
Originally Posted by
Swapnil
Look for a blown fuse or a tripped circuit breaker for the wall socket. It might be in the socket or in a separate breaker board somewhere in your house. If you can't find one, you'll obviously need an electrician.
And for the power brick, there is 50/50 chance that it is still ok. Only way to test it is to use the step down converter you are planning to get and see if it works. But if I were in your place I wouldn't plug the brick into the Xbox 360 without testing. I'd first get a multi-meter and check the output voltage of the brick first.