My dv7 has no power. I disassembled it and found an electonic component broken. It has PJ906 IV on it. I cannot find another information on this component. Can anyone help to tell me what is the component and where I can buy it?

 

follow these very simple steps to fix your problem

1-remove all connectors from the pcb
2-carefully remove the complete faulty panel from your unit
3-go outside and locate the nearest dustbin and carefully open the lid
4-drop the faulty board inside and close lid
5- BUY A REPLACEMENT BOARD