When i have white, black, and blue wire in the power cord of the laptop

[elcapojohnny]

What each color mean of wires color code black, blue, white. In the laptop power cord.

 

[richiestang_78]

https/www.allaboutcircuits.com/textbook/reference/chpt-2/wiring-color-codes/

 

[tikaer]

What each color mean of wires color code black, blue, white. In the laptop power cord.

 

[nxnazheekkal]

blue-center pin
black-ground
white-negative

 

[seandouglas11]

white is neg and black is grnd ? white common? because when i connect blk and blue i get 13v and blk and white i get 19.3v blue and white 0000?