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Thanks for your response. The Lexan screen sounds like something I can do. Any advice on how to open up the Garmin GPSmap 76Cx ? I see 5 screws in the back and another 3 under the battery cover.
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I think I just solved this! (I had the same problem.)
Hooray for google! I found the answer here: http://www.gpsreview.net/forums/viewtopic.php?t=4999
"72 Troubleshooting - Screen: If the touch screen is not responding to your taps properly, calibrate the screen. Turn the Nuvi off. Then, slide and hold the Power button to the left for about 30 seconds."
After you slide, and hold, the power switch to the left (ON position) for 20-30 seconds, the next screen that comes up should be the calibration screen, telling you to press the dots on the crosshairs.
I recommend using your finger to press the dots, just as you would in your vehicle. I thought I could be more precise using a stylus when I first got the device, but apparently that is what caused the problem in the first place. Live & Learn!
FWIW -- I have the Garmin Nuvi 200 (not 200W). I don't know why this problem is listed under 76Cx.
If you're handy with small tools, you can make a new screen using Lexan, a Dremel tool to shape it, and then glue it into place. You'll have to dismantle the unit first to get the broken screen out.
Either that, or send it in to Garmin for replacement.
How to open this GPS??
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