Which of these would be the best way to determine if a laptop power adapter is providing the correct power output?
A) Connect to a laptop and look for the charging indicator light
B) Test with a multimeter
C) Connect to a power source and check for heating
D) Connect to a laptop and check Windows Device Manager
E) Now what will I use to power my USB desk fan?
The answer: B) Test with a multimeter
One of the best ways to confirm power supply input and output values is to test the leads with a multimeter.
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Want to know more? Watch “Troubleshooting Laptop Issues.”The small form factor and mobility of a laptop creates some unique technical support requirements. In this video, you’ll learn about troubleshooting LCD video, external monitor issues, input problems, power issues, and challenges with wireless antennas in laptop computers. |
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