Apr 26 2019.
Color code white wire black wire blue wire laptop charger.
So i connected the white wire to the shilding wire and red wire to the core wire of the old 90w adapter s plug.
Old wire has blue black white new wire has green gray white.
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.
In another forum someone identified the sensor wire and left it out in the connection.
There are three wires in it black white and blue.
Question how to check the laptop charger.
White black blue for communication validate adapter and battery power it is best you use a multimeter to check.
Dec 25 2012 3 090 104 24 440 470.
I just want to put a new electric plug on the end.
The first adapter the one that broke has three wires black white and red going out which then connect to the laptop charger pin.
I assume the hot wire is the yellow with the green stripe.
Normal electricians use black red and white for wiring.
While powered the charger found red wire 19vdc white wire 0vdc black wire in the center pin for feedback to the board.
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.
What are the and ground.
Why is this plug different.
The second adapter however has three wires going out.
How do i connect the wires.
The bad adapter has red white and black the other has blue white and black.
I have an hp laptop adapter but the end going into the laptop is broken.
I have read that an extra wire is used as some kind of a sensor.
Mar 4 2016 the usb wire color code of four wires inside a usb is just very simple.
The red wire is marked in the adapter as v.
Which one to connect where.