Question about Garmin Nuvi 680 GPS Receiver
My Nuvi 680 will boot and load up correctly and the display works fine. My problem is that the touch function works sometimes but not all the time. If the screen boots and the touch works, it will always continue working until the unit is powered off.
However, sometimes the touch function will not work at all. Sometimes the touch function will start to work after a period of time with the unit on. Sometimes this period of time is just a matter of minutes, sometimes the period of time is hours. Sometimes the touch function will never work.
The 680 seems to go through cycles with the working/non-working touch function. Meaning that the touch function might work consistantly for several days, and then not work at all for several days.
There is no rhyme or reason to explain the working/non-working cycles. The unit stays in the windshield mount 100% of the time. It isn't moved at all - so I don't think it is related to moving, dropping, bad wiring, etc. It's just that sometimes the touch function works and sometimes it doesn't.
It seems that this is a problem seen amoung other 680 users.
Recalibration has nothing to do with repairing this problem. If the touchscreen is non-responsive, how are you going to recalibrate it when it doesn't recognize the key presses?
The problem is caused by a defective touchscreen. SHARP substitued a different touchscreen into the 6xx series that fails even when the glass isn't damaged. The problem is caused by a defect in the manufacturing process where the touchscreen connections becomes detached from the tail that plugs into the board.
The touchscreen connections between the screen and the tail are made from conductive ink that can fracture, most likely caused when pressing on the screen over time.
These defective screens can be identified by a white tail cap at the end of the tail, whereas the original touchscreens have a maroon tail cap. The original touchscreens will only fail if the glass has been broken.
I only use the original touchscreens for all of my repairs.
Posted on Nov 25, 2009
Before contacting Garmin Support, try a recalibration of the screen:
To Recalibrate the Touchscreen:
If that doesn't work, it'll likely require servicing at Garmin. Contact Garmin Support for additional troubleshooting help and / or arranging for return for service below:
North America - Consumer Products (for all Garmin products except Apollo aircraft)
Monday - Thursday: 8 AM - 6 PM, Friday 8 AM - 5 PM Central Time (closed holidays)
US Toll Free: 1-800-800-1020
E-mail Product Support
Europe - Consumer Products (for all Garmin products except Apollo Databases)
Austria For all Garmin products except Aviation.
Monday – Thursday: 9:00 AM – 17:00 PM (GMT/UTC +2)
Phone: 43 (0) 3133 3181 0
Belgium For all Garmin products except Aviation.
Friday: 9:00 AM – 15:00 PM (GMT/UTC +2)
Phone: 00 32 2672 5254
Denmark For all Garmin products except Aviation.
Monday – Friday: 9:00 AM – 17:00 PM Central European Time (GMT/UTC +1)
Phone: 00 45 4810 5050
Finland For all Garmin products except Aviation.
Monday – Friday: 8:30 AM – 16:00 PM (GMT/UTC +3)
Phone: 00 358 19 311 001
France For all Garmin products except Aviation.
Monday – Thursday: 9:00 AM – 18:00 PM Central European Time (GMT/UTC +1)
Friday: 9:00 AM – 17:00 PM Central European Time (GMT/UTC +1)
Phone: 00 33 1 5517 81 89
Germany For all Garmin products except Aviation.
Monday – Friday: 8:30 AM – 17:00 PM Central European Time (UTC/GMT +1)
Phone: 00 49 898 58364 880
Italy For all Garmin products except Aviation.
Monday – Thursday: 9:00 AM – 13:00 PM / 14:00 PM – 17:30 PM (GMT/UTC +2)
Friday: 9:00 AM – 13:00 PM / 14:00 PM – 16:30 PM (GMT/UTC +2)
Phone: 00 39 02 3669 9699
Portugal For all Garmin products except Aviation.
Monday – Friday: 09:00 AM – 12:30 PM / 14:00 PM – 18:00 PM (GMT/UTC or GMT/UTC +1 depending on city)
Phone: 00 35 1214 447 460
Spain For all Garmin products except Aviation.
Monday – Friday: 9:00 AM – 13:30 p.m / 14:30 PM - 18:00 PM Central European Time (GMT/UTC +1)
Phone: 00 34 934 972 373
Sweden For all Garmin products except Aviation.
Monday – Friday: 9:00 AM – 17:00 PM (GMT/UTC +2)
Phone: 00 46 7744 52020
United Kingdom For all of United Kingdom users and customers in unlisted countries in Europe, Africa and Middle East
Monday – Friday: 8:30 AM – 17:30 PM Western European Time (GMT/UTC)
Phone: 00 44 808 238 0000
Posted on Oct 05, 2009
a 6ya Technician can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Technician (only for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
SOURCE: unlocking a garmin nuvi 680
Here's your options:
1. Enter the correct PIN.
2. Go to the secure location where the PIN was set and it won't ask you for a PIN.
3. Send the unit back to Garmin to be unlocked.
Sorry but there is no master reset. The PIN is written into memory that can not be erased. I have had success in unlocking Nuvi's but I will only do it for people who have a valid purchase receipt from a major retail chain and if they can provide me with their Garmin registration info so I can verify that they are the rightful owner.
There are too many of these units out there that are stolen and the culprits are looking for a way to bypass the PIN. This is why Garmin added this feature to their GPS's.
Posted on Sep 11, 2008
When you first programmed the GPS you have the opportunity to select a safe location,
if you selected the safe location, go back to that location, and the lock will not be on, it is for the reason of forgetting it, but it will only work in that location ~ ( ie: your old driveway )
If you cannot do this,
it's a Garmin job to unlock it,
There is no other way to unlock it.
Posted on May 19, 2009
here is a link to change the battery whick is also how to remove the screws to open unit....
Posted on Dec 07, 2010
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