Blankscreen

I have a HP pavilion g6 laptop and my 4 year old sister pressed something on keyboard and suddenly screen went off with a striped screen. I tried turning it on and the lights on power button and volume button shows up but the screen is blank. So I removed the battery and held power button for...

Hi all , really hope you can help me out here , im stumped lol had to replace the lower housing on my nephews lenovo g500 few days ago , but when ive turned the machine back on after re-assembly its total fubar symptons: - power and battery light come on - screen stays blank - HDD and fan...

my pc is an old hp notebook pc and i spilled milk on it ...i quickly cleaned d surface before turning it on .....it came on but the screen became blank or idk just died...it didnt show images animore..well i cleaned it the next day and still it woulnt improve.....its coming on alright but the...