HP TX1000 - Black Screen.

Hi all,
I bought this year old tx1000 from a friend just few days ago. He was leaving canada so got from him a little cheap. I enjoyed using it till evening and when I tried to switch it on in the night, it just doesn't do anything except black screen. It uses Windows Vista.
It seems like when I press the power button, it reads from CD, lits all lights, that's how computers do usually while booting, but then does nothing else. I have got no warranty, nothing with me to claim anything from HP or anyone.
I tried to take out HD and placed it back, tried taking out RAM (both pieces of 1 GB each, using only one and shuffling them up in two slots) and also pressed ALT+F10 while start up but ................. I would appreciate if anyone can help please.