Troubleshooting Laptop Power Failure

Note that these steps correspond with decision points on the flowchart and are indexed by the diamond symbols. The text below cannot be read sequentially.

Laptop Power LED On?

Most Laptop have a series of LED’s on the front Edge that offer a basic status report. Normally, there are separate LEDs that will light when the when the laptop power cord is plugged in, when the battery is charging, and when the laptop is powered on. In addition, there may me LEDs for hard drive and wireless activity and for DVD or CD action.

Problem with laptop power cord, jack, charging or AC/DC adapter

Warning! Before Disassembling Laptop always remove battery. See the expanded text below the flowcharts for explanation of each step.

Because laptops are designed to be portable and function on battery power, they are engineered to run on the DC (Direct Current) power that batteries provide. But all of the power distribution networks in the modern world utilize AC (Alternating Current) because it's a more efficient and economical way to move electricity long distances.This means that laptops are shipped with an AC adapter that plugs into a regular outlet and converts that AC power into the proper DC voltage for the laptop.