I like taking the kids to tour upcountry. We purchased a GARMIN GPS to reduce stray. I like it because it can Map update any lifetime and cheap. But yesterday have a problem white screen with a message that touch dot.
I try to calibrate touch screen.
I started to turn on the GPS.
Then, press and hold the left screen.
Next, show white screen and display “touch dot” we press dot about 10 times.
Then it shown “Calibration complete” Press “OK” now. Start to use them!