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Windows 7: How do I install Windows 7 on a GPT disk with UEFI enabled in my bios?

06 Oct 2019   #1
Ten2O

Windows 10 Pro x64
 
 
How do I install Windows 7 on a GPT disk with UEFI enabled in my bios?

I've been trying for a long time. I've tried various solutions out there, but all of them either lead up to an unbootable drive or it just getting stuck on "Starting Windows". I tried it normally, without making any modifications to the files, but I get stuck on the "Starting Windows" screen. The computer doesn't freeze on the screen, as I can still see the windows logo pulsating. I've heard you can try booting it in safe mode, but I have no idea how to boot a usb in safe mode. I've heard you can install windows using WinPE, but I have no idea how to do that either, as WinPE has no file explorer.


My System SpecsSystem Spec
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06 Oct 2019   #2
torchwood

W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
 
 

Hi Ten20,

have a read of this tutorial'



UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with

Roy
My System SpecsSystem Spec
06 Oct 2019   #3
Ten2O

Windows 10 Pro x64
 
 

That tutorial tells me to boot from the UEFI Windows 7 usb, but when I do that I just get stuck on "Starting Windows".
My System SpecsSystem Spec
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06 Oct 2019   #4
torchwood

W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
 
 

if this pc comes with USB3 ports then further changes will need to be made to the install media (Pro or higher)

Whats wrong with using MBR - fast start-up will need to be Dissabled


Roy
My System SpecsSystem Spec
06 Oct 2019   #5
Ten2O

Windows 10 Pro x64
 
 

Quote   Quote: Originally Posted by torchwood View Post
if this pc comes with USB3 ports then further changes will need to be made to the install media (Pro or higher)

Whats wrong with using MBR - fast start-up will need to be Dissabled


Roy
1. I can't use UEFI with it, which means I'll have to keep going into the bios and changing the mode every time I wanna switch OS's.

2. I can't dual boot a gpt and an mbr os on the same disk.
My System SpecsSystem Spec
06 Oct 2019   #6
torchwood

W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
 
 

???

MBR and EUFI are totally different

Mbr was the for-runner, Eufi is the latest - as your motherboard was first sold during 2012 it was likely set-up as Eufi
BUT there is nothing stopping you from using MBR check your Bios settings look for Legacy/CSM
Option should be availble

Correct you cant load both if ONLY using >> 1 << OS
Dual booting different OS's is another kettle of fish

What are you trying to run IF its only W7 then i'd opt for MBR unless your running a 3TB+ SSD

Roy
My System SpecsSystem Spec
06 Oct 2019   #7
Ten2O

Windows 10 Pro x64
 
 

Quote   Quote: Originally Posted by torchwood View Post
???

MBR and EUFI are totally different

Mbr was the for-runner, Eufi is the latest - as your motherboard was first sold during 2012 it was likely set-up as Eufi
BUT there is nothing stopping you from using MBR check your Bios settings look for Legacy/CSM
Option should be availble

Correct you cant load both if ONLY using >> 1 << OS
Dual booting different OS's is another kettle of fish

What are you trying to run IF its only W7 then i'd opt for MBR unless your running a 3TB+ SSD

Roy
Holy crap, I am EXTREMELY sorry about that. I forgot to mention I was dual booting Windows 10. It won't let me edit the original post. I have had Windows 7 installed on this PC before using legacy bios and mbr. I have no option for csm. The bios let's me change between "Legacy" "UEFI" "UEFI and Legacy".
My System SpecsSystem Spec
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07 Oct 2019   #8
erpster4

Windows 7 SP1 Home Premium 64bit [x64]
 
 

Legacy = CSM

some UEFIs use different "terms" or words to describe booting into either CSM or Legacy mode [like on my dad's Toshiba Satellite C55Dt laptop, there are different boot modes in Toshiba UEFI setup, UEFI boot and CSM [btw, the Toshiba laptop's UEFI is made by Insyde]

another problem with installing Win7 on "pure" UEFI is that Windows 7's VGA driver (vga.sys) is totally incompatible with UEFI; that will work only with legacy or CSM modes and vga.sys "hangs" in UEFI mode

check out some of these topics I've dug up through a google search on "windows 7 uefi vga.sys":

https://www.reddit.com/r/windows/com...rivers_vgasys/
Disable CSM - Boot Windows 7 x64? - Page 2
Is it somehow possible to install Windows 7 on UEFI (non CSM) laptop ? | Page 2 | My Digital Life Forums
Installing Windows 7 on a UEFI Computer - BlueCompute

so far, I can only successfully install & run Win7 on the Toshiba laptop in CSM + MBR mode but not in pure UEFI + GPT mode (because 3rd party graphics drivers from Intel/AMD/nVidia may have to be integrated or slipstreamed onto the Win7 install media)
My System SpecsSystem Spec
07 Oct 2019   #9
torchwood

W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
 
 

yep info is king to the process, have a read


Dual Boot Windows 10 with Windows 7 or Windows 8 | Tutorials


Roy
My System SpecsSystem Spec
08 Oct 2019   #10
Megahertz07

Windows 7 HP 64
 
 

Same disk can't be GPT and MBR.
When you install Windows as UEFI it makes the disk as GPT and when you install as Legacy it makes the disk as MBR.
To do what you want (dual boot Win 7 and Win 10 in the same disk as UEFI) you must first convert the disk from Legacy - MBR into UEFI - GPT.
You can do it under Win 10.
Convert Windows 10 from Legacy BIOS to UEFI without Data Loss | Tutorials

Once the disk is converted to UEFI - GPT, you can install Win 7 as UEFI
My System SpecsSystem Spec
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 How do I install Windows 7 on a GPT disk with UEFI enabled in my bios?




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