Power Adapter problem

[agis]

Samsung R40 Notebook Power Adapter problem. NO power or light but work fine on Battery. I have change 3 times. It only works 2-3 months then same problem again. Please help.

 

[frozenlead]

If you've changed the adapter 3 times, either the entire series is defective, something's wrong with your notebook, or the power you're giving the adapter is dirty. Do you have the adapter on a surge protector?

Have you tried finding a 3rd party adapter?