Question about Texas Instruments TI-89 Calculator

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I get a pop-up ballon that says "USB device not recognized"

Under that is says "ONe of the USB devicesattached to this computer has malfunctioned, and Windows does notrecognixe it. for assistance in solving this problem, click this message." i clicked on the ballon and it said that i didn't have a driver installed, but i have TI connect installed. please help, thank you

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  • Cocking_08 Nov 08, 2007

    as soon as i plug my calculator into my computer a message pops up saying "one of the usb devices attached to this computer has malfuntioned, and windows does not recognize it. For assistance click this message."

    I dont really know all that much about computers and such so i havent really tried to fix it very hard... i tried reinstalling the driver and clearing the memory of the ti-89 but to no avail.

  • Miss Me Jan 12, 2008

    I have same problem !!!

    Please Help

  • sarastandish Feb 29, 2008

    SAME PROBLEM! Has anyone solved this? No one I know can figure it out

  • Anonymous Apr 06, 2008

    When I plug my calculator into the computer, it is not recognized.

  • skyboy204 May 25, 2008

    I have the same 4king just totally turns me off

  • dwhack18 Jul 12, 2008

    under that is says "ONe of the USB devices attached to this computer has malfunctioned, and Windows does not recognixe it.I clicked on the ballon and it said that i didn't have a driver installed, but i have TI connect installed.
    please help,
    thank you



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  • 2 Answers i had the same problem but i figured out whats up...

if you find another 89 that is the same model....for example if you have a titanium.....find another titanium....and get a var link cable and plug em in to both calcs......

on the one that is working hit 2nd "-" to open up varlink.

hit F3 to open up "link" and highlight send OS but dont send it yet.

On the calc that isnt working correctly open up varlink (2nd "-") and hit F3 and highlight and click recieve OS.

Then on the calc that is working click send OS.

THis will erase your applications like notefolio and other things but once your calc recieves the OS you can go back to varlink and send all the "flashapp" files.

Just make sure when you use varlink you always click recieve before you send it.....otherwise it will give you an error.

hope this helps


Posted on May 15, 2008


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I get a pop-up ballon that says "USB device not recognized"

How do I fix Error: TI-89 Detected, but could not get status with the TI-89
using the TI Connect software for Windows?
The Operating System (OS) will need to be updated on the TI-89 in order for the TI Connect™ software to detect the status. Try the following procedure to install the OS from the TI-89 Boot Screen. Make sure TI Connect 1.6 is installed on the PC.
• Connect the TI Connectivity cable to the TI-89 and the computer.
• Do not start the TI Connect software.
• Download the TI-89 v2.09 OS onto the PC's desktop.
**Force TI-89 into "Boot screen" (See instructions below**
• "Press I to install..." ([ALPHA]. [ 9 ]).
• Click on Start >> Programs >> TI Tools >> TI Connect >> TI OSDownloader.
• Follow the on-screen directions to install OS version 2.09.
The download should begin.
**Steps for Boot Screen:**
• Take one AAA battery out, press and hold down the Apps key while reinserting the battery to force device into the Boot Code screen.
• "Press I to install..." will appear.
Once the OS has completed installation, the TI Connect™ software will be able to detect the TI-89.

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1 Answer

When i plug Numark DJ/iO Sound Card in pop up message says "USB Device Not Recognized - One of the USB devices attached to this computer has malfunctioned, and Windows does not recognize it. For...

there are drivers needed for this item you may need to download them also re install your usb drivers an attach to a different usb port not thru a hub.

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It says my usb thing has malfunctioned???? help

Follow the steps given below to refresh USB ports.

1. Right-click My Computer icon on the desktop, and then select Properties.
2. Click the Hardware tab.
3. Click the Device Manager button.
4. Click the plus (+) sign to the left of Universal Serial Bus controllers.
5. Right-click the device listed under Universal Serial Bus controller and select Uninstall.
6. Click OK to confirm the removal of the device.

Please note, repeat Steps 5 and 6 until all the devices under Universal Serial Bus Controller are removed.

7. Shut down the computer.

CAUTION: Ensure that the Shut Down option is selected, instead of the Restart option.

8. Wait for 5 seconds and then restart the computer. When the computer restarts, a "Windows has detected new or added hardware" message window will open.

The above steps will refresh the USB ports.

Now connect the USB devices like mouse, video camera, your external usb hard disk...usb hubs...whatever you like and the drivers should install automatically.

Tip: It is always recommended to connect the main usb devices at the rear end usb port, as they require more power to initiate.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response

Thanks, Joe

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1 Answer

One of the USB devices attached to this computer has malfunctioned and windows does not recognize it for assistance in solving this problem click this message

Possible that the USB Port is damaged , it can be if the port is used quite often with various types of USB connected to it. You can use an extension cord to check if the cord contacts better and the device is detected.
If not try to reinstall the motherboard drivers, restore the PC to an earlier date and try before confirming that the board has an issue.

Jan 11, 2011 | Health & Beauty

1 Answer


This may cause if your USB port is out of order. Or your pen drive is not in good condition.
Think this is helpful !

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Usb device not recognized problem

uninstall driver then turn off the PC then unplug the power cord from power socket, short its legs then leave it unconnected for 5min, then reconnect it to power socket and turn on PC and install driver it should work :)

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Windows not recognised

Press and hold the lower volume button and plug it in to the computer simultaneously and keep holding the minus button until a box appears where the message of usb device malfunctioned and click on it. Then follow the instructions and it should be recognized.

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