Posted 28 April 2009 - 05:26 PM
Take the Multimeter and it to 24VDC touch the black probe to the outside of the jack that plugs into the laptop and the red probe to the inside of the plug. ( NOTE: NOT THE PLUG THAT GOES INTO THE WALL OUTLET TESTING THIS COULD CAUSE SERIOUS SHOCK) Observe the reading on the Meter and check it against the rated output of the brick (it should be listed on it). Next test the battery to see if it has any charge on it. I am not sure where on the battery to test it should have metal tabs on it one will be marked - one will be marked +. The red probe goes to the + the black probe goes to the -.
Certified CompTia Network +, A +