Originally posted by Maaij
Must I checked is when the computer s on??
The red is to check the voltage right?? and where must I put the black of the multimeter??

I am a noob

The computer must be on, yes. Then take the red lead from the multimeter and put it on the pin, and the black lead on any ground in your computer And you should put your multimeter on V (V for voltage) and on a scale of 20. If you set to 2 it won't work cus the voltage is over 2.