How to Test a Laptop Charger

Laptop computers are one of the many items that we use that depends on a rechargeable laptop batteries to keep it up and running. You can test your HP pavilion dv4 battery charger follow the below steps Be sure that the charger is plugged into a working outlet and getting power. if it will not run off the charger alone then the charger is faulty or no longer any good to power the HP pavilion dv5 battery. In some cases your laptop will run off the charger, but the charger will not be strong enough to charge the laptop.