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TI-84 not receiving OS [Resolved]

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Sue Doenim:
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.

Xeda112358:
Oof, if flash failed then something might really be wrong with the hardware, but I'm not an expert in that area.

Eeems:
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.

Sue Doenim:

--- 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.

--- End quote ---
I did, but it didn't make any difference.

Eeems:

--- 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.

--- End quote ---
I did, but it didn't make any difference.

--- End quote ---
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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