While it's often best to call an electrician if you suspect you have a dangerous electrical issue, you can also safely diagnose many of those problems yourself with a multimeter, which is why it's ...

Today I got a multimeter (nothing fancy, precision is +/-0.5% for DC current to tweak my lines (Antec Truecontrol).<BR><BR>Findings:<BR>- motherboard measurments are generally unreliable, for instance ...