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.
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.