Question about Texas Instruments TI-89 Calculator

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My calculator does not connect

My TI-84 Plus does is not recognized as a device by my computer. I'm using a mac.

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  • MamoDom May 11, 2010

    what cable are you usig? the ti graph link or the mini usb?

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I hope your using the silver link cable between your calculator and computer. My computers seems to only work with the black serial link and ti connect. I found a few computers actually download and work with the ti89 or ti 84 graphic link software. Ti Connect Device Explorer works for me but, the graphic link software may work for others.

Posted on Sep 14, 2009

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When i turn my calculator on it says "RAM cleared". It is then very slow . . . what is wrong and how can I fix it?


Hi yeager anna,

Since the calculator operates slowly even after the RAM has been cleared, I'd say, "Your OS must be corrupt." You need to re-install the Ti 84 Plus OS, ASAP!!! You can fix this problem by installing the newest Ti 84 Plus 2.55v. MP OS, operating system. Use fresh batteries when installing the new OS. If you need additional instructions your welcome to read my Ti 84 Plus solutions. I pretty much tell how you can install the new OS with another Ti 84 Plus calculator or, connecting the computer to the calculator to install the new OS. You can view my solution to install OS by clicking, "Ti 84 Plus OS installation." Just stroll down to oneplusgh's solution at that posting and, I cover a lot of topics you may need advice on to install the new OS.

If you need instructions to downloading and installing TI Connect on a XP or, Mac computer click, "TI Connect on a XP or Mac computer." I realize this posting was for a later OS but, this link will take you to the latest TI Connect software and, newest OS too. Once you get the TI Connect software installed come back to this posting and, follow the instructions above at "Ti 84 Plus OS installation."

If you need instructions to downloading and installing TI Connect on a Windows 7 computer click, "TI Connect on a Windows 7 computer." Just follow Procedure 3. You can also get instructions at this link on how to install the Ti driver to link computer and calculator. I realize this link instructions were for a Ti 89 calculator but, they will work for a Ti 84 Plus too. Once you get the TI Connect software installed come back to this posting and, follow the instructions above at "Ti 84 Plus OS installation."

My instructions is geared to save you a lot of hardship. No matter if your having to install Ti Connect or, the newest OS for your calculator. I do not use TI OSDownloader because, TI OSDownloader might not give you the newest OS for your calculator. My instructions will. If you have any questions just post a comment and, I'll respond quickly.


Jan 20, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

My TI-84 calculator lost its cover for the batteries. Since then it sometimes can't turn on or show anything when I push the button "on". But sometimes it still can work. But because I havent...


Hi twylazhangzh,

Sound like your Ti 84 Plus is really over loaded and, can't function properly. You can fix that by installing the newest Ti 84 Plus 2.55v. MP OS. operating system.

If you have a friend that has a Ti 84 Plus or, Ti 84 Plus Silver Edition you can connect the two calculators together through the IO link ports and, they can send you a copy of their OS while you receive it on your Ti 84 Plus. Hopefully your friend will have Ti84 Plus 2.55v. MP OS on their calculator or, it might not work.

If you can't find a calculator to connect to you can connect your Ti 84 Plus to a computer that has Ti Connect software on it. If you need to connect your Ti 84 Plus to a computer just keep following my instructions below.

First, you need to download and, install Ti Connect to your computer. If you don't need any help installing Ti Connect goto Procedure 1.

If your computer's OS is XP or Mac and, you need instructions to download and, install Ti Connect click, "Install Ti Connect on my XP or Mac OS". Just follow Procedure 1 at that posting and, come back to this posting to finish downloading and, installing Ti84 Plus 2.55v. MP OS to your calculator.

If your computer's OS is Windows 7 and, you need instructions to download and, install Ti Connect click, "Install Ti Connect on my Windows 7 OS". Just follow Procedure 3 at that posting and, come back to this posting to finish downloading and, installing Ti84 Plus 2.55v. MP OS to your calculator.

Procedure 1 to installing Ti84 Plus 2.55v. MP OS

1). You can also get the latest copy of Ti84 Plus 2.55v. MP OS and, guidebook by going to the Texas Instruments web site. You can get to that site instantly by clicking, "Ti 84 Plus 2.55v. MP OS!" Once your at the Ti site click the Download Item, "Ti84 Plus family operating system". Next you can login or, click "continue as guest". I'd would click the "continue as guest". Once you have click, "continue as guest" the Ti84 Plus family operating system will download to you.

