Super User is a question and answer site for computer enthusiasts and power users. It's 100% free, no registration required.

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I got Toshiba Laptop, The voltage of Charger being changed when Plugin the Power, but When I checked the charger without plugin it shows correct Dc voltage and current by Digital Multimeter. Please advice.


share|improve this question
What are the two voltage reading? – Moab Feb 19 '12 at 18:11

Power supplies can have a voltage drop when under load. Of course, a large voltage drop can mean that the charger is underrated or defective; try another charger.

share|improve this answer
Its being changed contineously, such as 1.5, 1.2 1.8 etc – Syed Arif Ali Feb 29 '12 at 19:29

Your Answer


By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.