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  1. #1
    Master quebec001's Avatar
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    help Garmin Montana 600 ę------Big problemehttps://www.gpspower.net/images/icons/help.gif

    Garmin Montana 600 ę------Big probleme


    First sorry for my bad english , i speak french!

    Is not my personnal GPS, i trouble shoot for one friend

    1- I started to fix it be cause big problem find satelletites and signal satellise
    2- I did everything the basic thing, firmware, hard reset ect ..
    3- CD Update Procedure with :Copy the gupdate.gcd file to [Montana]\Garmin\gupdate.gcd
    4- on one forum said : found that the Antenna had broke off the circuit board.
    5
    Spoiler: Disassembly tuto
    [Only registered and activated users can see links. ]

    6- ok my atenna is not broken
    7 - Normally I'm not a bad technician, except that when reassembling, I did not beware of the Power button, like the box rubber is old, he broke and pressed Power, I saw appear the page screen calibration, I stopped everything and removed the battery
    8 - Now the Touch Screen no longer works, if I do the calibration procedure, with Power ..... the calibration page appears but I touch Pad does not work, impossible to calibrate


    **Is there a way to do a hard reset with the micro SD and a one batch file (view that the Timing Pad does not work, pressed left corner at the top + Power is not possible!

    I know there are great specialist here
    thanks
    Last edited by quebec001; 9th June 2021 at 12:44 AM.

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  3. #2
    Master quebec001's Avatar
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    is not possible pushing one touch screen calibration factory by sd card ?

  4. #3
    Master Butters's Avatar
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    There's no such command that can be run using SD card txt and Ldr.bin. You may be able to force a general hard-reset by downgrading the firmware to a lower version using an RGN file in preboot if you are able to attain that. In any case it may not be a reset that's required, the symptoms sound more like a hardware problem e.g. a faulty screen digitizer or an incomplete connection when the LCD ribbon was reattached to the board.

  5. #4
    Master quebec001's Avatar
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    Firts thanks for your answer,

    My history:

    it happened after I disassembled everything the gps to check the antenna, when reassembling, I am not wary of the power button, the rubber broke and pressed power. addition of the battery, the gps opened in calibration mode, I did nothing and removed the battery. subsequently no touchscreen works!

    I undid the lcd ribbon several times, no better!

    I think removing the battery in calibration mode without adjusting anything was the problem

    1. i had thought of downgrading the firmware but not tried, i will try find one tuto for to do it!
    2. And it does not take a method that I am obliged to place the GPS in preboot mode (because not Touchscreen currently)
    Last edited by quebec001; 14th June 2021 at 05:05 PM.

  6. #5
    Master Butters's Avatar
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    In many Garmins the calibration screen is preceded by a period in which the device is in preboot mode. Open Device Manager of your PC, ensure your montana is fully off then connect it to the PC (which should power it on) to see if it's recognized as "GARMIN Device" in the connected devices list for a short time before the calibration screen.

  7. #6
    Master quebec001's Avatar
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    yes but the continuation is what

    normaly firmware is 7.60 i trying for one teste 7.50 with gupdate.gcd

    Crap of %&*?*()())_)_0-%$?* gps asking me new software Found , Would you like to continue..... yes or no, crap my touchscreen not working???

    I ma sure exist one forcing batch file execute ?only button on/off working (actualy)
    Last edited by Boki_Srb; 16th June 2021 at 08:58 PM. Reason: Unnecessary quote removed

  8. #7
    Master Butters's Avatar
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    Quote Originally Posted by quebec001 View Post
    yes but the continuation is what
    I don't understand what you mean by that statement. Are you referring to a test of the device's recognition in Device Manager? Because being seen or not in Device Manager is a deciding factor as to whether it's reaching preboot (an essential requirement if firmware is to be downgraded using an RGN file (*see more below)

    normaly firmware is 7.60 i trying for one teste 7.50 with gupdate.gcd

    Crap of %&*?*()())_)_0-%$?* gps asking me new software Found , Would you like to continue..... yes or no, crap my touchscreen not working???
    Forget about trying to downgrade using a GCD file. It must be either done with an RGN file in preboot or with a BIN file via SD command. It also might need to be downgraded further than one version to force a hard-reset.

    I ma sure exist one forcing batch file execute ?only button on/off working (actualy)
    Providing the device will boot enough to search for the SD and execute the command it is possible to load a lower version firmware BIN file to region 14 (0x0E) using fw_all.bin with a text command executed by the corresponding Ldr.bin (boot.bin). Preboot mode is safer to use if it's attainable. *Please report on whether the device appears in Device Manager as i suggested in Post #5.

  9. #8
    Master quebec001's Avatar
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    Yes i saw via USB and my PC,
    HWID IS 1275

    it's just that any procedure requiring to touch a corner of screen or other same time power button is currently impossible, because touch screen is not possible at the moment

    And i never made and using fw_all.bin with a text command

    Thanks
    Last edited by quebec001; 17th June 2021 at 01:25 PM.

  10. #9
    Master Butters's Avatar
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    Quote Originally Posted by quebec001 View Post
    Yes i saw via USB and my PC,
    HWID IS 1275
    Does that mean you saw the montana as "GARMIN Device" in Device Manager just before the calibration screen appears on it? Yes? If so, read on because that's preboot mode when it's seen in Device Manager.

    it's just that any procedure requiring to touch a corner of screen or other same time power button is currently impossible, because touch screen is not possible at the moment
    I understand that but if you're correct in your statement this isn't a hardware problem then downgrading the firmware may fix the non-responsive screen.

    And i never made and using fw_all.bin with a text command
    That's next thing to try if flashing an RGN lower version doesn't work. Find an old version GCD and convert to RGN to flash, do you know how to do that?

  11. #10
    Master asprin624's Avatar
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    Hardware Failures

    Montana 600/650

    Montana may permanently stop receiving satellite signals when used in rugged environments due to ceramic antenna separation from circuit board. [adv] [09JUN12]
    Using the 'Rugged' Montana in direct sunlight renders the touchscreen dysfunctional resulting in:
    1. Self selecting menu options
    2. Map screen self selects and sticks in manual scroll mode
    3. Touchscreen responds erratically to input rendering Montana useless <----------------
    [example] [example] [adv] [08JUL12]
    Montana Li-Ion battery contacts may disintegrate over time when used in environments prone to prolonged vibration, resulting in the GPSr shutting down when removed from (or when power is removed from) a powered mount. [example] [adv] [15JUL13]
    Early production units exhibit a high frequency of touchscreen failures. Defective touchscreens may be visually identified by a wafer pattern that is visible when viewing the screen at a 45į angle with the unit powered off. [groundspeak] [gpsreview] [06AUG11]

    Montana external housing may crack and/or tear near or around the power button, compromising IPX7 protection and leaving internal components exposed to the elements. [example] [05OCT20]


    You can find this info here and along with a lot info about the 600

    [Only registered and activated users can see links. ]
    Last edited by asprin624; 17th June 2021 at 02:04 PM.

 

 

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