To my knowledge, nothing seems wrong with your 0x33 certificate field is ok.
The OS regularly updates the certificate, so it's nomal for it to be different from what it was weeks ago.
critor wrote:
To my knowledge, nothing seems wrong with your 0x33 certificate field is ok.
The OS regularly updates the certificate, so it's nomal for it to be different from what it was weeks ago.

Bonjour, can i send py files using tipycomp on calculator as programms (not as modules)?
This is completely unrelated. You can use the latest TI Connect CE to do that.
Adriweb wrote:
This is completely unrelated. You can use the latest TI Connect CE to do that.

I have windows on second computer but sometimes i need to transfer py files from my main laptop which on linux...
I have a new TI-84 Plus CE PYTHON.

When I open Python App, I do not see the green square in the upper left near the battery to indicate the app is synchronized:

[img]https://drive.google.com/file/d/1L0_HhoRPpQsR7N9vfM0c1-MqY0bHs1rx/view?usp=drive_link[/img]

If I try to use Run or Shell for a program, I get this message:

[img]https://drive.google.com/file/d/1EePDY6Op1UiL_WXUhbHWiuJGANxFPOa0/view?usp=drive_link[/img]

This is my CERMASTR screen:

[img]https://drive.google.com/file/d/1BqGE_cDmWM3tL9uyOSjgq6K64UoUKZYZ/view?usp=drive_link[/img]

Are there any suggestions for what I can try to get programs to run in the Python App?
Could you grant us access to your pictures ?
Thanks.
Thanks @dentondoom, I got your pictures.
No certificate corruption for you, your certificate is ok for a CE Python calculator.

Something else is wrong...
I'd try archiving/backing-up your RAM content (unarchived programs etc), removing the battery for a minute and pressing various keys including ON (to make sure everything is discharged completely), then trying again. Possibly after reinstalling the OS and the Python app.
Thank you for the replies. I did a full reset and OS and app bundle reinstall and tried the battery pull and button press and it is still acting the same as before.
Well that's not good, might even be a hardware issue if the main processor can't communicate with the python co-processor... Is your calc still under warranty? You can also contact TI-Cares and explain the issue, and see what they say, I guess...
Yes, the calculator is brand new so it is under warranty. I contacted TI-cares and they did not have anything meaningful to try. It is sounding like they may be setting up an exchange which will be fine. I was guessing it was a hardware problem. Thank you for your help.
Alright, well, hopefully you can get it exchanged and it'll be fine.

Before you do, can you tell us what's written on the back to the right of the serial number if present, something like L-1234XX (unless it's from Walmart in which case it could be longer)
After 3 years, I don't understand why you still didn't exchange it Confused , didn't read 3 years of discussion obviously Neutral
Different members lol
L-0123AA
Thank you for your help, I really solved the problem. I tried earlier with CerMastr to solve the problem but it didn't work. But the second attempt was successful.
Hello

Ive been having this problem with my calculator

When Ive tried to connect it with my computer (its a chromebook so Im using a website version instead)

it says CerNotSet (or something similar) when i connect to it instead of Ti 84 cet python. This problem started when i resetet my claculator and there was no python. Similar to the orginila problem of this post the screen is all white afterwads and after a reset no python. It doesent even let me download it (this might be because I use an alternate site, I cant do anything about it I have chrome os ). I dont know if this is a certificate problem.

I took some pictures but I dont know how to add them. Ill try to figure that out.
Yup, that's a well-known certificate memory issue. TI-83PCE(EP) and TI-84+CE(-T)(PE) calculators fairly routinely become NoCertProductName calculators with SerCertNotSet ID, and some tools can't deal with them when they're in that state.
At least, on this type of calculators, corrupted certificate memory contents do not brick the calculator.
I mean, it's still a rare occurrence in the global scale of things, but yeah we've seen a few over the years.
CerMastr can fix things, mostly, there are some posts/tutorials by critor.
Sure, there's a selection bias about those calculators.
  
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