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Windows 7: Problems downgrading preinstalled Windows 8 to Windows 7 on ASUS Vivo

12 Sep 2014   #1
starsplash

Windows 7 Pro 32bit
 
 
Problems downgrading preinstalled Windows 8 to Windows 7 on ASUS Vivo

Hello. I think I'm losing my mind here and now I think I'm lost. Been googling and circling around for hours. So, I have an ASUS Vivobook laptop here, which has a preinstalled Windows 8. Now I'd like to downgrade to Windows 7, which I got thanks to my school having a deal with DreamSpark.
So I have a Windows 7 Professional ISO which I got from DreamSpark. Then I tried to create a bootable memory stick with Rufus, based on this tutorial:
UEFI Bootable USB Flash Drive - Create in Windows

But when I'm pressing the "Start" button to start the process, it gives me an error:
title: "Unsupported ISO"
"When using UEFI Target Type, only EFI bootable ISO images are supported. Please select an EFI bootable ISO or set the Target Type to BIOS."

So there seems to be a problem with my ISO. Is there a way to modify the ISO? Or what should I do in order to get the ISO readable for Rufus?


Cheers!
starsplash



My System SpecsSystem Spec
.
12 Sep 2014   #2
Ztruker

Windows 10 Pro X64
 
 

Try downloading a fully legal ISO from here: Windows 7 Direct Download Links

Use that as input to Rufus, see if it works. Make sure you get the one that matches what you got from DreamSpark so the installation key will work and you can active. You want the SP1 U (media refresh) version.

Since the computer that came with Windows 8 is probably UEFI/Gpt based rather than BIOS/MBR, see here:

To install Windows 7 on a UEFI (not BIOS) system
My System SpecsSystem Spec
12 Sep 2014   #3
starsplash

Windows 7 Pro 32bit
 
 

The ISO that I got from DreamSpark carries the title:
"Windows 7 Professional with Service Pack 1 (x86) - DVD (English)"

So, as you mentioned, I should I download the "media refresh" edition, and that's what I did:
Windows 7 Professional x86 SP1 U (media refresh)

So I gave the "media refresh" ISO a try in Rufus, and bam, got the same error as the last time that I have an unsupported ISO.
My System SpecsSystem Spec
.

13 Sep 2014   #4
starsplash

Windows 7 Pro 32bit
 
 

I'm not sure if "upping" is allowed here, but...

Up!
My System SpecsSystem Spec
13 Sep 2014   #5
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Quote:
The ISO that I got from DreamSpark carries the title:
"Windows 7 Professional with Service Pack 1 (x86) - DVD (English)"
Which is 32 bit, UEFI is x64.
My System SpecsSystem Spec
13 Sep 2014   #6
Ztruker

Windows 10 Pro X64
 
 

Theog, will the key he has work for the 64 bit version? If so, he could download that instead of the 32 bit and try it.
My System SpecsSystem Spec
13 Sep 2014   #7
starsplash

Windows 7 Pro 32bit
 
 

Quote:
The ISO that I got from DreamSpark carries the title:
"Windows 7 Professional with Service Pack 1 (x86) - DVD (English)"
Quote   Quote: Originally Posted by theog View Post
Which is 32 bit, UEFI is x64.

Yeah, turns out that was the case. One key fits both for 32 and 64 bit, so I downloaded the 64 bit ISO from DreamSpark and Rufus happily accepted it. Then I disabled Secureboot and enabled CSM in BIOS and got my memory stick booting into Win7 installation.

Who would've thought the solution is that easy. But thank you everyone, I'll go enjoy my Windows 7
My System SpecsSystem Spec
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 Problems downgrading preinstalled Windows 8 to Windows 7 on ASUS Vivo




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