I have/had 2 physical hard drives. After I replaced one HDD, where the OS was, somehow the tech at the shop (where I bought the PC and had the HDD replaced) did the wiring and jumpers wrong. Anyhow, in installing Windows XP Home I had no choice but to place the OS in the 2nd (new drive) which was G: and NOT C: (C; and D; partitions/drives were taken from the other drive where I had files--this was my backup drive). Having work to do I had no choice but do the WIndows installation on G: which now only boots with the CD still in the drive. Anyhow, since Windows was updated with SP3 and other updates I was wondering if it is safe to do a slipstream CD seeing that I will need to get the image (or whatever you call it) and files from the OS which does not sit on C but rather on G: Or to put it simply, does the fact that presently my os is not on C: but rather on G: and that I need to use the original install CD to boot from make a difference or not? Thank you