Hummingbird 580 not turning on

[Fishin' Magician]

Originally Posted by YakDout

Brightness all the way down? Happened to me before.


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Yep, happened to me as well with my Lowrance unit. I had a completely black screen and thought that it was dead. Turned out that it has a brightness setting that I wasn't aware of and somehow I had accidentally turned it all the way down. Once I figure that out, it was a simple matter to get it up and running again. I felt pretty stupid afterwards as I was ready to throw the unit away.