[header] How to recover from an active sysprep (any windows os ) [title] Assuming your machine cannot boot into windows, insert your installation disc and boot into that. [title] When disc finishes loading select your language and hit next. [title] Click the repair tools or repair my machine on the bottom left hand corner. 
[title] It will now search for an installed operating system. [step] If nothing shows up you will need to download the storage device drivers for your machines from the manufacturer's web site, put them on a usb flash drive, and click load drivers button.