operating system not found - how to upgrade?

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idomath

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Sep 1, 2014, 4:35:23 PM9/1/14
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I have a student with a TI-Nspire clickpad that says "operating system not found".   When I plug it into my computer, the Teacher Software doesn't recognize it (it is listed with a caution triangle in the Content tab).  How do I upgrade/install the current OS on this unit?

Thanks!
Kara

 

Travis Bower

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Sep 1, 2014, 5:22:34 PM9/1/14
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maybe try unit to unit? or call ti cares


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Andy Kemp

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Sep 1, 2014, 5:32:15 PM9/1/14
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Sounds like they may have bought an ex-prototype off of ebay.  Not seen one for a while but they boot with a triangle showing in the corner and can't be upgraded with normal public relelases...


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Nevil Hopley

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Sep 2, 2014, 3:52:26 PM9/2/14
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Hello Kara

The error you are getting does happen every once in a while with handhelds, and mainly older, non-CX handhelds.

As has been suggested, sending the OS from another handheld to the one reporting the error is the way to go - it's as if the second handheld can 'push' the OS to the first handheld in a way that the Computer Software can't, as it needs to establish a higher level of 'contact' with the offending handheld.

Nevil

Bikash Jain

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Sep 3, 2014, 4:21:42 AM9/3/14
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Hi Kara! Here is the solution:




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Bikash Jain

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Sep 3, 2014, 4:23:17 AM9/3/14
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I am sorry, the previous mail sent off (premature) accidentally Here are the steps:

-          Connect the hh with your software

-          Go to content tab and right click on your hh

-          Click Install OS

-          Select the OS file and send (you may send the latest directly- OS version 3.9)

-          It sends the OS, and handheld reboots with latest


Thanks

Regards, Bikash Jain




idomath

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Sep 4, 2014, 5:50:48 AM9/4/14
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Thank you for the help.  I have tried both of the suggestions given, and neither works.  When attempting from the software, it gets about 95% finished, then says the OS is corrupt or invalid (I downloaded 3.9 from www.education.ti.com).  Anything else to try?

Kara

Bikash Jain

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Sep 4, 2014, 7:05:00 AM9/4/14
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I tried yesterday with the same process, installing OS from software (I also had a triangular sign in handheld, and saying OS not found). but it worked. May be you can try with earlier version of OS : 3.6 or even earlier, and then try upgrading.



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Michael Cooper

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Mar 2, 2015, 9:50:57 PM3/2/15
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I've just had a similar problem. It almost completes the install, but then says : "You cannot install a version of the OS that is older than the currently installed version"
When I tried "Check for OS Updates" it said it is currently running version 0.0.
I'm not sure what to do next.

Regards,
Michael C

___________________________
Michael Cooper
School Timetabler
Marian College
West Sunshine
Phone: 9363 1711
Fax: 9363 2386
>>> Bikash Jain <bikash....@gmail.com> 4/09/2014 9:04 PM >>>

John Hanna

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Mar 3, 2015, 7:37:58 AM3/3/15
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Try:

  • Download the latest OS to your computer.
  • Connect the affected handheld to the computer.
  • Use the Transfer Tool (on the Tools menu of the software) to download the OS file to the handheld.

If that fails then use the ‘four-finger salute’ to get to the ‘Maintenance Menu’ on the handheld, wipe it clean (format), then install the OS from another handheld or the computer.

Four-finger salute (TI-Nspire CX):

Hold DOC, EE and ENTER and then press the reset on the back of the calculator.

This probably takes two people to accomplish (intentionally difficult!)

Regards,

     John Hanna

     jeh...@optonline.net

     www.johnhanna.us

     T3 - Teachers Teaching with Technology

   

     “… descended into irrelevance a while ago but hoping to rise to mere obscurity soon.”

Michael Buescher

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Mar 4, 2015, 8:29:14 AM3/4/15
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I recently called 1-800-TI-CARES about a handheld with a similar problem.  I had previously tried all of the Reset options, including the Double-Secret Reset that John mentions.

The TI tech had me remove the battery for several minutes to force the calculator to revert to its factory state.  After re-installing the battery, I was able to install a new operating system, and it works fine.

Good luck,
Michael

Hathaway Brown School 19600 North Park Boulevard Shaker Heights, Ohio 44122

Travis Bower

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Mar 4, 2015, 9:53:04 AM3/4/15
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[the battery removal has worked well for me.  This has been particularly true when the calc does not seem to hold a charge or never registers over 25/75%]  Be careful when removing the battery.  Ease it out with your finger nails, leveraging side to side, gently.  Note that the red wire is on the right r=r.

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Travis Bower
Math Teacher
Dos Pueblos High School
tbower@sbunified.org
www.dphs.org
www.sbunified.org
805.968.2541 x4538
 

Steve Arnold

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Mar 4, 2015, 8:14:58 PM3/4/15
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Hi all

Take a look at the TI Knowledge Base case posted here:

https://epsstore.ti.com/OA_HTML/csksxvm.jsp?nSetNumber=35156


Hope this helps!


With best wishes,
Steve
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Educational Technology Consultant
Compass Learning Technologies

T3 Fellow, Teachers Teaching with Technology Australia

Office: +61-2-4971-1012

Web: http://compasstech.com.au
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