Try charging it when the laptop is off. Not sleep or hibernate but off. If it will charge then, but not when on, then the charger is probably the issue.
If it still won't charge then, it is more likely the battery.
Try charging it when the laptop is off. Not sleep or hibernate but off. If it will charge then, but not when on, then the charger is probably the issue.
If it still won't charge then, it is more likely the battery.