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  1. #1
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    Default Unable to Calculate Route

    Hi i update my garmin nuvi 310 to 2015.20 maps but now i drive 10 km on the highway and it say that cannot calculate route + something about no roads available...

    Maybe it was me that made an incorrect update? But on maps it say 2015.20... The gps work fine but gives this error...
    Thanks

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  3. #2
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    You install 2015.20 map on SD card?
    Do you install 2Gb img or you install all 3Gb+ img?

    Nuvi 310 only recognize map max size 1,8Gb in one img.

    If you have 3Gb+ img then your device calculate route from basemap and this is reason for your error, becouse he don't see data from CN.
    If you wish, you can [Only registered and activated users can see links. ]

  4. #3
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    I suppose it's CNEU.
    The latest official is NTU 2015.30. Unofficial is .40. NT latest official .20
    You can have problems if you installed NTU version or if you got an .img made with Mapsource.
    New CNs must be sent to device by Mapinstall, Mapsource is discontinued and not good with new CNs.
    If you have lifetime update instead, try to reload the map, may be you got a faulty tile.
    Be sure to have a basemap in nuvi too.
    These are some ideas, if you give more details we can better understand your issue

    sent with my phone
    [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.

  5. #4
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    Roger's Avatar
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    @ Lollipop

    Max size for recognize map, 3xx series, is 2Gb (- 1 Byte) in SD card as 4Gb, of course



    @ b22c

    In your device exist the gmapbmap.img?

  6. #5
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    Hi, my map is on my sd card since on internal memory only have 15MB free. The map i put on sd card have 425MB
    Its the iberia map, i download from other forum and it says iberia unlocked when i download it.
    I have the file gmapsupp in the garmin folder on sd card

    I download something like you have in your site

    [Only registered and activated users can see links. ]

    And just put the file in garmin folder in sd card

  7. #6
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    Do you have the basemap in nuvi?
    Do you have another routable map selected covering the same area?

    sent with my phone
    [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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    I only have the file in sd card gmapsupp image and in the internal memory inside garmin folder i have:

    2l9gmyx

  9. #8
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    What is gmapprom.img in internal memory?

    sent with my phone
    [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.

  10. #9
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    Dont know its already there... Should i delete the file after i add a new map to sd card?
    Last edited by b22c; 5th March 2015 at 12:11.

  11. #10
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    First of all backup your preloaded.img+.gma+.unl on pc, then remove and test again your new map.
    Download Gmaptool if you want to know what is that map
    Nuvi can't support 2 routable maps covering the same area, as said.

    sent with my phone
    [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.

 

 
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