Next, click "SAVE" and then a window to a folder will pop up. It is probably a window to a folder that you download too. If so, you may want to change it and, save to this folder, "My Documents \ My TI Data \ Downloads". You can also go back and, download the Ti 84 Plus guidebook too, if needed.

Link your computer and, Ti 84 Plus calculator with the USB cable or, Direct Black Link cable that came with the Ti 84 Plus calculator. Next, drag the Ti 84 Plus 2.55v MP OS that you saved earlier in "My Documents \ My TI Data \ Downloads" out of that folder and, drop it in the "Ti Connect" icon on the desktop. Click, "Continue" when the "Erase Warning" pops up and, the new Ti 84 Plus 2.55v MP OS will begin to install.

Next, the Ti Device window should pop up and, highlight the port when found that your Ti 84 Plus is using, USB1 cable or, Direct Black COM1.

oneplusgh_42.jpg

When the Ti Device Explorer finds and, highlights your calculator's information click, "Select." Then click, "Yes" when the next window shows up with your calculator's information and, the OS will continue to download. Upon completion the newest Ti 84 Plus 2.55v. MP OS will be installed.

If you run into any trouble with software or, drivers just comment to what failed at this posting and, I'll be glad to help you.




Jan 12, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

When ever i turn on my ti-84, it says waiting..... PLease install operating system now.


Hi biancaaii,

You need to re-install the Ti 84 Plus OS, ASAP!!! You can fix the problem by installing the newest Ti 84 Plus 2.55v. MP OS. operating system.

If you have a friend that has a Ti 84 Plus or, Ti 84 Plus Silver Edition you can connect the two calculators together through the IO link ports and, they can send you a copy of their OS while you receive it on your Ti 84 Plus. Hopefully your friend will have Ti84 Plus 2.55v. MP OS on their calculator or, it might not work.

If you can't find a calculator to connect to you can connect your Ti 84 Plus to a computer that has Ti Connect software on it. If you need to connect your Ti 84 Plus to a computer make sure the Ti Connect software is operating properly. You do not want any hang-ups while installing the Ti 84 Plus OS. Be careful, even a power failure during the process of installing the OS will destory your calculator.

Procedure 1 to installing the latest Ti84 Plus 2.55v. MP OS

1). You can get the latest copy of Ti84 Plus 2.55v. MP OS and, guidebook by going to the Texas Instruments web site. You can get to that site instantly by clicking, "Ti 84 Plus 2.55v. MP OS!" Once your at the Ti site click the Download Item, "Ti84 Plus family operating system". Next you can login or, click "continue as guest". I'd would click the "continue as guest". Once you have click, "continue as guest" the Ti84 Plus family operating system will download to you.

Next, click "SAVE" and then a window to a folder will pop up. It is probably a window to a folder that you download too. If so, you may want to change it and, save to this folder, "My Documents \ My TI Data \ Downloads". You can also go back and, download the Ti 84 Plus guidebook too, if needed.

Link your computer and, Ti 84 Plus calculator with the USB cable or, Direct Black Link cable that came with the Ti 84 Plus calculator. Next, drag the Ti 84 Plus 2.55v MP OS that you saved earlier in "My Documents \ My TI Data \ Downloads" out of that folder and, drop it in the "Ti Connect" icon on the desktop. Click, "Continue" when the "Erase Warning" pops up and, the new Ti 84 Plus 2.55v MP OS will begin to install.

Next, the Ti Device window should pop up and, highlight the port when it finds what your Ti 84 Plus is using, USB1 cable or, Direct Black COM1.

oneplusgh_43.jpg
When the Ti Device Explorer finds and, highlights your calculator's information click, "Select." Then click, "Yes" when the next window shows up with your calculator's information and, the OS will continue to download. Upon completion the newest Ti 84 Plus 2.55v. MP OS will be installed.

If you run into any trouble with software or, drivers just comment to what failed at this posting and, I'll be glad to help you.

Jan 12, 2011 | Texas Instruments TI-84 Plus Calculator

1 Answer

How do I send my graph from my 84 plus silver edition to my computer?


  1. Install the TI Connect software on the computer.
  2. Connect the calculator to the computer using the Silver Link cable or the USB direct cable.
  3. Run the TI Connect software and let it recognize the Calculator.
  4. Once this is done, create the graph on the calculator, and click the screen capture button in TI Connect.
  5. Save image in jpeg format.
  6. Send it to the printer to print or insert it in a text document which you then print.

