I was using windows XP with Award Bios startup utility. When first time, my windows got crypt, then I tried to reinstall a new copy, but my setup was not copying files from CD and sometimes it was giving message that some files on my windows CD are crypt. then after a long time I was able to install from same CD.
After few days it got crypt again. And this time it was used to freeze during my installation attempts. then somebody told me that I need to format my hard disk. then I detached my hard disk from my system and attached it to another system by making slave drive. Then I deleted all files on my slave hard disk except lefting few very important files. When I attached slave hard disk back to my system, then there was no video on my monitor or it was video failure, while I had power in it. I have checked video wires, power wires and hard disk installation there is no problem.

First off you could have formatted with GParted and left the drive where it was. Second: if you have very important files you better re-slave the drive and get them off. If you reinstall XP they will be erased unless you have them on a partition other than what will become C:

As to the graphics: do you get a brief message when you power on that says "No Signal Input"? Does the monitor LED go to green then amber?

I donot get " No Signal " message.
Yes, LED first, turns to green and then to Amber.