installing os

My laptop came with windows vista in C: I installed win 7 in H: I currently can choose what to boot when i start the laptop. What if i format C: while using windows 7 ? While the boot have trouble? (i think that the boot file is in C: or am i wrong?) What should i do?

Hi. I am planning on upgrading from XP to Windows 7. Right now, I have 2 hard drives on my computer (C: and F:). All of my files are on the C: hard drive (300GB) and F: (1TB) is empty. When I install Windows 7, I'm planning on installing it to F: , and later copying files over from C: instead...

Hello, I heard that Windows 7 runs pretty good on systems a few years old, so I thought I'd give it a try for the heck of it on mine. I'd like to dual boot with XP, with XP still being the primary OS I use. At some point, whether it's a couple weeks later if I end up not liking it, or in March...