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  1. #1
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    Default nuvi 2598 not being detected by PC after firmware update

    Hi. I posted this last week in the GarminCure3 thread but haven't had any replies, so I apologize if that was the wrong place to post in.

    I have a nuvi 2598LMTHD, firmware version 510, HWID 1582.

    The other day I went to update it with Garmin Express as I hadn't done so in a while. I plugged it into PC, it was detected immediately like usual, and Garmin Express said there were both map and firmware updates. I installed the map updates and then began installing the firmware update. At some point during the firmware update, it asked me to disconnect and reboot the GPS. After I did that, my computer was no longer detecting the GPS. I'm pretty sure one or more files were corrupted somehow.

    I've managed to flash it with the cure firmware, the computer started detecting it again and I could see the device files in explorer. I don't know which files are corrupt so I was going to format it with RMPrepUSB. This is where I'm running into trouble. For some reason it's being assigned three drive letters. E (7.04 GB), G (127 MB) and H which says "Please Insert A Disk" when I click it. Shouldn't it only have one volume/drive letter, and if so how can I fix this? I can't delete the volumes with Windows Disk Management.

    I've formatted both individual volumes with RMPrepUSB, but as soon as I use updater.exe to flash the original firmware back, the computer stops detecting it again.

    I'd appreciate any help.

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  3. #2
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    Probably you have set badly RMPrepUSB
    Try this tool to merge the partitions:
    Code:
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    then follow this:
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    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  4. #3
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    Hi again, sorry for the lack of response.

    I'm making another attempt at fixing this nuvi. The good news is that I was able to get it back to only having one partition. I've now formatted it again with RMPrepUSB, making sure I had all the correct settings. However, as soon as I flash the original firmware back onto it, the computer stops detecting it again. I don't understand how this can be happening when I'm starting from a completely clean drive.

    Just to confirm, is this the correct firmware for a 2598, HWID 1582?
    Code:
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    When I run updater.exe, I notice it says "nuvi 2xx7 Software Version 5.30" instead of 2xx8, but that shouldn't make a difference as the GCD file is for both, correct?

    Edit: Another thing is that when I disconnect it from the computer while it has the original firmware loaded, it hangs on that Garmin loading screen with the image of a PC tower. I have to press and hold the power button for about 10 seconds to get it to reboot.
    Last edited by klmxer; 17th April 2016 at 23:19.

  5. #4
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    When I run updater.exe, I notice it says "nuvi 2xx7 Software Version 5.30" instead of 2xx8, but that shouldn't make a difference as the GCD file is for both, correct?
    nuvi 2xx7 and 2xx8 have HWID: 1582
    After loading cure and pc sees it what happens if you run Windows chkdsk?
    Code:
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    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  6. #5
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    When I run chkdsk I get the following:

    The type of the file system is FAT32.
    Volume GARMIN created 1/1/2000 12:00 AM
    Volume Serial Number is C63D-B811
    Windows is verifying files and folders...
    File and folder verification is complete.

    Windows has scanned the file system and found no problems.
    No further action is required.
    7,382,576 KB total disk space.
    8 KB in 2 hidden files.
    36 KB in 9 folders.
    94,236 KB in 13 files.
    7,288,292 KB are available.

    4,096 bytes in each allocation unit.
    1,845,644 total allocation units on disk.
    1,822,073 allocation units available on disk.
    I followed the instructions to make hidden files and folders visible, but I do not see any "found.000" folders.
    Last edited by klmxer; 18th April 2016 at 00:27.

  7. #6
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    8 KB in 2 hidden files.
    36 KB in 9 folders.
    94,236 KB in 13 files.
    I guess it's not properly formatted, try a low level format tool.
    [Only registered and activated users can see links. ]
    [Only registered and activated users can see links. ]

    [Only registered and activated users can see links. ]
    You have to navigate to get to the good.
    Nuvi1250/Nuvi 34xx/Nuvi 2200/Nuvi 66/Oregon 600/Galaxy S5 MM 6.0.1/TomTom GO/iGO Nextgen Avic,Basar,Isr.Gift/Navigon
    Please don't flood my pm box with questions you can post on forum!! You won't hear back from me.

  8. #7
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    Quote Originally Posted by klmxer View Post
    ............ For some reason it's being assigned three drive letters. E (7.04 GB), G (127 MB) and H which says "Please Insert A Disk" when I click it. Shouldn't it only have one volume/drive letter, and if so how can I fix this? I can't delete the volumes with Windows Disk Management.

