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Windows 7: UEFI Installation possible on this Netbook?


15 Jun 2013   #1

Windows 7 Ultimate 64bit
 
 
UEFI Installation possible on this Netbook?

Hello, I thank again everybody who helped me before. Right now I'm having problems with a new netbook I recently bought (Complete Datasheet: Acer | Aspire One | AO725-0600 | Overview). Anyway, I thought I wouldn't need them anymore so I deleted all those partitions that come from the manufacturer because I really NEVER used them before (and besides they where almost 50 GB in size :S ). But I was very very wrong. I'm having the most difficult time trying to re-install Windows 8 again, and I stumbled upon the UEFI method which I didn't know nothing at all. So my question is, is it possible to install Windows 7 x64 through UEFI in that netbook?, I've been using Win 7 for years now and I'm most comfortable with it. I know the netbook is UEFI compatible since the BIOS settings includes the option of using UEFI or Legacy BIOS. Your help is greatly appreciated.

My System SpecsSystem Spec
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15 Jun 2013   #2

Windows 8.1 Pro | Windows 7 Home Premium 64-bit SP1
 
 

Damian Adelle, Try this tutorial

UEFI
My System SpecsSystem Spec
15 Jun 2013   #3

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

1) Downgrade to Windows 7.
Downgrade Windows 8 to Windows 7
Warning you must have the uEFI/BIOS firmware setting in Step Three set.


2) If Using a USB Pendrive on a PC with a uEFI BIOS.
USB Pendrive need to be formated to FAT32 as in
UEFI Bootable USB Flash Drive - Create in Windows
Take note of Step 11 for Windows 7.
Also you will need to use a USB 2.0 port, as there are no USB 3.0 drivers in Windows 7.
My System SpecsSystem Spec
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15 Jun 2013   #4

Windows 8.1 Pro | Windows 7 Home Premium 64-bit SP1
 
 

Quote   Quote: Originally Posted by theog View Post
1) Downgrade to Windows 7.
Downgrade Windows 8 to Windows 7
Warning you must have the uEFI/BIOS firmware setting in Step Three set.


2) If Using a USB Pendrive on a PC with a uEFI BIOS.
USB Pendrive need to be formated to FAT32 as in
UEFI Bootable USB Flash Drive - Create in Windows
Take note of Step 11 for Windows 7.
Also you will need to use a USB 2.0 port, as there are no USB 3.0 drivers in Windows 7.
Thanks for posting this theog, this is the second time I made this mistake

I thought since he currently had seven installed he could use the link I provided. Since it was originally 8, just to make sure I understand correctly, the downgrade link must be performed?
My System SpecsSystem Spec
15 Jun 2013   #5

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

On a Pre-install Windows 8 PC, to downgrade to windows 7, the BIOS MUST BE SET TO SUIT 7.
My System SpecsSystem Spec
15 Jun 2013   #6

Windows 7 Ultimate 64bit
 
 

Hey, thank you both very much. Well, since theog already knows that I had problems with my Win8 running, I'm gonna have Win 7 installed instead, both for comfort and familiarity with the OS. Like I said, I wiped out the HDD, there's no more Win 8 there, is completely empty so this is more like a full-clean Win 7 x64 Ultimate install. I tried with and old DVD I have, I used Rufus just like the tutorial to use UEFI but when I try to boot it up it gives me a black screen with an error in a file called "BCD" which couldn't be read :S, so it cannot boot from there. So right now I'm waiting for someone to bring my more recent Win 7 DVD from my old house to use it and try to launch it in the netbook. But I do have a question, how exactly can I prepare the BIOS to "be suited" for Win 7?, you mean like changing the default settings? or flashing the mobo?. I really appreciate a clarification about this, thanks again.
My System SpecsSystem Spec
15 Jun 2013   #7

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Downgrade to Windows 7.
Downgrade Windows 8 to Windows 7
Warning you must have the uEFI/BIOS firmware setting in Step Three set.
My System SpecsSystem Spec
15 Jun 2013   #8

Windows 8.1 Pro | Windows 7 Home Premium 64-bit SP1
 
 

Step 3 is very important

UEFI Installation possible on this Netbook?-step-3.png


My System SpecsSystem Spec
15 Jun 2013   #9
Microsoft MVP

 

You want Legacy BIOS or Compatibility Support Module enabled in BIOS setup, in addition to Secure Boot disabled which if you've installed Windows 7 on a Win8 machine you have already done.

Did you make the file edit shown in UEFI Bootable USB Flash Drive - Create in Windows ? If so and it will not install then try the DVD install deleting all partitions again.

As a last resort those having problems with UEFI have all been able to Bypass UEFI to Install Windows 7
My System SpecsSystem Spec
16 Jun 2013   #10

Windows 7 Ultimate 64bit
 
 

So I did a bootable Win 7 x64 Ultimate with UEFI enabled, and this is what I get: "Windows failed to start. A recent hardware or software change might be the cause." What?, I don't even have ANY Windows systems installed :S, that's what I'm trying to do, and at the end it gives me the file:\EFI\Microsoft\Boot\BCD, followed by Status: 0xc000000d, and Info: An error ocurred while attempting to read the boot configuration data.. This time I cleaned the HDD with disk part as the tutorial of gregrocker to bypass UEFI so now I'm very sure everything about other systems are deleted, so why do I get this error about a Windows system which I don't even have?, the secure boot is disabled by the way, and the order is: 1-My USB drive with bootable 7, 2-HDD, 3-Network Boot. But it really doesn't seems to matter, it always brings me to the Windows Boot Manager. I did installed previously this system but without UEFI, using Legacy BIOS instead of UEFI, and Sata Mode as IDE instead of AHCI (both UEFI and AHCI come as default), but it was a total disaster, the system did install and everything (nothing about this crap about BCD popped out), but as soon as I updated the system, boom, blue screens of death, and if that didn't happen, then the system was slow as hell, or the file explorer failed to start or the updates just simply won't install at all because errors like 0xc0000001 appeared (suspiciously only with Security updates), and random things like that happened. And I'm talking about the same version of Windows 7 here, so I know it works because I had it in and older computer, but not as UEFI, maybe I need to select another option in the "Partition scheme and target system type" in rufus?. Once again, I thank everyone for their time, patience and help.

EDIT: Well, I tried even another Win 7 x64 Pro and still gives me this BCD error, that's the question, how do I get past this?
My System SpecsSystem Spec
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 UEFI Installation possible on this Netbook?




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