The only thing i can find is this I suggest you save all your way-points, then do the deed.
1. Turn the device OFF.
2. Place your fingertip or the eraser end of a pencil in the top right
corner of the touchscreen.
3. Apply pressure in the top right corner of the screen.
4. While pressing down on the screen, power ON the unit and continue
pressing on the screen. A message displays to confirm if you really want to
delete all user data?
5. Touch Yes.
6. The unit will now restart.
7. Follow the onscreen prompts to set up the nuvi.
Once the reset is complete, please place your unit in an area with clear view
of the sky until it acquires satellites. satellite codes are uselessly updated in firmware and work with the software but if the info is incomplete you will lose the satellites config settings. the codes are always updating. and most look for 15 satellites and then chooses the strongest 3-4-5 for pin point. but try this and see if it works but you need to save your data if you have it stored IE address. as it might delete them.
SOURCE: My Nuvi 350 won't acquire satellites
I experienced the same problem about acquiring satellite signal even when it's a clear sunny day. After 30 mintues, it was still searching! The unit appeared to have "stuck" in this acquiring mode. The following worked for me: 1) open the GPS antenna 2) press the bottom left screen while holding the power button to turn the unit on 3) enter maintenace mode 4) select diagnostics 5) clear error report, do NOT clear any user data 6) restart unit the usual way My GPS 350 was able to acquire satellite signal in less than 1 minute after the above steps were taken.
SOURCE: Nuvi 350 blown speaker
When you tap the GPS it is probably doing one of two things:
1. The tapping is temporarily reconnecting the broken voice coil in the speaker (speaker will need to be replaced)
2. The tapping is temporarily reconnecting a bad solder joint from the GPS motherboard to the speaker. (The solder joint will need to be resoldered)
You can either send the unit back for repair or purchase a FM modulator and retrieve the audio through your FM car stereo.
You can purchase an external FM modulator like those used on IPODS and CD players. I am using one on my Nuvi 350 and it works well. Just plug it into the headphone jack. Advice: Be sure to buy one that is crystal (PLL) controlled and NOT using a tuning dial. The FM modulators that use a tuning dial often tend to drift and they will also change frequency when you hit a bump in the road.
If you decide to send it back for repair, be sure to have your serial number handy. Register it online https://my.garmin.com/mygarmin/marketing/register.htm
if you haven't already done so.
Hours:
Monday - Friday
8 a.m. - 7 p.m.
Central time (closed holidays)
1-800-800-1020 (U.S.)
1-866-429-9296 (Canada) or (913) 397-8200
Good Luck,
- Jim
SOURCE: garmin 660 locked up / frozen
Resetting the device merely resets the power connection, on some devices there is a reset to manufacturer defaults on settings, but not your stored data. Working with GPS's 40 hours a week I constantly have to use the reset button when they lock up. Just press it in for a few seconds then if it doesn't power back up just hit the power button and everything should be fine.
SOURCE: Nuvi 350 satellite reception problem
Having taken several Nuvi's apart, the flip up antenna has a 1/4" wide flat flex cable that runs from the flip up antenna assembly to the main board.
The flex cable carries the voltages required to power the antenna assembly and bring the signals back to the main board.
There is actually a printed circuit board in the flip up antenna assembly. It's possible that this is the receiver itself.
The flex cable runs through the round center hinge of the antenna assembly on the right (looking at the Nuvi from the rear) back to the main board.
There is also a magnet involved with the flip up antenna assembly that tells the main board whether the antenna is up or down. If the antenna is down, the Nuvi will NOT look for satellites.
A couple things can happen here that can make your Nuvi not find satellites: Assuming you have tried a hard & soft reset:
1. The antenna flex ribbon cable has become damaged.
2. The antenna flex ribbon cable has become detached from either end (it's held in with just a snap down flap).
3. The magetic switch isn't operating correctly and the main board thinks the antenna is down.
4. The front-end receiver has failed.
If your good at taking things apart (and the Nuvi is a little tricky to take apart), you might be able to verify some of the possibilities I mentioned above.
You might also try looking for a Nuvi for parts on eBay. Maybe you can find one that has a bad LCD screen and salvage the antenna from it.
Good luck!
- Jim
SOURCE: No map dat a available
who need to hook it up to the computer and download the maps back in to the Nuvi. Kinda reprograming if you will. the Garmins usually dont come with the usb cord to conect to the computer but you should be able to buy one. hook it up and download all the maps and you should be good to go. Oh by the way they have lots of cool fetures to download on the Garmin website cool cars and voices, although i prefere for mine not to talk. Good LUck
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