Question about Tomtom GO 910 GPS Receiver

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TomTom 520 won't start

8 day old TomTom 520 and only working for first 3 days, updated to V7.221 and thats when my problems started. Only display on screen is picture of TomTom unit in cradle with flashing red cirle and white cross inside, also icon in bottom right corner of what looks to be a PC drive unit. I assume it is telling me of a software problem. Each time I connect to TomTom Home it tries to load the update but when disconnecting as advised by the device tab the same error repeats. TomTom support site seems to be down as I can't connect. Help! unit is great when it's working but 3 days out of 8 is frustrating. Tried re-setting but this makes no difference. Unfortunatly I did not back up before the first update so can't restore.

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  • Anonymous Dec 27, 2007

    I have the exact same problem as m6wor describes (TomTom go 520 one day old only) identical.

    Please help solve as this is extremely frustrating.

    Bruce

  • Anonymous Jan 01, 2008

    same problem here too , i tried to download speed camera updates and sice then its unuseable, i did back it up before I downloaded updates but cannot restore it to origional backup as unit doesnt seem to be visible to the home software.

  • nevets01 Feb 06, 2008

    I also have same problem. TomTom 520 worked fine when unpacked. connected to computer (day of delivery), installed latest updates. Now only get flashing red circle with white cross. Tried connecting to Home. Error message states 'new application installed, says to disconnect device, unplug, switch on and reconnect - nothing happens - same error message.

  • jimkit Feb 24, 2008

    Brand new 520, worked OK, then when connected to the computer I got the hard disk icon on its screen. Nothing works; I've tried resetting, but that's been no good.

  • Anonymous Jun 20, 2008

    Tom Tom 520 working fine until I connected it to computer now can get no sound for all blue tooth calls.

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Hi all,
I got the following response to this little problem. Will try it out and hopefully my 520 will work again soon.

To ensure that your device is correctly connected to your PC, please do the following:-

STEP 1 Run the Registry Cleaner Tool

• Disconnect the TomTom and remove any USB devices from your PC, If you use a USB Hub, please disconnect that also.
• Run the RemoveRegEntries tool. You can download it from :-http://tomtom.com/lib/img/cs/S4S/files/RemoveRegEntries_TTGOv1.exe
A Black window will appear briefly then close.
• Make sure that you have got Administrator rights on the PC. Otherwise you may not be allowed to connect new hardware (especially the case when using office computers)
• Reboot your PC

STEP 2 Connect the TomTom

• Make sure the device is fully charged before connecting it to the computer. Ideally a mininum of 4 hours charge.
• Reset the device using a paper clip (see http://www.tomtom.com/6965). When resetting, keep the reset button pushed in for at least 20 seconds, but DO NOT turn the device back on just yet.
• Ensure that your TomTom has power connected to it. There should be a green light on the TomTom unit. If your device came with a Home Charger, please make sure that is plugged in to the TomTom also.
• Connect the TomTom to a USB port on the back of your PC. We strongly suggest that you use a USB 2.0 port and not a USB 1.1 Port. (USB 2.0 ports are faster USB ports, which are standard on all modern PC's, older PC's and some laptops may still use USB 1.1 ports which are slower and can prevent some USB devices from connecting properly).

STEP 3 Switch the TomTom On.

• On your PC, open My Computer
• Now switch the TomTom On while it is connected to the PC with the green light on.
• Look at My Computer, do any disk drives appear as you switch the TomTom On? If so, which drive letter is it?
• Double click on the TomTom disk.
• What files and yellow folders do you see?, please make a note of them and reply back with what files and yellow folders you see. If possible, please provide us with a screenshot showing all the details.

If the device is NOT listed as a 'Removable drive' under 'My Computer' when you switch the TomTom On, try the following:-

STEP 4 Check Device Manager

• Disconnect the TomTom from the computer.
• It is likely that you have a Firewall on your PC, in some cases, Firewalls can prevent USB devices from being recognized by the PC. We suggest configuring your Firewall and security settings to allow all USB devices to connect to your PC. Once you have done this, we suggest trying the steps above again.
• Go to 'Start' and right-click on 'My Computer' and select 'Properties'
• Select the 'Hardware' tab
• Expand 'Disk drives'. If the TomTom device is shown there with a red cross, right-click on it and select 'Enable'
• Check under 'My Computer' to see if the device now shows up as a 'Removable drive'.

We also suggest it is a good idea to try to connect your TomTom to another PC to see if you get the same problem.

