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Windows 7: Installing Windows 7 over XP

11 Dec 2011   #1
Stahle

XP PRO
 
 
Installing Windows 7 over XP

Hi,
I'm desperately trying to get windows 7 installed on my Acer 6292 laptop. I'm currently running XP Pro SP3 on it. I've tried everything I can think of but windows 7 won't boot from DVD or USB.
Just to get this straitened out first of all, my bios is set to boot in the following order USB then DVD then hard drive.
First I tried to make my USB bootable through the commad prompt. I found that to be impossible since my USB won't show on list disk command.
So then I tried the Windows 7 USB/DVD download tool. But still it doesn't work. When I try to boot from the USB it says ntldr is missing.
Please help!


My System SpecsSystem Spec
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11 Dec 2011   #2
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Take a look at these tutorials:

Option one here
Windows 7 Installation Errors : Troubleshoot Step by Step

Option two here: (Will not work, if using Win XP)
USB Windows 7 Installation Key Drive - Create
My System SpecsSystem Spec
11 Dec 2011   #3
Stahle

XP PRO
 
 

Thanks but I've already tried those. The problem is when I try to manually create a bootable windows 7 installation USB. When I type list disk in command promt my USB disk doesn't show on the list only my hard drive.
My System SpecsSystem Spec
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11 Dec 2011   #4
gregrocker

 

Write ISO to flash stick using Universal USB Installer with Win7 in dropdown menu. Boot it using one-time BIOS boot menu key as stick can appear under USB, Removable or even HD's.

Set your BIOS to boot from HD first unless you don't have a one-time BIOS Boot Menu key..

If this fails, where did you get the WIn7 ISO? Confirm it's HASH or download another and try again.

You can also run the installation files from stick to install over XP from its desktop, but it would be best to get the stick booting so you can use it for repairs if Win7 fails to start, or if you replace HD.
My System SpecsSystem Spec
11 Dec 2011   #5
Sedril

Windows 7 Ultimate SP1 x64
 
 

Do you have an external USB hard drive you could use? Those work well also, and may appear where you USB flash drive doesn't...
My System SpecsSystem Spec
12 Dec 2011   #6
Stahle

XP PRO
 
 

Thanks Gregrocker!

There was something wrong with my ISO. Downloaded a new one and worked like a dream.
My System SpecsSystem Spec
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 Installing Windows 7 over XP




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