Using the same wire pushed into the center of the connector, I tested for voltage. It should measure close to the voltage labeled on the power brick. ...
I wanted to change the power cord for my laptop from a straight connector, to a 90 degree connector. Fear of snapping the straight connector off was my motivation for this project.
Step 1: Find a compatable connector
My HP Compaq 6720s had a strange power connector that has a spring in the middle to connect the pin. I found the correct one at Best Buy. Its made by Jensen. The power adapter itself will not be used. We are using just the supplied tip.