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Installed A Wrong Os Update Version

Discuss issues related to the fx-9860G Software Development Kit
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Installed A Wrong Os Update Version

Postby rikrik9797 » Sat Nov 09, 2013 5:01 pm

I installed the OS update for fx-9860G(slim) when my calculator was actually just the fx-9860G (NOT SLIM). this caused my screen display to turn upside down and the functions of my calculator's buttons to be entirely messed up. anyone knows how to solve this??
i use the program fx remote to upgrade, and i cant connet the calculator to pc

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Re: Installed A Wrong Os Update Version

Postby SimonLothar » Sat Nov 09, 2013 5:19 pm

You must invoke the bootcode OS updater (also called emergency OS updater). Then you can recover the OS from your flash backup, which you hopefully made before overwriting the OS. Or, if you should not have made a backup, you could re-install the OS by using one of the (fitting) official CASIO OS update packages.
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Re: Installed A Wrong Os Update Version

Postby rikrik9797 » Sat Nov 09, 2013 5:34 pm

how i do the emergency os updater?

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Re: Installed A Wrong Os Update Version

Postby SimonLothar » Sat Nov 09, 2013 5:51 pm

rikrik9797 wrote:how i do the emergency os updater?
On a fx 9860G just one cm right of the P-button is an opening in the calculator's case. Below you should see a contact. This is P104. Push the P-button while you have P104 closed. I usually use a piece of conductive plastic. Some guys use a paperclip (do not damage the PCB with this tool). Don't give up after the first unsuccessful try. This is a bit tricky.

Then the calculator will display a message like this

OS ERROR
Please update OS.

framed by asterisks.

In this state, you can use f. i. some official CASIO OS update package to recover the OS.
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Re: Installed A Wrong Os Update Version

Postby rikrik9797 » Sat Nov 09, 2013 6:08 pm

Image

what of these things is the p104?

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Re: Installed A Wrong Os Update Version

Postby SimonLothar » Sat Nov 09, 2013 6:11 pm

A
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Re: Installed A Wrong Os Update Version

Postby rikrik9797 » Sat Nov 09, 2013 6:16 pm

sorry for boryng you, but what i have to do with the paper clip? just stick the paperclip in that hole?

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Re: Installed A Wrong Os Update Version

Postby SimonLothar » Sat Nov 09, 2013 6:19 pm

Sorry, I have to go afk for about one hour now. But then we will continue.
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Re: Installed A Wrong Os Update Version

Postby rikrik9797 » Sat Nov 09, 2013 6:31 pm

there is no need to, i fix it, ty for the help :) thank you :)

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Re: Installed A Wrong Os Update Version

Postby SimonLothar » Sat Nov 09, 2013 7:21 pm

In case that somebody else needs the information, too.

This is for the fx9860G:
Image


This is for the fx9860G slim (usually the opening to P104 is concealed by a piece of adhesive tape):
Image


P104 is not easily reachable with a GII (9860 as well as 9750)- trigger the bootcode OS update on the GII-types by simultaneously holding down F2, 4 and Ac/ON and pressing the RESTART-button (the calc should show a blank display after releasing the keys) and finally pressing 9 and x consecutively (hold down 9 and x about a second each)
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