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Invalid Card Data startup error on HP48GX
04-25-2014, 12:45 PM
Post: #2
RE: Invalid Card Data startup error on HP48GX
Use the PINIT command. If even after using the PINIT command you are still getting Invalid Data upon turning the calculator on, then I recommend changing the card's battery.

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RE: Invalid Card Data startup error on HP48GX - Han - 04-25-2014 12:45 PM



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