Question about Garmin StreetPilot 2720 GPS Receiver
I'll start with a comment I made on another post:
The touch screen is 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 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. Actually the real last resort is to have Garmin fix it for a flat $250. Good luck.
Posted on Jan 24, 2009
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Posted on Mar 15, 2009
SOURCE: Touchscreen stopped working
Some where else in this site it said to hold the menu and map button while powering it on. I did that and it fixed my touchscreen problem, however I did loose all data, but I have that saved on my PC.
Posted on Jun 12, 2008
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Posted on Jan 02, 2017
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