On Fri, 26 Feb 2010 00:22:01 -0800, J
wrote:

I have Vista and Win 7 dual boot from 2 HDD's. I would get the black and
white screen that let me choose which I wanted to boot. I had to reinstall
W7 and now that option is no longer their. I booted from the W7 update DVD
and when I got to the part of selecting the partion I chose the one that did
have 7 on it and formatted it then installed it. Why am I no longer given
the dual option and is thier anyway to get it back? I have checked and my
files for Vista are all still there.
You probably deleted the BCD (boot configuration data) when you
formatted the disk. Boot from the Windows 7 DVD, and run startup
repair. It should detect the Vista installation, and let you add it to
the BCD.