
Posts: 470
Location: Blaine, MN | Anyone have one of these cards ever go completely blank? I was out last and my sonar/GPS screen just locked up and stated that an error had occurred in my MMC chip. So I did a reset and upon reboot the chip was no longer being read by my 520c. So i went up to the bow with the chip to my other GPS unit to try my luck there and no dice, same thing... now just to be sure it was the chip, I got home and threw it into my handheld H2O and still no contours, and on all 3 units the chip icon in the lower right doesn't appear which to me means the units arent reading the chip... I called Lakemaster and they tried to sell me a 2011 but other than that, not much they could do... anyone have a thought or idea, any input would be greatly appreciated. Thanks
Geno
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