Charger Cable color

amrish.chauhan

Prominent
Oct 15, 2017
3
0
510
Hello, I am trying to repair broken charging adapter for laptop, I found 3 different colors on both charger, which one is +ve, -ve and ground?
Old charger has Blue, Black, White but new charger has Green, Gray, White.
Which one to connect to which?
 

amrish.chauhan

Prominent
Oct 15, 2017
3
0
510
Can some one be please specific, in one charger the 3 colors are White, Blue, Black, now in the New charger, White, Grey, Green, so which one to connect to which one?
Blue,Black,White goes to ----> ? Grey, Green, White?
can you please help and be specific which exactly I connect to which one?