Posted on Apr 01, 2009

  • David Brough Apr 03, 2009

    Hi all,



    Another solution which just worked for me:



    Back up everything on your unit to your PC.

    Use the 'format' option (Right-click and Format) to clean the TomTom disk drive.

    Replace two folders named 'raster' and the one with your maps in it (possibly UK and Eire, Western Eurpoe, etc.).

    Disconnet the unit from your PC and power it down.

    Start TomTom Home.

    Re-connect your unit.

    This will force Home to automatically update your unit and re-load as factory finished product.



    All you need to do then is make a fresh clean back-up, then you can re-load on all your sounds, images, mp3's etc.

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The green light comes on on my tomtom 520 when it is plugged in to the power, but the tomtom will not turn on wether connected to power or not HELP

Posted on Jan 12, 2010

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Reload or recover yourold details and reload disconnect from device at tomtom home top left hand corner. sorted

Posted on Jan 20, 2009

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I had the exact same problem and the simplest solution for me was to:
1) Go onto TomTom Home 
2) Click 'Remove items', then remove the application
3) Once it is deleted from TomTom, just update it as you would normally by clicking 'Update my device'  4) Once that is done disconnect via the TomTom Home screen (Device > Disconnect) 
The TomTom should then load up normally, i think it keeps all data, as mine loaded up with all my bluetooth and phone preferences, even keeping the same vehicle marker i chose!
I hope this helps anyone else with this problem :D

Posted on Dec 30, 2008

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Un-install your tom tom software
revert back to the original disc and install the original tom tom HOME
then plug your tom tom back in
install updates , but dont install updated software 2.xx or whatever until you have backed up your data
there is no need to install every little update unless you absolutely need it..verify your updates are from a reliable source and dont try update firmware unless you know what you are doing..one false move and your tom tom may not work again..

Posted on Jun 23, 2008

I was having the same problem! Until I discovered that there is no SD card inside TomTom 520, just a bit of black plastic! I replaced this with a real SD card and instantly TomTom came to life!
The map and sample music are installed on its internal memory: 64MB of Ram.
Maybe this is of some help.... It did the trick for me....

Posted on Apr 02, 2008

Had the same problem. Follow this at your own risk!!!!
I had the same screen (red circle with flashing white cross) and the way I finally cleared it was to use TomTom Home to remove the actual TomTom application from the unit ("Remove Items From My Device", it warns you not to!) and then restored from a back up I did when I first plugged it in to the PC. Not quite sure what you'd do if you didn't have a backup though!!
As I say, it worked for me but it is at your own risk.

Posted on Jan 17, 2008

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Go to the following link and try doing a reset on the unit

http://www.tomtom.com/support/index.php?Language=1&query=reset+pin&FID=6965#reset_button

Posted on Jan 01, 2008

  • audiqv8 Jan 18, 2008

    Hook the Tomtom using the USB cable to your computer. You should see the Tomtom drive under My Computer as a drive letter.

    Backup all data from the Tomtom to a folder on your computer. Now select the Tomtom drive and right click, select properties, select tools, and then Check now. Allow the computer to fix any problems with the Tomtom drive. Once this is completed. Remove the USB cable and do a reset. Now turn on your Tomtom and it should work.

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Posted on Dec 27, 2007

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Found this page on the TomTom Support site which might help?
http://www.tomtom.com/support/product.php?ID=1680&Language=1&FID=7375
They provide a file to download which they state should solve the problem, but only if you know how to "Copy the folder home_images to the root directory of your TomTom device" which I am unable to do because I don't know how!
If anyone can help add to this then please do - I have emailed TomTom directly to ask but have received an email stating they'll deal with my question within 2 business days!
DC

Posted on Jan 02, 2008

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Ok, here we go:
1: Do a completly backup via win explorer or similar.
Copy entire content of unit to a folder on your computer.
Remember to set win explorer to show system/hidden files.
2: Make an account here for free:
http://www.tomtom.com/myTomTom/myProfile/index.php
3: Download and install TomTom Home:
http://www.tomtom.com/support/support.php?ID=3&Language=4
4: Connect unit to PC, TT Home starts up. If TT Home doesn't start, start it up manually.
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When updating is finished, disconnect unit.
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Tips:
You can get one free map update if a new map is avaible within 30 days from when you first started to use the unit. This is done through TT Home...

Good luck.
More questions, don't hesitate to post them here.
(Please remember to rate this solution....)

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