Why is my phone charging through pc/laptop only?

[VaraPrasad18]

Phone charging through pc/laptop only....

Yesterday night my Lumia 720 stopped charging and i finally discovered that my phone is only charging through my laptop's usb connection and not form wall charger.
i am using original nokia charger

 

[worldspy99]

Re: Phone charging through pc/laptop only....

http://forums.windowscentral.com/ask-question/379443-phone-charging-through-pc-laptop-only.html