![]() ![]() You are right the message is (Can't Unlock Maps). Thank you very much I will check the steps you write then I will let you know what happen. Once retrieved your MapSource software that has been installed will be ready to use. When your device is detected, enter the serial number of your GPS device and click the Retrieve Unlocks button below. Connect your device to your computer's USB port and click the Find Devices button below. Before you begin, please write down the serial number found underneath the battery of your GPS device. The maps on your device have already been unlocked before purchasing. When your device is detected, enter the serial number found on your GPS device and click the 'Retrieve Unlocks' button below. If you have already unlocked your maps and would like to retrieve your existing unlock code(s):Ĭonnect your GPS device to your computer's USB port and click the 'Find Devices' button below. Then click the 'Unlock Map' button below. When your device is detected, enter the serial number found on your GPS device and the 8-characters product key found on the back of the disc's case (for TOPO maps the product key can be found either on the manual or pasted inside the case on the left side). If unlocking your maps to this computer for the first time:Ĭonnect your GPS device to your computer's USB port and click the 'Find Devices' button below. The Garmin device should now power on without displaying the error message.Ĭlick Eject (if there is no Eject option, the device does not need to be ejected). Unlock the maps for the device on the computer and then reinstall them to the device. Maps may have been installed to the device with MapInstall or MapSource that were not unlocked for the device. If maps have not been installed or updated recently, if an update is available. If the issue persists, follow the steps in this FAQ. If this message is displayed after installing a Downloadable Content (DLC) map, reinstall the map and try again. Ejecting the device before disconnecting it can prevent this error.1 Even though the update appears to complete, the write-caching feature on some computers may have not completely built or transferred the map to the device. ![]() If the device is being updated on a Windows computer, be sure to use the Safely Remove Hardware option after the update has completed. If the issue occurred as a result of updating the maps, ensure that Garmin Express is up to date and reinstall the maps. If these situations do not apply or the issue is not resolved, proceed to the following steps. ![]() ![]() Preloaded maps can not be copied from one card to another. If the memory card contains maps that were copied from another preloaded card, delete the map files from the card and use the original card. If the memory card was preloaded with the map, contact Product Support. Unlock the maps for the device on the computer and then reinstall them to the memory card. Maps may have been installed to the memory card with MapInstall or MapSource that were not unlocked for the device. The maps will either need to be deleted or reinstalled for the current device to unlock them. If the memory card was previously used in another device, there are most likely maps installed to the card that are only unlocked to the previous device. If the error message no longer displays, there is a locked map on the memory card. If a memory card is inserted into the device, remove the card and restart the device. Incorrect or missing unlock information for an installed map. Installing a memory card that contains maps intended for a different device. If a Garmin device displays the message Can’t Unlock Maps or Can't Authenticate Maps, it has detected a map that cannot be validated for use with that device. I have a problem to install the downloaded maps to my nuvi 55, the device give me a message that the maps are locked.Ĭorrecting the message "Can't Unlock Maps" or "Can't Authenticate Maps" on a Garmin device. ![]()
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