5
Questions and Assistance
If you have questions about any aspect of the processes described in this
document, the software and connectivity tools or need troubleshooting
assistance, contact TI-Cares.
In the U.S. and Canada:
call: 1.800.TI.CARES (1.800.842.2737)
Turn off Press-to-Test for the TI-84 Plus (with TI-84 Plus keypad in place)
prior to swapping keypads.
» If the keypad is switched while Press-to-Test for the TI-84 Plus is active, you
may receive an “Invalid Keypad” error when you insert the TI-Nspire keypad.
» The following web page provides links to instructions for disabling Press-
to-Test for the TI-84 Plus or Test Guard functionality. Visit education.ti.com/
educationportal/sites/US/productDetail/us_testguard_20.html.
TI-84 Plus OS updates are included in the TI-Nspire OS process.
» It is not possible to transfer a TI-84 Plus OS from a (regular) TI-84 Plus to a
TI-Nspire with TI-84 Plus keypad inserted.
Helpful Tips
Knowing when to disconnect the receiving handheld will help you
quickly update a large number of handhelds.
» Updating the handheld OS involves two steps:
1. Receiving the OS installation file from the sending handheld or computer
2. Disconnecting and waiting while the OS file installs the OS and the
handheld reboots
» During the second step, the receiving handheld can be disconnected and a
new handheld connected. You can now start another OS transfer to a new
handheld.
» It is safe to unplug the receiving handheld when the installation progress
bar can be seen on the receiving handheld.
PRESS-TO-TEST
OS
OS
x
Involve your students in this process. In addition to
saving you time, it may provide student leadership
opportunities, or opportunities to recognize students’ technical skills and
ability. You may even want to illustrate mathematics concepts that are
inherent in the process.
NOTE
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