The flickering could be caused by a torn cable, damaged connector or even a broken LCD driver board. You did not tell us if it worked the morning after with an external monitor. Time to take it apart and check the cables, connectors etc. Use something like [http://h10032.www1.hp.com/ctg/Manual/c06941101.pdf|this manual] to work on your laptop. Let us know what you find. You can always post images of suspicious parts/ connections etc. with your Question. That way we can see hat you see and hopefully help you further. [guide|21499]