Macbook Pro 17" 2011 - no power

[Eleways]

Hi

I've a macbook pro 17" that work only with not original power supply. If use an original power supply don't work and the green led blink just one time.
With a third part power suppy, it work fine, charge the battery the power supply led become orange after green.

I've tried many original power supply but no one works. I've changed magsafe without sucess.

Any ideas?

Many thanks

[tsai2018]

Re: Macbook Pro 17" 2011 - no power

battery ok？