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TI-nspire running CAS but shows up as normal

Posted:
05 Nov 2022, 00:46
by alexmiranda5179


it has CAS functions and they work but I can't update the os with normal or CAS and it doesn't accept CAS files from my computer.
How can I keep the CAS but update to 3.9 so I can get the better graphing capabilities?
Re: TI-nspire running CAS but shows up as normal

Posted:
05 Nov 2022, 10:09
by critor
Hello.
Anything special written on the screen while the calculator is rebooting ?
What's the calculator datestamp ?
Is the short 6-7 characters code written on the back at the right of the serial number.
Thanks.
Re: TI-nspire running CAS but shows up as normal

Posted:
06 Nov 2022, 20:45
by alexmiranda5179
it says 1021005075-k-0709b on the back and shows pp1234 on the top left corner of the screen when its loading operating system
Re: TI-nspire running CAS but shows up as normal

Posted:
06 Nov 2022, 20:49
by Adriweb
Hmm, K-0709B that's rather rare. We'd be interested in pictures of the PCBs/motherboard if you're able to open it (screws might be hidden below the rubber feet, I don't remember)