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Question about Garmin StreetPilot 2720 GPS Receiver

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Touch screen won't calibrate on garmin 2720 gps

My touch screen will not calibrate on my garmin 2720. You can not go back once you have gone into a dircetion mode.

Posted by Anonymous on

  • 3 more comments 
  • Anonymous Jun 13, 2008

    I have the same issue

  • bophus Sep 06, 2008

    Touchscreen simply quit responding to touch. Manual that says go to "display" to fix is incorrect. There is no "display" under "settings."

    What up with that?

  • Anonymous Sep 23, 2008

    I just recently aquired a 2720 and also am unable to successfully calibrate the touch screen.

  • sjhpe Nov 09, 2008

    Same problem as described above. Cannot recalibrate screen, even after following the procedure described in owners manual. Very frustrating!

  • Anonymous Jan 17, 2009

    I updated the map to the current version and a day later the touch screen asked for recalibration. It's now at the point where the screen will accept the first couple of taps, then goes into recalibration mode - and stays there. Pulling the power lets me tap again, but two or three taps is all I get. Driving along I hear click after click as the unit processes non-existent taps.


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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

  • 1 more comment 
  • tom1beck Jun 12, 2011

    This suggestion was right on point. I took the back off, took out the 4 silver screws, lifted up the screen, took off the black tape and saw the ribbon connector from the screen into the connector. I lifted up the plastic rim of the connector, lifted the ribbon connector slightly, and put it back in, pushed the plastic rim back down, and reassembled. works great now. THANK YOU TOM 2720

  • Anonymous Jun 13, 2011

    You're welcome, let's hope it keeps working. Tom2720

  • Jeff Roussell
    Jeff Roussell Jun 07, 2020

    Have a 2670 touch screen not working. Had my first 2620 but basemap not working, screen was. Swapped out screens just as easy as described. Works fantastic.
    Thank you so much for the info.
    Have had other units, but love the 2720 with the remote control.



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Call Garmin Tech support,, I had same problem  and it could not be fixed at home.......

Posted on Oct 11, 2007

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Garmin 2720 touch the (s) and the (T) responds

You need to recalibrate the touchscreen. Try this: Turn off the Nuvi. Place your finger on the upper left-hand corner of the screen and then push down on the power button to turn the unit on. Release the power button when the Garmin logo appears. Continue to press on the upper left-hand corner of the screen until you see the calibration screen.

Go through the entire procedure of pressing each dot as it appears on the screen.

Once completed the Nuvi will display Calibration Complete This will recalibrate your touchscreen to the LCD display.

If this doesn't resolves your problem. then your touchscreen may be defective.

Please see this page for additional information:

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nuvis do not have a calibration screens or settings, to fix your issue try updating the units firmware with Garmins WebUpdater software this could fix your issue, it can be obtained from this link

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The problem with the gps device is a minor one. First you ensure it is properly charged, then you reset it by holding down the power button for about 15 seconds, then it will restart and you will be able to touch the screen once again. If that does not work, then you need to calibrate the screen, take note that calibrating the screen does not just work the moment you try it, you need to try it repeatedly till you get it right. This is how to calibrate your nuvi:
  1. Turn off your nuvi,
  2. Press your finger on the upper left corner of the touch screen,
  3. While holding your finger on the touch screen for about 30 seconds until the calibration screen comes appears (white screen with touch dot),
  4. Follow the on screen instructions.
It is an easy fix. The solution above will help you out on that. Another solution is for you to remove the battery and fix it in back. That should also help.

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If the Touch Screen is not working properly, calibrate the touch screen

Turn unit off then back on.

Slide Power Key to right ( lock )

Hold finger on sceen for 30 seconds until the calibration screen appears

Follow on screen instructions

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If the touch screen is not working properly, calibrate the touch screen.

Turn Nuvi off and then back on.

Slide power key to the right (lock). Hold your finger on the screen for about 30 seconds until the calibration screen appears.

Follow the directions on screen instructions

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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

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do not buy any this product garmin does not warranty or stand by its products, if have this fixed it will cost 300 but if you buy a new gps it will cost 150.00 can you understand this ?

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try recalibrating your touch screen. I had to do this on an old 2610
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