It cann’t deny that your laptop ac adapter may be one of the most important piece of equipment you need. Without it, you will not be able to use the your computer above two hours. AC adapters run your computer and recharge the battery. Unfortunately, they cann’t work forever and are quite expensive to replace.And if your AC power adapter is not working, how to face that ?
Eliminate the frequently problems

If your AC adapter does not work, it’s best to eliminate the most obvious reasons before really starting to troubleshoot.Make sure that the outlet is live by plugging in another device such as a lamp. Check that the plug is secure in the wall and that the input is securely in the jack on your computer’s end. You should also check that the prongs on the plug end are not broken off inside the plastic and have come loose, severing the current connection. Check the cord for fraying and damage.

If Your Battery cann’t Charge

If your battery will not charge, and you have eliminated the obvious causes of your adapter, you may want to check your battery. Turn off your computer, remove the battery and check the connector to ensure they are free of damage and debris. Replace the battery, Confirm that it making sure it fits properly and locks into place, and then restart your computer.
Check the Power Brick

If you have already confirmed that the outlet is working, disconnect the HP power ac adapter from the computer and plug it directly into the wall, bypassing any power strips or surge protectors. Your brick, which is in your spinal cord in the black box, should have its LED lights, when the power is supplied and it should turn green. If you do not have a LED light, sensation of heat and vibration, which can tell you, if it receives the current brick.

How to care your AC Adapter

The main reason is the decline in the failure of AC adapters or disharmony of damage to its power brick, cords from pets or pests, destruction of spinal cord injury in liquidation, or repeated bending it. You can treat your Ac adapter and laptop keyboard gently to extend its life , never pulling the cord to remove the plug from the wall and never pinching the cord in drawers, under furniture legs or in doors. Don’t uncover your laptop AC adapter and keep it in a cool place.