Furuno 1715 LCD Radar System GPS Receiver "not switch" Questions

...not switch on. Battery is charged but still not switching on? Used unit, switched it off , 4 hours latter tried to turn it on again but does not switch on. Battery is charged but still not switching ...

not switch on anymore, that is when i switched of myself after seing that the batery was deplited.i don't where to take it to? Plug it in to your car charger or usb cord and computer it should come on

switch and bypass the internal.  I can solder and not afraid to try since this unit is out of warranty and is not functional as is with powering on/off and screen flashing randomly.    

...screen cannot be switched on Could be battery failure check power supply make sure connector not damaged wire known to break so no charge to unit ---battery failure -not charging --or switch ...

...in the car. I have the same problem and believe the switch is bad. I took the unit apart and discovered the slide switch was not accessing the switch. Could not fix the problem. Got to buy new