Hello,
Here is what the FAQ and Knowledge Base area of the TI site has to say about the problem you are having. Hope it helps.
How do I correct the error message "TI-83 Plus or TI-89 detected, but
could not get status" using the TI Connect software for Windows®?
The Operating System (OS) will need to be updated
on the TI-83 Plus family or TI-89 calculator in order for the TI
Connect software to detect the status. Try the following procedure to
install the OS from the TI-83 Plus and TI-89 Boot Screen. Make sure
TI Connect 1.6 is installed on the PC.
If using a TI-89 calculator:• Connect the
TI Connectivity cable to the TI-89 calculator and the computer.
• Do not start the TI Connect software.
• Download the
TI-89 v2.09 OS onto the PC's desktop.
**Force the TI-89 into the "Boot screen" (see instructions below)**• "Press I to install..." (press the [9] key).
• 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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