Brand new Garmin Edge 130
Works ok synced to computer and plugged in.
Whenever unplugged the screen fades and it cannot be reactivated until plugged back into a power supply.
If turned off even on power supply - you cannot turn it back on via the power button only by unplugging and plugging in again.
Software is up to date.
Power button works in that a single push alters screen brightness ok.
Is it a battery or software issue?
