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Thread ID: 113668 2010-10-30 11:11:00 Installing xp win 7 dual boot jareemon (5207) Press F1
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1148828 2010-10-30 22:45:00 As long as the DVD's are not recovery DVD's:

If you have a Windows 7 home Pre OEm and you use the home Pre COA it should accept it. You may have to call MS if it wont activate and explain you had to reinstall using the COA on the Sticker OR as Ihave had to do twice this week, telephone activate it.


can i use a win7 ultimate disk with my cert, 'downgrading' it to home premium? If I read that correctly - NO The Ultimate will go looking for a Ultimate Key.

Upon saying that - all versions of Windows 7 are on the One DVD.

The product key will only be accepted by whats in the ei.cfg file in the DVD, as shown here (www.windowsvalley.com) #3.

IF the ei.cfg is altered correctly when booting from the DVD you will be asked what version of W7 you want to install, you have to have the COA for what ever version you want. EG: if you select Ultimate you must still have a ultimate COA.

The 64 bit COA generally will work on either x86 or x64 with the appropriate version Eg: Home pre x86 or x64
wainuitech (129)
1148829 2010-10-31 08:12:00 You have to install xp on a separate partition and then when you boot the computer after installing xp, you will not be able to boot into windows 7. You have to download EasyBCD on XP and then use it to re-create the windows 7 bootloader. You add the entry of 7 in the bootloader and point it to your windows 7 drive. Then restart and you will have XP and 7 in a dualboot. sahilcc7 (15483)
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