HP Pavilion dv6000 black screen

Hellow, 

i have a HP Pavilion dv6000 that runs on windows 8.1 . 

Four days back i woke up morning n started using it while at home . i closed it and left for work . on turning on, i did not get to display anything . the only thing i heard was a sound produced and a black screen . i left it for two days without using but still when i get to turn it on same problem comes. ive tried the 30 min trick but it still doesnt work . 

please help , its my new laptop