Dakota 10 doesn't acquire satellites

Discussion related to the Garmin Dakota GPSr
Jetson
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Joined: Tue Aug 16, 2022 3:40 pm

Re: Dakota 10 doesn't acquire satellites

Unread post by Jetson »

Thanks. Exist somebody who saw working GPS on FW 5.80/5.00 (Dakota/GPS)??
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GPSrChive
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Re: Dakota 10 doesn't acquire satellites

Unread post by GPSrChive »

Jetson wrote: Sat Aug 20, 2022 6:13 am Thanks. Exist somebody who saw working GPS on FW 5.80/5.00 (Dakota/GPS)??
Yes.

Dakota 20 Satellite Page Example v580-500.png
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skinnie
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Joined: Mon Sep 27, 2021 1:22 pm

Re: Dakota 10 doesn't acquire satellites

Unread post by skinnie »

Jetson wrote: Thu Aug 18, 2022 5:23 pm I dont care about version, until everything working fine, unfortunately. But actual is 5.80 for Dakota and 5.00 for GPS module. The same result is for Dakota 20. Just positions of satellites are different, because time in devices isn't same.


20220818_191727 (002).jpg
Is there a way to downgrade gps module?
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GPSrChive
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Re: Dakota 10 doesn't acquire satellites

Unread post by GPSrChive »

Only way to load older GPS module software would be to load older GPS Firmware version, and even then we are not certain the GPS software would also revert to older version.
skinnie
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Re: Dakota 10 doesn't acquire satellites

Unread post by skinnie »

Jetson wrote: Tue Aug 16, 2022 3:50 pm Any news? I have Dakota 10 and also Dakota 20 and both after upgrade to 5.80 software version, never acquire satellites (as wrote here). I returned until 4.1 version, but lower version with other version of GPS firmware (present 5.0), impossible to downgrade...
Do you know which firmware you had before ?
skinnie
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Joined: Mon Sep 27, 2021 1:22 pm

Re: Dakota 10 doesn't acquire satellites

Unread post by skinnie »

Jetson wrote: Tue Aug 16, 2022 3:50 pm Any news? I have Dakota 10 and also Dakota 20 and both after upgrade to 5.80 software version, never acquire satellites (as wrote here). I returned until 4.1 version, but lower version with other version of GPS firmware (present 5.0), impossible to downgrade...
I redid all my attemps today.
Computer with Windows XP.
Downloaded RGN files from older firmwares than 4.1, doesn't flash.
GCD, minimum version is beta 4.04, bellow that doesn't go, stuck on loader.
Till 4.04, gps shows me gps firmware 5.0
Isn't there a way to force flash?
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GPSrChive
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Re: Dakota 10 doesn't acquire satellites

Unread post by GPSrChive »

Are you following the process listed at GPSrChive > Dakota > Miscellaneous > Forced Firmware Upgrade?
skinnie
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Joined: Mon Sep 27, 2021 1:22 pm

Re: Dakota 10 doesn't acquire satellites

Unread post by skinnie »

GPSrChive wrote: Sun Sep 18, 2022 2:17 am Are you following the process listed at GPSrChive > Dakota > Miscellaneous > Forced Firmware Upgrade?
Yes, if the rgn fw used is bellow v4, it won’t flash.
If > it will.
skinnie
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Re: Dakota 10 doesn't acquire satellites

Unread post by skinnie »

here is what I've done (my workflow)
Downloaded a bunch of RGNs,GCDs, exes from different sources:
Perry's site (using webarchive), GPSrChive and Iogrea, together with webarchive for the recovery file

Went downgrading firmwares from 5.80, till 4.1 via GCD files. All seamless.
Although, in the "about" section, the gps software is still 5.0...and it doesn't get a fix.

Under 4.1 , I tried beta 4.04 (using webupdater.exe), all good, version under it don't flash. Stuck on Loader Loading.

Decided to try RGN Flashing a go.
Open RGNTool 0.94, and opened the various RGNs I downloaded. Out of it, only the ones in "recovery packages" like this one worked, all others said "this is not a valid GCD file" . If I convert a GCD to RGN, RGN tool opens it fine.

Decide to try to use RGN tool to flash RGN under 4.0, no go, stuck on Loader loading, and updater.exe

Downloaded g7towin to retriev HWID.

First thing I noticed, it says software version 5.2, while it is running firmware 4.1

I've tried all this both in windows 7 64bit and windows XP 32bit. Different Cables.
Reading this, makes me think it may have similar issue, and could be software.

So I guess something is not ok, and that I am missing something.
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GPSrChive
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Re: Dakota 10 doesn't acquire satellites

Unread post by GPSrChive »

Are you able to get screen captures from the Dakota > Setup > About page showing the loaded software versions? Please share these with the GarminDevice.xml file from the \Garmin\ directory.

Send to webmaster at GPSrChive dot com if you do not want to post them here.
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