows


TI calculators have an annoying habit of dimming the screen, especially when the batteries are changed, so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

May 20, 2010 | Texas Instruments TI-83 Plus Silver...

1 Answer

TI-83 Plus ram cleared message when turned on


It calculator tells you Ram Cleared each time you turn it on, the most likely reason is that the backup battery is depleted. Its role is to keep the memory modules electrically refreshed when calculator is turned off. If the backup battery is dead, the memory is erased when you turn calculator OFF. Main batteries no longer supply power and the contents of the memory are cleared.
  1. Check that main batteries are good and inserted in calculator.
  2. Turn calculator OFF.
  3. Replace the backup battery.
  4. Turn calculator ON.
  5. Press the [CLEAR] key to erase the "Ram Cleared" message.

Jan 19, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

New batteries, calculator won't turn on. It turns


TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on at all. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

Dec 03, 2009 | Texas Instruments TI-83 Plus Calculator

1 Answer

How do I reset to get rid of a '','' from my hpc calculator


  1. Turn off the calculator.
  2. Hold down the decimal point.
  3. Continue to hold the decimal point key, while turning on the calculator.
The comma should change back to a decimal point.

Jun 17, 2009 | HP 12c Calculator

1 Answer

Ti-84 plus silver edition will not turn on or off except when Ti-Connected


First try to copy all your programs from the calculator to the computer and then delete all ur files in the calculator and download the files back on to your calculator.

Dec 14, 2007 | Texas Instruments TI-84 Plus Silver...

1 Answer

HP 49g+ Calculator Does Not Turn On


Try n cold start, reseting the calculator, introducing an wire in the back small oriffice in the calculator. It may fix the problem.

JC

Mar 26, 2007 | HP 49g+ Calculator

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