Texas Instruments TI-84 PLUS - Graphing Calculator Manual Book page 410

5. If the graphing calculator does not seem to work at all, be sure the alkaline batteries are fresh
and that they are installed properly.
6. If the TI-84 Plus does not function even though you are sure that the batteries are fresh, you
can try manually resetting it.
• Remove all of the AAA batteries from the graphing calculator.
Press and hold the É key for ten seconds.
•
• Replace the batteries.
• Turn on the unit.
When you reset your graphing calculator, the contrast sometimes changes. If the screen is
faded or blank, adjust the contrast by pressing y and releasing } or †.
7. If the above solutions do not work you can reset all of the memory. The RAM, user data
archive memory, and system variables are restored to factory settings when you reset all
memory. All nonsystem variables, applications (Apps), and programs are deleted.
Press y L to display the
•
• Select
7:Reset
Press ~ ~ to display the
•
• Select
1:All Memory
• To continue with the reset, select
home screen.
MEMORY
to display the
RAM ARCHIVE ALL
menu.
ALL
to display the
RESET MEMORY
2:Reset
Appendix C: Service and Warranty Information
menu.
menu.
menu.
. The message
Mem cleared
is displayed on the
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