Using a Lenovo T61p trying to install on a Lenovo X61s. Tried the windows usb-dvd tool first. Then I followed this guide on both a USB drive and the hard drive inside the computer. ht tp://w w w.intowindows.com/how-to-install-windows-7vista-from-usb-drive-detailed-100-working-guide/ I have changed the BIOS to load USB drives first. When the OS is on the flash drive it does not detect it. When the OS is loaded on the HD, it errors about a bootmanager. Am I out of ideas as to what i am doing wrong!