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» Online Classroom   » Tech Support   » StarPilot   » TI-89 has locked up and no keys function

Author Topic: TI-89 has locked up and no keys function
David Burch

 - posted September 23, 2004 10:29 PM      Profile for David Burch           Edit/Delete Post 
This is a rare occurance, but can happen if you get out of the starpilot program and start using the TI for various math functions and memory operations. Normally just quitting and using Green diamond + 1 will get you back to starpilot, but if you have completely locked up keys for some reason, here is what you can do.

You will need to reset your calculator. This is done by removing one of the alkaline batteries from the unit and while holding the [(-)] key simultaneously with the [)] key and pushing the battery back into the unit. The procedure is described in the TI manual. Note that after you push the battery back into the unit you will need to continue to hold both the [(-)] and [)] keys down until the unit resets itself and comes back to life.

The above procedure erases both the RAM and ROM memory in the calculator and sets the unit back to its factory defaults.

You will need to reload the StarPilot program after the reset. To do this you will require a TI-Connectivity kit. You can purchase one at Walmart or other local TI reseller. We have the kits in stock if you would like to order one from us.

After you receive the cable we recommend you upgrade the TI operating software. Older versions of the OS had problems when removing the batteries as you have discovered. The latest version of the OS is TI AMS 2.09. You are probably running 2.03 or 2.05. Upgrading the OS is very simple if you run the TI-Connect software that comes with the connectivity kit while your computer is hooked up to the Internet. The software will detect the update and download and install it to your calculator. Simply follow the the instructions outlined by the software.

Download and install the StarPilot software once the TIOS upgrade has completed. You will need your key to activate the software. The key should be glued to the lid of your unit. The StarPilot software is on a CD that was shipped with the calculator. You might consider upgrading your StarPilot software to the latest version. The latest StarPilot software can be downloaded from our website at www.starpath.com in the downloads section.

Note that the software will require a new serial number unless the number assigned to you starts with 1010-. E-mail your serial number to info@starpilotllc.com if it does not start with 1010 and we will mail back to you a replacement number. You will need to register the product at www.starpilotllc.com to receive the new key to unlock the software.

You can also ship the unit to us for the upgrade if you prefer. There is $25 service fee + shipping to upgrade your unit. You can ship the unit to

StarPilot, LLC
2668 Jericho Rd
Maryville, TN 37803.

Please include your shipping address and credit card billing information with the unit.

From: Starpath, Seattle, WA

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