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[Solved] TI link OS corrupted can't update.

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[Solved] TI link OS corrupted can't update.

Unread postby baku1413 » 17 Oct 2019, 23:51

Hello. I want to update OS in my TI nspire CAS. I have 1.1.9170 from 2007. Downloaded 3.9.0.463 from TI site and when I use update OS function it says that OS is corrupted. I've tried old version 1.2.2394 and it passes but when calculator starts installing it, again OS is corrupted but now on calc screen not PC.
Boot1 version: 1.1.8916
Boot2 version: 1.1.8981
How am I supposed to upgrade OS safely?
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Re: TI link OS corrupted can't update.

Unread postby critor » 18 Oct 2019, 00:01

Hi.

1.1.9170 is not a production version but a development version
(which means your calculator is a prototype)
.
You cannot update it with downloadable production versions, it'll just complain that they are corrupted.

You need to mod your calculator for it to accept production versions.

There is a how-to for this, in french :
https://tiplanet.org/modules/archives/d ... nspire.pdf

The good news is you can skip part II
(the hardest step)
, since 1.1.8xxx/9xxx versions have USB support.

Feel free to ask for more information regarding this how-to.
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Re: TI link OS corrupted can't update.

Unread postby baku1413 » 18 Oct 2019, 00:11

Oh I will definetly try it tomorow with Google translate. Im happy because i have FTDI module so don't need to order anything.
*edit* im dumb don't even need to use it
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Re: TI link OS corrupted can't update.

Unread postby critor » 18 Oct 2019, 00:15

You don't need the FTDI module, it's only useful for prototypes with older Boot2
(1.1.7xxx and older)
which don't support USB.
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Re: TI link OS corrupted can't update.

Unread postby baku1413 » 18 Oct 2019, 09:38

Tried installing this
archives_voir.php?id=2170
Also says that it's corrupted
Maybe it is also problem with my computer link software?
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Re: TI link OS corrupted can't update.

Unread postby baku1413 » 19 Oct 2019, 00:58

Also tried installing same image from different computer with windows 7. Same results corrupted image
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Re: TI link OS corrupted can't update.

Unread postby baku1413 » 20 Oct 2019, 17:13

Any ideas or I am forced to use FTDI method?
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Re: TI link OS corrupted can't update.

Unread postby Ti64CLi++ » 20 Oct 2019, 19:19

Are you sure your calc is a CAS model?
Did you follow the tuto to mod your calc?
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Re: TI link OS corrupted can't update.

Unread postby baku1413 » 22 Oct 2019, 15:37

Yup, on the back and the front there are big letters CAS.
https://imgur.com/a/Lp4DWUC
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Re: TI link OS corrupted can't update.

Unread postby Ti64CLi++ » 22 Oct 2019, 15:40

And which TI-Nspire Computer Link are you using?
If I remember well, for prototype you must use 1.4
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