I have a TomTom GO 910 with 4 Maps installed. Canary Islands, Guam, North America and Western & Central Europe. When my TomTom is connected to my PC I can see all 4 maps in the windows file structure and I can also see the maps in TomTom HOME in "See contents of your device".
Despite all of this, I can only select the first 3 maps when I 'Switch Map'. The map of Europe does not show and therefore cannot be used.
I have reset the device and restored it from a backup when it was last working correctly.
As I live in UK this problem is rather annoying.
Does anyone have a solution or should I move to Guam?
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Re: 4 Maps Installed, only 3 Visible
You may have run out of memory for the full map, your device can use a 2Gb max SDcard which should be enough for all your maps. It will have put placeholder there and tryed to drop the full map but you can only see the bit it could store to the memory.
For map versions 7 and above, you have to activate you map with a meta file, that only TomTom can provide. If you don't have the activation file, then you won't see the map. If you own the map legitimately, a call or email TomTom for the activation file.
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It usually finds and updates whatever map(s) you currently have on your GPS device. However, if you have a few maps, it may offer you options to buy more (maps) ... as one or more updates ... for one or more additional charge.
Your problem might be that the GPS can't get a lock on the satellites and it doesn't know in which part of the world it is.
I suggest you download the latest updates and QuickFix, then leave the unti close to a windows (even if you are indoors). The unit should be able to getn afix on the GPS satellites in less than 15 minutes.
Please, let me know if you need more detailed instructions.
Assuming the maps have been registered for your device.........try resetting the device. If the maps are not registered, it may eventually boot up, but you'll get a message saying that the maps are not authorised for this device.
I fixed this by, restoring a previous saved backup on my TomTom Go 910, then i re-downloaded the updated map from TomTom.com, installed it and then all the Mapshare updates were available. Just a bit of advice, be sure to back up your TomTom, you never know when you'll need it !