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Garmin 350 NUVI - No Backlight

Backlight on GPS not working. Brightness level all the way up, but still nothing. If I hold the GPS at an angle I can see the maps etc. but I can't do this while driving. HELP!

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5 Suggested Answers

marcelbakker
  • 174 Answers

SOURCE: deleted maps on my garmin gps nuvi 255w now what???

Wasn't there a dvd with the product?

Posted on Jul 23, 2008


SOURCE: Garmin Nuvi 350

You need to delete the "demo" file from the unit!

Posted on Aug 20, 2008

sharcnet
  • 2124 Answers

SOURCE: "No Map Data Available" - Garmin Nuvi 350

This is because your map file has either been deleted or corrupted and needs to be replaced. Please see this link for more info. Too much info to copy & paste here:

http://www.sharc.net/nuvi_lost_map.htm


- Jim


Posted on Dec 13, 2008

  • 48 Answers

SOURCE: Garmin Nuvi 200 Maps Disappeared

Hi,
Hope this helps!

I wanted to add maps to my 250W. I found the maps I wanted on a Torrent. However, many searches around various forums never revealed how to install these. Found the following through reading and experimentation.

1. Downoaded map image file GMAPSUPP.IMG. Download also gave me "Use code XXX when generating unlock code for maps"
2. Downloaded Garmin Unlock Generator 1.3 by JetMouse
3. Looked on my GPS to find the UnitID
4. Entered the UnitID into Garmin Unlock Generator. Ignore the GM XT device unlock code and the top Generate button.
5. Selected Map Product as Custom and entered the code given for the downloaded image file.
6. Hit the bottom create button to generate a 25 digit code.
7. Download Img2Gps and run
8. Click Load Folder to load the image file. Select the tick next to it.
9. Check the Use Unlock Key option and paste the 25 digit code in.
10. Load a blank SD card into your Garmin
11. Connect the Garmin to your PC using a USB cable. You should see two dirves in windows: one is the Garmin and the other is the "Removable Disk" SD card.
12. Create a folder called "Garmin" on the SD card
13. Select Folder/Card in Img2GPS
14. Click "Copy Maps". Select the folder /Garmin on the SD card. You may need to click copy again.
15. Upload will take a while.
16. You should now see a file GMAPSUPP.IMG on the SD card in the /Garmin directory.
17. Create a new text file called GMAPSUPP.UNL in the same directory (make sure it does not have a hidden .txt extension).
18 copy the 25 digit unlock key into this file.
19. Close the file.
20. Disconnect the Garmin.
21. On Startup it should load your original maps and the new ones.

Posted on Jun 02, 2009

  • 4090 Answers

SOURCE: Is there any free map updates for the garmin nuvi?

Asmany as there are FREE dinners Updates are not free, unless you paid full price for it when you bought it. Free upgrades are a deceptive myth. If you get a free uograde its usually minor and was included in the price of the pack.

Posted on Sep 20, 2009

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1 Answer

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If the brightness control is turned all the way up and the screen is still dark, then the LCD display is defective. Probably a problem with the backlight.

To turn on, you have to press and hold down the on/off power button until the screen comes on. There is a design flaw with the power switch. Please see this link for details. Too much info and pictures to paste here:

http://www.sharc.net/nuvi_power_switch_repair.htm

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1 Answer

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