not powering on

Sorry for the long story, but for proper answers You'll need all this information ( i believe so ) Few days ago i was using my laptop on my TV connected via HDMI. I don't remember what i've done, but i thing the pc was lagging for a reason thwhich i don't understand and decided to shut it down...

My laptop (a 2yr old hp laptop, not to sure on the model) has recently acquired a crack on the top right corner (as seen in the picture) and now only powers on at a certain angle. I'm pretty sure all other components are working properly, and when it does power up everything works however it is...