Question about Garmin nuvi 780 GPS

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Screen is black

My Garmin Nuvi 780 had been working fine for a week, and just yesterday when taken off the window mount while still on the screen went black. When try to turn it back on the screen remains black, it will make noises if I touch the screen when turned on. Help! is there anything I can do? I'm afraid to do anything, I don't want to hurt it..

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  • Anonymous Jan 05, 2009

    same problem but, mine doesnt make any any sounds

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Most likely you will need to do a re-set. Just slide the power switch to the left for 8 seconds. It should then re-boot. It this doesn't work, you've got more serious problems.

Posted on Jan 10, 2009

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My garmin nuvi 750's touch screen doesn't respond when touched. The unit powers on ok, but I can't use it...


There may be something wrong with the screen. I would suggest either buying a new screen and replacing it yourself or having a professional install a new screen.

DIY

http://cgi.ebay.com/GARMIN-NUVI-Nuvi-750-780-LCD-Screen-Display-Digitizer-/320549764373?pt=PDA_Accessories&hash=item4aa2413d15

Professional

http://www.fixmygarmin.com/garminrepair_details.php?pid=678

It almost makes more sense to simply purchase a new model.

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Garmin Nuvi 650 Touch Screen trouble...


Yes, this is a common problem with a new style screen being used by SHARP. Please see this link:


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


- Jim

Dec 07, 2009 | Garmin GPS Devices

1 Answer

My garmin nuvi 780 is asking for a pin code it was working fine yesterday any ideas


You must have installed a PIN code when you first set it up. If you can't remember, then take it back to the security location and it will automatically unlock, and you can reset the PIN. If you purchased this privately rather than from a dealer, there is a chance it is stolen. The PIN is the security feature of Garmin GPSes.

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I have no sound on my garmin nuvi 780. i've hardly used it...


This same thing happened on my nuvi 780 and I just had to go into settings and re-select English as the language and it started working just fine.

Nov 13, 2009 | Garmin nuvi 780 GPS

1 Answer

My Nuvi 200 screen went black. I've tried turning


I can help you fix your Garmin Nuvi 200W.

There are three steps to take to get your Nuvi running like new:

  1. Back up your Favorites.
  2. Perform a Hard Reset.
  3. Download and then run Garmin WebUpdater to replace its firmware / system software.

I hope that helps.

___________________
Nuvi 200 series manuals available here.

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Garmani nuvi 780 freezes on "updating bluetooth firmware 0%" when turned on


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Feb 20, 2009 | Garmin nuvi 780 GPS

1 Answer

I have a Garmin Nuvi 660 and the suction cup fell off the inside of the windshield and broke the screen on the GPS. I believe it is only the touch screen portion because the picture looks and acts fine. ...


If the unit is under warranty, then send it back to the manufacturer. I had one customer that had the same thing happen and the manufacture offered to replace her unit free of charge.

If the unit is out of warranty, the manufacturer will not sell you a replacement screen. You can find them on eBay, but unless you know how to take the Nuvi apart, you face damaging the unit further.

If the touch screen is bad, the Nuvi will not recognize any presses on the screen. Having worked on many of these units, there is really nothing to go bad on a touch screen unless its physically damaged or has become disconnected from being dropped. If it appears that the glass is cracked, then it is the LCD display that is bad. The touch screen is a clear film layer that lays over the LCD display.

I would strongly suggest that you purchase a Garmin friction mount and no longer use the window mount. With a friction mount, your Nuvi will not fall and the friction mount is legal in all 50 states, whereas a window mount may not be.

- Jim

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