Hi, I am technical service provider for '''Garmin map update''', Garmin Express, Garmin Connect, and Garmin Nuvi. I have 10+ years experience on hand for solving all technical issues.
"Why won't device turn on?"に関する回答There are Some Common problems with solutions: (1) Destroy the Garmin USB drivers Again download USB driver from trusted place (1) Not compatible with .NET Framework If, you are using incompatible .NET framework then immediately update it with Framework. (1) Make some mistakes while installing map on Garmin Download Garmin Map Update from reliable place (1) Hardware failures Make sure, SD card set in proper place or not loose, and device batteries and motherboard are ok. Now conclusion that having hardware problems, immediately contact to manufacturer or retailer for replacement.
"HELP WITH Garmin edge 520"に関する回答Garmin is an MNC company , and providing excellent services to their customers, definitely contact Garmin support for repairing your device., because other repair stations are not reliable.