HP Pavillion dv6433cl laptop won't power up. LEDs don't light. Display is black. Only light on is by power connector AC is plugged into. And if battery is in, the charging light is on. I have done hard eset as suggested. I have tried powering up with and without the battery. I have no alternate AC adapter. I suspect based on troubleshooting info, something popped inside. There was a loud cracking noise when it failed on my grandson's lap.
How do I open the laptop (way out of warranty) to inspect, possibly locate a failed component, possibly replace it?
Thanks,
Paul99