HP 48SX
#1

The batteries were dying. The last time it booted up, I got a message "Trying to recover memory".
I just replaced the batteries and automatically, the screen a all dark, with the hourglass.
Nothing else. Can't turn it on or off or reset with the three corner keys.
Any help would be great.

Thanks

Seb

#2

Got it to work.
Simply left the calculator without any batteries in it for 1/2 hour
Installed the batteries and it turned on properly with the message "Try to recover memory".

All is good.



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