Customer Review

207 of 245 people found the following review helpful
1.0 out of 5 stars what junk - lost maps after 3 months, March 6, 2012
This review is from: Garmin nüvi 40LM 4.3-Inch Portable GPS Navigator with Lifetime Maps (US) (Electronics)
So I got this thing for Christmas (it's now March). Two days ago I was 270 miles away when the device went ape$h!+ on me. I turned it on and had to press a little dot on the screen a whole lot of times. Eventually I got this to go away but then it said something like "cannot unlock maps" and I was unable to enter a destination. Got home and after about an hour or two of searching online for help I found how to resolve the issue IN 20 EASY STEPS :(
Oh and by the way the free map updates take about 4 hours to download :(

Here's a cut and paste from this webpage. Good luck when this happens to you on the road....
[...]
If you are getting the message "Can't Unlock Maps. Your unit will not function without maps," on your Garmin mass storage device, there may be an issue with the unlock file on your device.

Please follow the steps below to restore the mapping unlock file:

1.Log into your myGarmin account1
2.Select myMaps
3.Below the appropriate device, select the "Details" link
4.Look for the Unlock Code listed on this page
5.Copy all the unlock codes for your device
6.Close your internet browser
7.Right-Click on your Desktop
8.Click New and then click Text Document
9.Double-Click on the newly created Text Document icon from the desktop
10.Paste or type your unlock codes into the document
11.Click File and then click Save As
12.Change the file name to: gmapprom.unl
13.Change the "Save as type" to "All Files"
14.Click Save
15.Close the document (You should see the file gmapprom.unl on your Desktop)
16.Right-Click on the gmapprom.unl file and then click Copy
17.Connect your Garmin device to your computer and open Computer/My Computer
18.Right-Click on the 'nuvi (drive letter:)'2
19.Click Open
20.Right-Click on the Garmin folder and click Paste (See Step 21 for instructions specifically if your device is not one of the following: Quest series, StreetPilot series, nuvi 200 series, nuvi 205 series, nuvi 295W, nuvi 300 series, nuvi 465, nuvi 500 series, nuvi 600 series, nuvi 700 series, nuvi 800 series, zumo series 400, zumo 500, zumo 550 and zumo 660)
21.If your device is not one of the devices listed above, the gmapprom.unl file is required to be placed in the ".System" folder, which is a hidden system folder. In order for you to see the hidden ".System" folder:
'For Windows XP:
1.In MyComputer go to the Tools menu and choose Folder Options...
2.Select the View tab
3.Select the radio button next to "Show hidden files and folders"
4.Uncheck the box next to "Hide protected operating system files (Recommended)"
5.Click OK
'For Windows Vista & Windows 7:
1.In the Computer window go to the Organize menu and choose "Folder and search options"
2.Select the View tab
3.Select the radio button next to "Show hidden files, folders, or drives"
4.Uncheck the box next to "Hide protected operating system files (Recommended)"
5.Click Ok
Safely disconnect your Garmin device from the computer to complete the process. If you are having any issues duplicating the steps above or are still receiving the message "Can't unlock maps, your unit will not function without maps," please contact product support here: [...]
1 The device must be registered to view the Unlock Code. To register your device, follow the steps outlined in the following article: [...]

2 In My Computer, some units may be labeled 'garmin (drive letter:).'

Update December 2012 - we went to the zoo in Pittsburgh a while back and it took us to the BACK of the Zoo, not the entrance. As we fumbled around trying to find the entrance at the bottom of the hill, the GPS kept telling us to turn around and go back up the hill to the back of the zoo.
Yay!
And when we went to the Phipps Conservatory and Botanical Gardens in Pittsburgh, it took us right there. Well done. But then we tried to go home and instead of going out the way we came, it took us across the bridge and through the Pitt campus and down some side streets full of student housing and narrow streets with cars parked on both sides getting us back to where we got on the highway. ???
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Comments

Tracked by 4 customers

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Showing 1-7 of 7 posts in this discussion
Initial post: Jul 7, 2012 7:54:30 AM PDT
Tom says:
[Customers don't think this post adds to the discussion. Show post anyway. Show all unhelpful posts.]

In reply to an earlier post on Jul 29, 2012 9:01:14 AM PDT
Just Nutz says:
Actually, it's not called diarrhea of the mouth, since it's typed text. How rude and condescending.

Posted on Aug 26, 2012 7:46:12 AM PDT
Shirley says:
Holy Mackerel! I was about to click on the add to the cart button to purchase this. What product do you recommend instead? I think the list of what you had to do to fix the problem is essential to your review. Thanks.

Posted on Nov 26, 2012 2:36:46 PM PST
Merls says:
What other devices should be purchased for the Garmin Nuvi 50LM 5-inch to work in the Republic of Trinidad and Tobago.

Posted on May 16, 2013 10:34:02 PM PDT
I had the exact same glitch with the calibration dot and maps being gone with a different Garmin I bought in November 2011. Luckily I had a phone with google maps as a backup. Whatever it was, a Garmin software update seems to have fixed it as it hasn't happened anymore.

Posted on Sep 27, 2013 9:10:49 PM PDT
G. W. Lawyer says:
Thank this just put the nail in the coffin for my purchase i have heard this to much.

Posted on Sep 28, 2013 7:06:40 PM PDT
Coronet Blue says:
Now that's what I call user friendly! I don't have Windows so I might be able to cut things down to 12 - 15 steps.
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