Question : Presario CQ50-215nr

I have a Compaq Presario CQ50-215nr laptop that will not power on.
I have replaced the AC Power Adapter (ordered from HP.com) and replaced the DC Power Adapter on the Motherboard.

What else should I check?

Thanks,

Answer : Presario CQ50-215nr

Have you associated the subnet (within AD Sites and Services) with the desired site?