Question about Texas Instruments TI-83 Plus Calculator

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Slow key it will not turn off and you have to hold the keys along time to make them respond

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  • 32 Answers

I had this problem before. It is either water damage or theirs a short in your I/O port.
My solution is to leave it somewhere warm for about a day to get the water to evaporate. Take all the batteries/ faceplates/ ect off so that it doesn't stop teh water from staying in. Then after a day. Put everything back in and if it is still slow blow really hard into the I/O port and that should solve the problem.

Posted on Sep 17, 2008

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Posted on Jan 02, 2017

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The screen on my TI-89 Titanium turned blue after replacing batteries? How do I fix this? It turns on and off but does not respond to any other buttons.


If you cannot see anything on the screen, you may need to adjust the graphing TI 89 Titanium calculator contrast :

1.To darken the screen, press and release 2nd key, and then press and hold up-arrow key until the display is sufficiently dark.

2. To lighten the screen, press and release 2nd key, and then press and hold down-arrow key until the display is sufficiently light.

Sep 01, 2012 | Texas Instruments TI-89 Calculator

1 Answer

Won't turn on


hi cbonge,

A battery reset procedure should bring your Ti 84 Plus back to life.

Make sure the batteries are in correctly? The batteries alternate negative/positive, positive/ negative and so on. The first time I put the batteries in, I didn't have them in correctly. I know if it happen to me that anybody could make the same mistake. And of course, the calculator will never come on if the batteries aren't in correctly.

The process below should reset your calculator.

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

1). Pressing the [2nd] key followed by pressing and releasing the [Up Arrow] key. This adjust the contrast in case the contrast was to low. Keep repeating if necessary for about 10 seconds and, then go to the next step. If calculator comes on and responds to key functions your done.

2). 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 starts responding to key functions your done.

3). 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.

4). 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.

5). 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.

6). If the above process did not work. Try re-doing the procedure and, extend the time in step 4, by 5 minutes to 10 minutes before you put all the batteries back in the calculator. These calculators can be a little stubborn at times so, keep trying and follow the procedures.

Jan 07, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

My ti84 plus won't turn on


Hi ezheng1000,

A battery reset procedure should bring your Ti 84 Plus back to life.

Make sure the batteries are in correctly? The batteries alternate negative/positive, positive/ negative and so on. The first time I put the batteries in, I didn't have them in correctly. I know if it happen to me that anybody could make the same mistake. And of course, the calculator will never come on if the batteries aren't in correctly.

The process below should reset your calculator.

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

1). Pressing the [2nd] key followed by pressing and releasing the [Up Arrow] key. This adjust the contrast in case the contrast was to low. Keep repeating if necessary for about 10 seconds and, then go to the next step. If calculator comes on and responds to key functions your done.

2). 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 starts responding to key functions your done.

3). 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.

4). 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.

5). 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.

6). If the above process did not work. Try re-doing the procedure and, extend the time in step 4, by 5 minutes to 10 minutes before you put all the batteries back in the calculator. These calculators can be a little stubborn at times so, keep trying and follow the procedures.

Jan 07, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

My ti-84 plus it does not respond to the function + or - OR other function, & it come up to display very slow ,slow. thanks


Hi xvbanh,

You need to free up some memory. Try clearing your RAM. Your calculator should operate properly afterward.

Go to [2nd] [MEM] [7] [1] [2]

If your calculator still won't let you delete the RAM memory try the procedure below.

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.

Jan 06, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

Will not turn on. We have changed all the batteries and still nothing.


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.

If this doesn't do it, press and hold the 2ND, left-arrow, and right arrow keys, then press and release the ON key.

If that doesn't do it, please respond to this post and we'll go on from there.

Sep 14, 2010 | Texas Instruments TI-89 Calculator

1 Answer

I have a ti 89 Texas Instruments Graphic calculator which is not responding anymore how do I reset it?


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.

If that doesn't do it, this step will clear all RAM. Press and hold the 2ND, left-arrow, and right-arrow, then press the ON key.

If that doesn't do it, this step will clear all RAM and Flash memory. Remove one of the four AAA batteries. Press and hold the (-) and ) keys while replacing the battery. Continue holding the (-) and ) keys for five seconds before releasing.