    I've formatted both individual volumes with RMPrepUSB, but as soon as I use updater.exe to flash the original firmware back, the computer stops detecting it again. ...........
    Windows Explorer will show 3 drives in the following scenario: Both the nuvi's main file system and the [normally hidden] RWFS partition are available and given drive letters if 'Show RWFS in Mass Storage' has been selected in the device's Diagnostics Page RWFS Settings. Of course Windows also allocates a drive letter to the device's card reader, that's the case even if there's no card inserted it will still show in Explorer, but it won't show in RMPrepUSB unless there's a card inserted. Also if the RWFS partition was enabled as visible then RMPrepUSB will show it as 'Garmin nuvi System1' underneath the main drive shown as 'Garmin nuvi System', so you also see the 2 partitions there.

    Quote Originally Posted by klmxer View Post
    .......... The good news is that I was able to get it back to only having one partition. I've now formatted it again with RMPrepUSB, making sure I had all the correct settings. However, as soon as I flash the original firmware back onto it, the computer stops detecting it again. I don't understand how this can be happening when I'm starting from a completely clean drive. ..........
    This may not be such good news if as i suspect you have managed to delete the RWFS partition which is indeed ~127MB [in most modern devices which have RWFS it's actually 134,053,888 bytes exactly i think]. I've never seen a unit which has had that partition deleted and merged with the main partition and i'm not the least surprised that Windows Disk Management wouldn't let you do it. Of course 3rd party partition managers are far more powerful because they don't have the constraints imposed by Windows.

    Now here's the thing: If you have done what i think then the unit will remain unbootable in it's current state [i.e. stuck on logo screen] and cure firmware won't help either of course. If it was mine i'd[*]delete the new partition and re-create the RWFS partition of the exact correct size with MiniTool Partition Wizard, then format it in FAT16 [not FAT32] with RMPrepUSB, formatting the remainder as FAT32 for the main file system and naming both partitions 'GARMIN'. Ensure the big partition is first on the drive, move it with MiniTool after creating the two partitions. Then load original fw as an RGN file named only 158201000530.rgn via Updater.exe in preboot. I don't know if this will work but i doubt you can make it worse if you can confirm that in fact you had RWFS enabled as visible before this happened.

    EDIT:[*]Do as suggested in the post above by catymag and low level format it first in case those unexpected files are corrupt garbage. I've used this tool and it works well:
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    The free version is fast enough for small drives.
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  9. #8
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    Okay, you were right about the RWFS settings. I must have changed it at some point when I was first trying to fix it, seeing only one partition again was because it had been set to hidden again.

    So here's how things stand at the moment. I have it set to show RWFS again so I can see/format it. I ran the HDDGuru low level format tool on both partitions, and I then ran it through RMPrepUSB using the settings in this post [Only registered and activated users can see links. ] with the RWFS partition set to FAT16.

    Should I have unchecked "Set partition as non-bootable" for the RWFS partition?

    This is how it's currently showing up in Explorer and MiniTool. [Only registered and activated users can see links. ] [Only registered and activated users can see links. ]

    The unallocated space on each is a result of the RMPrepUSB format, right? Is it supposed to be like that or should I use MiniTool to extend each partition to the unallocated space?
    Last edited by klmxer; 21st April 2016 at 00:34.

  10. #9
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    Neither partition should be set as bootable.

    So i take if from what you've said about being able to 'set it to show RWFS again' that the unit in fact would fully boot previously although it wasn't being seen by Windows Explorer in Mass Storage Mode before. After formatting you can obviously now see both partitions in Windows but is that with Cure firmware again loaded?

    If you had partition size set to 'MAX' in RMPrepUSB then normally it would use all available space as such before formatting. The 11 MB unallocated attached to the main flash is probably of no real concern, but it's new territory for me with the RWFS partition which should be ~127.8 MB or 134,053,888 bytes [that may be shown as either 127MB or 128MB depending on whether the OS or program rounds up or down].

    Assuming you haven't had to load cure fw again to get Mass Storage Mode, if the unit were mine i'd leave both partitions at their present size for now and load an empty .System folder to each partition. It's not possible to easily create such a folder under windows so here's one in a rar file. Extract it directly to the root of each partition then see if the device will boot. [Only registered and activated users can see links. ]
    'Thanking Posts' are banned. To thank someone, and/or to see hidden links and content, use the [Only registered and activated users can see links. ] button below left of the helpful post then refresh your browser [F5 key]. 'Thanking Posts' are banned.
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  11. #10
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    - delete/merge all partition so you will have then only one unallocated
    - now create partition as non bootable
    - format it to fat32 with windows tool and then with PrepUSB you can also do it with LLF

    now all must work.
    If you wish, you can [Only registered and activated users can see links. ]

 

 
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