Color Code White Wire Black Wire Blue Wire Laptop Charger

I have read that an extra wire is used as some kind of a sensor.

Color code white wire black wire blue wire laptop charger.

Why is this plug different. I have an hp laptop adapter but the end going into the laptop is broken. Apr 26 2019. I am thinking these are live neutral and ground respectively.

White black blue for communication validate adapter and battery power it is best you use a multimeter to check. Mar 4 2016 the usb wire color code of four wires inside a usb is just very simple. Normal electricians use black red and white for wiring. Question how to check the laptop charger.

I assume the hot wire is the yellow with the green stripe. So i connected the white wire to the shilding wire and red wire to the core wire of the old 90w adapter s plug. Dec 25 2012 3 090 104 24 440 470. The problem with your answer is that i have bought a new computer i only need the charger for a short time to get the info off the old computer.

While powered the charger found red wire 19vdc white wire 0vdc black wire in the center pin for feedback to the board. The second adapter however has three wires going out. The red wire is marked in the adapter as v. Which one to connect where.

If you have the color red black white and green this post will teach you the corresponding color code for that. How do i connect the wires. There are three wires in it black white and blue. What are the and ground.

After connecting the wires make sure to test the voltage on the plug before inserting to the laptop or you might risk damaging your laptop. The one on mine has blue white and black and they are. The bad adapter has red white and black the other has blue white and black. Old wire has blue black white new wire has green gray white.