SOURCE: My TI-84 won't turn on. If I replace the
Remove all four AAA batteries. Press and hold down the ON key for at least ten seconds. Replace the batteries. Turn the calculator on.
SOURCE: when i turn on my ti-84 the screen is black - i
check the conrast, press the 2nd button then the down arrow
SOURCE: TI-84 Plus Calculator will not turn on, says ram is cleared
Thats because the OS is corrupt. Follow the manual and reload the OS, try the 2.43 OS
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