Installing Windows XP on WIndows 7 Machine Tags: Windows 7 Boot Windows XP Last response: April 24, 2012 3:20 AM in Windows XP Share pho46514 September 21, 2011 6:58:23 PM Go into bios.Change ECHI to IDE.Change boot order so CD drive is the first boot.Install XP from drive.You will lose the Wndows 7 operating system. More about : installing windows windows machine PhilFrisbie a b $ Windows 7 September 21, 2011 7:44:40 PM That is the EASY part. Then you must track down all the drivers. Hopefully you are not doing this on a laptop because you may never get all the special hardware working. . . And if you DO get everything working then plan on spending hours installing all the XP updates. pho46514 September 21, 2011 7:57:49 PM All the question was,how to install Windows XP onto a Windows 7 machine. Related resources Installing Windows XP on WIndows 7 Machine - Forum How can I install windows xp on a windows 7 machine with no CD drive? - Forum Installing Windows XP on WIndows 7 Machine - Forum Installing Windows XP on WIndows 7 Machine - Forum How to install xp on windows 7 machine - Forum Can't find your answer ? Ask ! Get the answer PhilFrisbie a b $ Windows 7 September 21, 2011 10:21:19 PM Your post was labeled as a discussion, so I added my thoughts to yours. pho46514 September 23, 2011 9:56:20 AM pho46514 said:Go into bios.Change ECHI to IDE.Change boot order so CD drive is the first boot.Install XP from drive.You will lose the Wndows 7 operating system. ECHI should be AHCI that's what it shows under SATA MODE on my laptop.ECHI was from memory but I was wrong. virtualshyam April 24, 2012 3:20:04 AM yes , you can do that . why you face the difficulty to co exist the 7 and xp is because they use diffreent concepts for boot manamgement. XP uses the ntldr approch and 7 use the bootmgr approch Hope you can find detailed explanation on this topic on the below mentioned link http://desktopreality.com/installing-xp-after-windows-7... hope you find it useful Can't find your answer ? Ask ! Publish Related resources: ForumCan winwindows 7 ultimate 64bit be installed on windows xp x64 machine ForumCan windows xp be installed on a machine that has windows 7 ForumRe installing windows xp on a machine with windows 7 installed ForumAdding a drive that has windows 7 to xp machine . ForumPrinting to a windows xp machine from windows 7 home ForumHow can i load xp on windows 7 machine with processor i3 ForumCopy XP drive data to new Windows 7 drive on new machine ForumWindows 7 booting issue in XP machine ForumHow to install xp on windows 7 machine ForumWindows 7 booting issue in XP machine ForumXP 32 bit on a 64 bit machine to Windows 7 64 bit upgrade ForumHELP!!! Please with Windows XP ForumAdd or remove not working in my windows xp ForumP4 drivers for windows xp ForumProblems installing? More resources Read discussions in other Windows XP categories Configuration Customization Drivers Security Video !