Question about Garmin Nuvi 660 GPS Receiver

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Touch screen lost functionality

My touch screen lost functionality. It started out with a wandering calibration. That lasted several weeks but I could recalibrate. But now no function at all! I tried the master reset but same deal once powered up. Makes a great paper weight though!

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 7 Answers

SOURCE: touch screen won't calibrate on garmin 2720 gps

The touch screen is a 4 wire resistive type made up of several layers. A thin plastic layer, a micro thin metal layer, microdots for insulators, another ultra thin metal layer, and a final plastic layer. All of these layers amount to the thickness of a sheet of paper. This whole stack is bonded to a thin sheet of glass and placed over the actual TFT display.

It's amazing that you can see through all these layers and only lose 20% of the light. What's not so amazing is that those thin metal layers are prone to damage. I've seen several with no apparent damage that didn't work, and several with visible scratches or cuts that worked fine.

I usually start by installing (or reinstalling) v7.2 firmware and then attempt to recalibrate the screen, sometimes that works. Next I would try re-seating the 4 conductor touch screen pigtail in it's ZIF socket nestled between the big white wires on the display assembly. The last resort is to buy a broken 2600 or 2700 series Garmin and salvage the touch screen. You could send it to Garmin for a flat $250, but that makes no sense at all.

If you get another screen (Garmin won't sell you one), Here's how to replace it:
Remove the six screw holding the case together.
Split the cases and pull the patch antenna out of it's slot.
Remove the four silver screws holding the display assembly into the front bezel.
Unhook the small ribbon cable that goes to the infrared receiver under the red lens.
Pull the display assembly out of the front bezel. It won't come all the way out because of cables.
Use a razor to cut the plastic tape holding the touch screen bracket to the TFT display.
Unlatch the 4 conductor ribbon from the ZIF connector nestled between the 2 big white wires.
Use a penknife to unbend the metal tabs keeping the touch screen from coming loose. I usually just do the two by the IR receiver.

When you reassemble, don't get frustrated with the gaskets, they're tricky but it can be done. Tom

Posted on Jan 24, 2009

sharcnet
  • 2130 Answers

SOURCE: Nuvi 680 touch screen problems

If you keep holding the button down it will go past the pre-boot mode and you'll eventually come to the calibration screen. Please see this link for more info:

http://www.sharc.net/discus/messages/6/77.html?1236709210

Also see this link on how to het your touchscreen replaced:

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

- Jim

Posted on Jul 13, 2009

sharcnet
  • 2130 Answers

SOURCE: Garmin Nuvi 680 Touch Screen "touch" works intermittently

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.

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

- Jim

Posted on Nov 25, 2009

sharcnet
  • 2130 Answers

SOURCE: touch screen not functioning

Please see this link. Most likely uou have one of the newer SHARP touchscreens that is known to fail prematurely.

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

- Jim

Posted on Dec 15, 2009

  • 81 Answers

SOURCE: My nuvi1460 touch screen sensitivity

You should check if a screen protection film is still on. If so remove it.

Next is to calibrate your screen following Garmin procedure
Turn off device.
Press top left corner of device an hold.
Turn on while holding pressure, once device starts, release start, but still hold the pressure for 10 seconds until a screen is appearing with "press dot"

Posted on Sep 26, 2010

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1 Answer

My touch screen is not working properly?


Go into "settings", then "touch screen" options and recalibrate.

If the calibration is too far off, you may be able to "walk" it back by touching a point between the crosshairs and where you estimate the phone *thinks* you're touching.

Repeat several times and eventually you should be able to press directly on the crosshairs. You may want to consider using a thin (yet blunt) stylus to press perform the screen calibration for the last time to be sure you're right on the mark.

Jan 09, 2013 | LG KC910 Renoir Cell Phone

1 Answer

Radio stations


There is a radio option to recalibrate your touch screen. Please press the following three hard keys simultaneously RADIO/MEDIA, SEEK UP, NAV (AUDIO on REN). Once you begin to recalibrate the touch screen you must finish. Audio confirmation prompts are provided for each of the three points of calibration, one beep for the first, two for the second and three for the third. The calibration needs to be precise as possible and a PDA stylus would be recommended. The MyGIG radio requires the user to repress each calibration point to confirm the calibration process. A green crosshair indicates proper calibration.You must not start with the "+" but with the "+1", then goto "+2" and last to "+". Repeat this until all crosses are green and exit with pushing the menue or any other key. Done

Jul 20, 2012 | 2008 Dodge Grand Caravan

1 Answer

My garmin nuvi 660 touch screen dosen't work


To calibrate the touchscreen on a nuvi 300 or 600 series:
  1. Power the unit On.
  2. From the Where to? / View map screen, touch Settings (wrench icon).
  3. Touch Display.
  4. Touch Recalibrate.
  5. A new screen will display that says Press Dot.
  6. Touch the center of the dot.
  7. Keep touching the center of the dot as it moves around the screen.
  8. When Calibration Complete appears on the screen, please touch OK.
The touchscreen will now be recalibrated.