Dec 15, 2010 | Texas Instruments TI-84 Plus Silver...

1 Answer

My Ti 84 plus can't seem to connect with anything. My computer won't recognize it. My cable was inserted properly. Also, my calculator can't connect with other calculators. I know that I'm doing the...


Even if you cannot connect it to the computer you can still transfer applications from a working calculator.

If you have a USB SilverLink cable, use it to connect the calculator though the I/O (round) port.
If you do not have a USB SilverLink cable, you can use the mini USB to USB Direct cable but you will have to install the correct driver for it.

I do not know what computer operating system you are running and I use Windows XP so I will describe the installation procedure for Window XP SP3.

Install TI connect 1.6 for Windows; if your system is Vista you must install a patch available on the TI website, at the same page where you find TI Connect.

After you install TI Connect, connect you calculator to the computer with the mini USB standard USB Direct cable. Windows will detect the calculator and will try to install the drivers. You will have something that is similar to what is on the three screen captures I am inserting in the post. On the last screen, choose the TI Educational Handheld device and click next.

8fe1b57.jpg

95c7601.jpg

cabe7ac.jpg

When Windows asks to stop installation, click continue anyway

be44bb9.jpg
After the installation, click finish.

Device manager will show you something like what is on next screen (TI Educational Handheld device)
4e495b4.jpg
Run TI Connect to verify that the calculator is recognized. Connect your computer to the Internet and click the Updates Button on the TI Connect tool bar.

Verify that the I/O port (the round one) does not contain any foreign material. Also, for transferring files batteries must be in excellent condition.

Jun 12, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

Problem with Driver


Try uninstalling and reinstalling the driver. Did you check TI's website? There might be an updated driver you can use. Also, is the calculator on when you plug it into the computer?

May 27, 2010 | Texas Instruments TI-84 Plus Calculator

1 Answer

My computer won't find my ti-84


Even if you cannot connect it to the computer you can still transfer applications from a working calculator.

Here is a copy of a post I wrote to answer that question.

If you have a USB SilverLink cable, use it to connect the calculator though the I/O (round) port.
If you do not have a USB SilverLink cable, you can use the mini USB to USB Direct cable but you will have to install the correct driver for it.

I do not know what computer operating system you are running and I use Windows XP so I will describe the installation procedure for Windows XP SP3.

Install TI connect 1.6 for Windows; if your system is Vista you must install a patch available on the TI website, at the same page where you find TI Connect.

After you install TI Connect, connect you calculator to the computer with the mini USB standard USB Direct cable. Windows will detect the calculator and will try to install the drivers. You will have something that is similar to what is on the three screen captures I am inserting in the post. On the last screen, choose the TI Educational Handheld device and click next.

8fe1b57.jpg

95c7601.jpg

cabe7ac.jpg

When Windows asks to stop installation, click continue anyway

be44bb9.jpg
After the installation, click finish.

Device manager will show you something like what is on next screen (TI Educational Handheld device)
4e495b4.jpg
Run TI Connect to verify that the calculator is recognized. Connect your computer to the Internet and click the Updates Button on the TI Connect tool bar.

Mar 22, 2010 | Texas Instruments TI-84 Plus Calculator

2 Answers

Cant install any applications


Hello,
Run the TI connect software on you computer. Turn the calculator on and connect it to a USB port on the computer. Before you drag and drop applications on the TI connect software window, Click on one of the icons (TI Device Explorer, TI Device Info, TI Screen Capture). Two new smaller windows pop up, the one on top has the title Select TI device. If in that window it recognizes your Calculator Model, you click on select and OK, and you are ready to communicate with it.

If on the other hand, it fails to find your calculator on any of the 3 or 4 communication ports (COM3, COM4, USB1, etc.) then you click on the communication setting and in the drop down lists

Sep 03, 2009 | Texas Instruments TI-84 Plus Calculator

2 Answers

TI-84 dowlnoad error?


Make certain you have registered your calculator on their site. I think you need to enter you internal number. The internal number can be found by pressing the 2nd key, then the plus key and choosing about in this screen.

Jun 09, 2009 | Texas Instruments TI-84 Plus Silver...

1 Answer

My ti-84 plus calculator is not being recognized by my computer


I have to use the black serial link in order to download anything to my calculator and it comes with a USB. But, the serial works.

May 31, 2009 | Texas Instruments TI-84 Plus Calculator

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