Yes, thanks for your patience.
Actually the SMC reset covers Macbooks as well, I accidentally typed Pro after Macbook, my error.
In regards XXXXX XXXXX issue at hand, there are unfortunately not very many steps to try beyond the SMC Reset, if that does not work. You can check your MagSafe port, making sure it is clear of debris and that the pins are not bent on the adaptor.
Additionally, if you have recently added any RAM to your Macbook, you can try going back in and remove, then reseat the memory to see if this helps.
Consequently, however, if the SMC reset process that you tried does not work and because and SMC Reset is designed to reset the logic board and the power management functions for your Macbook, then you are going to need to take your portable to your nearby Apple Retail Store or any local Apple Service Provider in your area. I have provided the store locator links for both.Apple Retail Store
(Genius Bar)Apple Authorized Service Providers
Again, I apologize for the delay, but I did look extensively in my Mac technical resources and specifications on this Macbook power issue and each avenue I reviewed led me right to this recommendation of you taking your portable in for service.
If you have more questions regarding this hardware issue with your Macbook,
please feel free to reply back to this post. Thanks