If your touchscreen is not responding to any touch and preventing you from recalibrating the touchscreen using the instructions above, please follow the steps below:
  1. Connect your nuvi to your computer with a compatible USB cable.
  2. Open the Garmin Nuvi drive located in MyComputer/Computer. (Note: Mac users can locate the Garmin Nuvi drive icon on the Desktop.)
  3. Open the Garmin folder.
  4. Locate and delete the GUPDATE.GCD file.1
  5. Safely disconnect your nuvi from your computer.
  6. Power the nuvi Off.
  7. Power the nuvi on by holding the power button.
  8. Continue holding the power button down for 1-2 minutes until the screen calibration option displays.
  9. Touch the center of the dot as it moves around the screen.
  10. When Calibration Complete appears on the screen, please touch OK.

The touchscreen will now be recalibrated and should respond properly.

Oct 24, 2010 | Garmin Nuvi 660 GPS Receiver

1 Answer

I have a garmin nuvi 660. the touch screen isn't working


To calibrate the touchscreen on a nuvi 300 or 600 series:
  1. Power the unit On.
  2. From the Where to? / View map screen, touch Settings (wrench icon).
  3. Touch Display.
  4. Touch Recalibrate.
  5. A new screen will display that says Press Dot.
  6. Touch the center of the dot.
  7. Keep touching the center of the dot as it moves around the screen.
  8. When Calibration Complete appears on the screen, please touch OK.
The touchscreen will now be recalibrated.

If your touchscreen is not responding to any touch and preventing you from recalibrating the touchscreen using the instructions above, please follow the steps below:
  1. Connect your nuvi to your computer with a compatible USB cable.
  2. Open the Garmin Nuvi drive located in MyComputer/Computer. (Note: Mac users can locate the Garmin Nuvi drive icon on the Desktop.)
  3. Open the Garmin folder.
  4. Locate and delete the GUPDATE.GCD file.1
  5. Safely disconnect your nuvi from your computer.
  6. Power the nuvi Off.
  7. Power the nuvi on by holding the power button.
  8. Continue holding the power button down for 1-2 minutes until the screen calibration option displays.
  9. Touch the center of the dot as it moves around the screen.
  10. When Calibration Complete appears on the screen, please touch OK.

The touchscreen will now be recalibrated and should respond properly.

Oct 24, 2010 | Garmin nuvi 650 GPS Receiver

1 Answer

My nuvi1460 touch screen sensitivity and accuracy is poor. I touch one button and the function of another button is activated. How do I recalibrate the screen accuracy to touch, please?


You should check if a screen protection film is still on. If so remove it.

Next is to calibrate your screen following Garmin procedure
Turn off device.
Press top left corner of device an hold.
Turn on while holding pressure, once device starts, release start, but still hold the pressure for 10 seconds until a screen is appearing with "press dot"

Sep 26, 2010 | Garmin GPS

1 Answer

Lanier LD435c touch screen is not registering touch in right plac


Press the yellow clear modes button then press
1 9 9 3 and the red clear/stop botton 5 times
this will open up the touch screen calibration menu
select calibrate touch screen. follow on screen directions.
Good Luck

Apr 08, 2010 | Office Equipment & Supplies

1 Answer

My touchscreen lost it's calibration and I can't recalibrate it


If the Touch Sceen is not responding properly, calibrate the touch screen.. Turn the Nuvi off then back on Slide Power key to the right (lock) Hold your finger on the secrren for 30 seconds until the calibration screen appears Follow the on-screen instructions

Jan 20, 2010 | Garmin Nuvi 660 GPS Receiver

1 Answer

Touch screen touchiness


Yes! I have an iWay 500C and all of a sudden, it started having serious calibration issues. I try to press a button on it and it thinks I'm pressing something about 2 inches below where I really am. I can't even get to the option to re-calibrate it when it does this, since the recalibration menu option is near the top of the display! I still have to experiment more, but the last time it did this, I think I had success by powering the unit on, waiting for it to finish getting a "fix" on the location (so the processor in it wasn't so busy), and then drawing a few big circles around the display with my finger. After that, it seemed to "snap into calibration" again.

Jul 27, 2007 | Lowrance Iway 500c GPS Receiver

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