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Author Topic: TI-84 not receiving OS [Resolved]  (Read 7011 times)

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Offline Sue Doenim

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TI-84 not receiving OS [Resolved]
« on: March 17, 2019, 01:44:16 pm »
I was having some troubles with TI connect, where the calculator would crash a lot of the time while sending/receiving files.  I guessed that this was due to Unsigned having messed with the certificate or something similar, so I downloaded that and uninstalled all of the stuff that Unsigned had done.  I still was having the issues, so I turned off zStart, and uninstalled the RAM clear stuff.  That didn't work, so I decided to send OS 2.55 to my calculator (it had OS 2.43, and before that, 2.55).  Once the OS was totally installed, the calculator froze at a screen that said:

Validating...
Operating
System
100%

It stayed like that even after TI connect closed itself, and the calculator wouldn't do anything until I took out a battery.  When I turned it on again, it went right to the

Waiting...

Please install
operating
system now.

screen.  When I try testing flash, the dots go to about halfway, and then "FLASH FAILED" displays.  Is my calculator dead, or is there something I can do to fix it?
This person (https://www.cemetech.net/forum/viewtopic.php?t=14207&start=0) seems to have had the same problem, but doesn't have much of an answer on how they fixed it.
« Last Edit: March 18, 2019, 08:32:26 pm by Sue Doenim »
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Offline Xeda112358

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Re: TI-84 not receiving OS
« Reply #1 on: March 17, 2019, 04:36:53 pm »
Oof, if flash failed then something might really be wrong with the hardware, but I'm not an expert in that area.
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Offline Eeems

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Re: TI-84 not receiving OS
« Reply #2 on: March 17, 2019, 08:15:59 pm »
Have you tried installing 2.43 again? It's doubtful that it will fix it, as it does sounds like something could be wrong with the hardware.
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Offline Sue Doenim

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Re: TI-84 not receiving OS
« Reply #3 on: March 17, 2019, 08:49:46 pm »
Quote from: Eeems on March 17, 2019, 08:15:59 pm
Have you tried installing 2.43 again? It's doubtful that it will fix it, as it does sounds like something could be wrong with the hardware.
I did, but it didn't make any difference.
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Offline Eeems

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Re: TI-84 not receiving OS
« Reply #4 on: March 17, 2019, 08:57:26 pm »
Quote from: Sue Doenim on March 17, 2019, 08:49:46 pm
Quote from: Eeems on March 17, 2019, 08:15:59 pm
Have you tried installing 2.43 again? It's doubtful that it will fix it, as it does sounds like something could be wrong with the hardware.
I did, but it didn't make any difference.
Sorry to hear that :( Just wanted to make sure it wasn't a problem with the 2.55 install specifically. You may have some luck asking on Cemetech for some help to determine if it is for sure a hardware issue.
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Offline Sue Doenim

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Re: TI-84 not receiving OS
« Reply #5 on: March 17, 2019, 09:56:40 pm »
Quote from: Eeems on March 17, 2019, 08:57:26 pm
Sorry to hear that :( Just wanted to make sure it wasn't a problem with the 2.55 install specifically. You may have some luck asking on Cemetech for some help to determine if it is for sure a hardware issue.
I have an N-spire CAS CX as well, so it's not a huge deal, but thanks for the sympathy :)  I'll check around thereabouts and see if I can find a way to save it.

Edit: It's fixed.  I was literally just not waiting for the calculator to validate.
« Last Edit: March 18, 2019, 08:31:59 pm by Sue Doenim »
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Offline Eeems

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Re: TI-84 not receiving OS [Resolved]
« Reply #6 on: March 18, 2019, 10:02:14 pm »
Quote from: Sue Doenim on March 17, 2019, 09:56:40 pm
Edit: It's fixed.  I was literally just not waiting for the calculator to validate.
Woohoo! Glad that you got this resolved!
Just in case people find this thread through google and want to know the steps you took: https://www.cemetech.net/forum/viewtopic.php?p=277573
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Offline Xeda112358

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Re: TI-84 not receiving OS [Resolved]
« Reply #7 on: March 19, 2019, 10:45:15 am »
Holy heck, I'm glad it worked out! A few weeks ago my nspire was taking a loooong time to validate-- I even kept it plugged in over night and it still wasn't validated. I knew validation could take a while, but that seemed excessive, so I unplugged it, went to work and let it die, then when I came back home, I plugged it in turned it on and it validated in like two minutes. OS validation can be annoying; we just need to crack the certificates and disable it entirely.
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Offline TIfanx1999

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Re: TI-84 not receiving OS [Resolved]
« Reply #8 on: March 19, 2019, 09:09:24 pm »
I'm glad this was an easy fix. I'm sure you're happy to have your calculator up and running again. :)
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