Jun 19, 2010 | Texas Instruments TI-89 Calculator

1 Answer

Locked


If the calculator has locked up you should perform a reset.
  1. Press and hold the [C] (ON/OFF) key
  2. Press and hold the [LN] key (third key from the left on the top row).
  3. Release both keys simultaneously. T
  4. The calculator should display "0.00" (if the number of decimal places is set to two.)
If that does not bring it to life you should perform a full memory reset

  1. Press and hold the [C] (ON/OFF) key.
  2. Press and hold the first key from the left ( the Square root x key) and the first key from the right (the SIGMA+ key ) on the top row.
  3. Release all three keys at the same time.
  4. Calculator should display "ALL CLr".
  5. To clear the message press the [C] (ON/OFF).
  6. The calculator should display "0.00."
If the calculator does not respond as expected,
  • Remove the batteries, and
  • with a metallic coin (and what coin is not metallica) short-circuit the calculator's electrical terminals.
  • Maintain the coin for about ten seconds.
  • Replace the batteries (preferably fresh ones) respecting the diagram inside battery compartment.
  • The Calculator should display "ALL CLr".
  • To clear the message press the [C] (ON/OFF).
  • The calculator should display "0.00."
If the calculator does not respond to the foregoing procedures, remove the batteries and leave them out of the calculator for 24 to 48 hours to drain capacitors.

If it continues to malfunction, it will need to be repaired. One repair shop in Pennsylvania, USA has a website at http://www.fixthatcalc.com. You should contact them.

Apr 11, 2010 | HP 20s Calculator

1 Answer

Operating slow and won't turn off


I am having this exact same problem. To do a basic calculation like 2 x 5 , you have to hold down each key for about two seconds in order for anything to show up on the screen; then, you have to hold the enter key down for about two seconds to get the answer. CAN SOMEBODY HELP!

Apr 07, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

Hp20s has locked up


Hi,
If the calculator has locked up you should perform a reset.
  1. Press and hold the [C] (ON/OFF) key
  2. Press and hold the [LN] key (third key from the left on the top row).
  3. Release both keys simultaneously. T
  4. The calculator should display "0.00" (if the number of decimal places is set to two.)
If that does not bring it to life you should perform a full memory reset

  1. Press and hold the [C] (ON/OFF) key.
  2. Press and hold the first key from the left ( the Square root x key) and the first key from the right (the SIGMA+ key ) on the top row.
  3. Release all three keys at the same time.
  4. Calculator should display "ALL CLr".
  5. To clear the message press the [C] (ON/OFF).
  6. The calculator should display "0.00."
If the calculator does not respond as expected,
  • Remove the batteries, and
  • with a metallic coin (and what coin is not metallica) short-circuit the calculator's electrical terminals.
  • Maintain the coin for about ten seconds.
  • Replace the batteries (preferably fresh ones) respecting the diagram inside battery compartment.
  • The Calculator should display "ALL CLr".
  • To clear the message press the [C] (ON/OFF).
  • The calculator should display "0.00."
If the calculator does not respond to the foregoing procedures, remove the batteries and leave them out of the calculator for 24 to 48 hours to drain capacitors.

If it continues to malfunction, it will need to be repaired. One repair shop in Pennsylvania, USA has a website at http://www.fixthatcalc.com. You should contact them.


Hope it helps.
Thank you for rating the solution.


Nov 05, 2009 | HP 20s Calculator

1 Answer

Its really slow. doesnt react easily sometimes


Hello,

From the TI Knowledge Base and FAQ Hope it helps.
If a piece foreign material such as a pencil lead is lodged in the I/O port of the calculator, it may create a short causing the calculator to respond slowly to key press entries.
If the piece of conductive material can be removed, it may restore the calculator to normal operating condition.
If the material cannot be removed, contact TI-Cares Customer Support to proceed with an out of warranty product replacement.
If conductive material is not lodged in the I/O port and the calculator responds slowly to key press entries, contact TI-Cares Customer Support for further troubleshooting and resolution.

Nov 01, 2009 | Texas Instruments TI-84 Plus Calculator

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