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How should I install W7 & W10, when my partitions are created as GPT?
#1
Hi, Britec09:
First let me say how refreshing it is to watch your videos that are detailed and easy to watch & understand.

Currently, I've been wasting far to much of my time trying to get a new PC, setup to Dual Boot Windows 7 and Windows 10, then I discovered your website, and you make it look so easy.

I've watched several of your videos, but these 2 seem to capture my needs:

How to Dual Boot Windows 7 and Windows 10 - YouTube.htm
https://www.youtube.com/watch?v=ApNeefM3pks

Create Multi Windows USB Installer - YouTube.htm
https://www.youtube.com/watch?v=aOIn8c7gqNg

But I have some queries?
Basically how should I install W7 & W10, when my partitions are created as GPT?
Do you have a video for that? Can I do it with Easy2boot ?

This is my current situation:

My PC died so I had to build a new PC(NPC) using a later version mobo, CPU, etc.

In my NPC:
I installed my original HDD from my old PC(OPC), and the (NPC) booted from this OK.
This HDD has W10 installed in one large GPT partition.

I wanted to be able to Duel-Boot by adding W7.
So I opened the 'Disk Management' window, and used its 'Shrink Volume'
to divide the W10 Primary partition into two partitions.

So now, the original W10 partition is halved in size,
and the reclaimed space was labelled as: Un-allocated space
which I used for W7.

So my HDD then had 3 (W10) partitions, + Un-allocated space, eg:
Recovery (OEM) partition  |  EFI System partition  |  C: Primary partition |  Un-allocated

Next I booted from W7 DVD:
I select the Custom install.
And at the screen: Where do you want to install windows?
I select: Drive 0 Un-allocated Space

...and a message at the bottom says:
'Windows cannot be installed to this disk. The selected disk is of the GPT partition style'

So this is stating the obvious, eg: my HDD has a GPT partition.
So why won't W7 install?

Later I discovered that, W7 installs (from its DVD) as MBR by default.
And to be able to install it as GPT, I would have to create a Win7 USB boot stick with UEFI support.
So I followed the info here: https://woshub.com/how-to-create-uefi-bootable-usb-drive-to-install-windows-7/
Which, with a bit of fiddling, I got to work.

But during the install I got this message:
'the partitions on the disk selected for installation are not in the recommended order'

I'm not sure why this happened, or if its detrimental, but I continued with the W7 install, which (after more fiddling) eventually completed OK.

So now the Un-allocated space has W7 installed in drive D, and W10 is in drive C.

But I don't want to continue adding new stuff to this PC, if I'm going to run into problems later, so I would appreciate your advice.

Basically how should I install W7 & W10, when my partitions are created as GPT?
Do you have a video for that? Can I do it with Easy2boot ?

Many thanks.
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#2
Youd probably need to disable uefi and enable legacy boot in the bios before either install of windows 7 or windows 10 or it wont work.
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#3
(03-01-2019, 07:47 PM)smirk24 Wrote:  Youd probably need to disable uefi and enable legacy boot in the bios before either install of windows 7 or windows 10 or it wont work.

I find the info on the BIOS settings, for MBR or GPT rather confusing!
But I thought UEFI was needed for a GPT/GUID partitions,
and legacy was for MBR ?

As I stated in my original post, I was told that...
...to be able to install it (W7) as GPT, I would have to create a Win7 USB boot stick with UEFI support.

Thanks.
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#4
Can anyone help with this issue?

And is there a video for this?
and can I do it with Easy2boot?

Many thanks
Reply

#5
ok what is model number and manufacturer of the motherboard?

take a photo of all partitions using disk management
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#6
(03-04-2019, 02:40 PM)Compton Wrote:  ok what is model number and manufacturer of the motherboard?
take a photo of all partitions  using  disk management

Thanks for your reply, here is the info you requested:

Motherboard: Gigabyte Intel Z370 HD3P Coffee Lake ATX
Disk management image attached: D_Manager_PICT1861.JPG

Many thanks


Attached Files Thumbnail(s)
   
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#7
(03-05-2019, 12:06 PM)mac Wrote:  
(03-04-2019, 02:40 PM)Compton Wrote:  ok what is model number and manufacturer of the motherboard?
take a photo of all partitions  using  disk management

Thanks for your reply, here is the info you requested:

Motherboard: Gigabyte Intel Z370 HD3P Coffee Lake ATX
Disk management image attached: D_Manager_PICT1861.JPG

Many thanks

Gpt partitions were around before uefi. Uefi is where the problem will come in for windows 7.

Windows 7 supports only mbr/master boot record and 8.1 - 10 is neutral which means mbr or uefi. You'll be successful with windows 8 - 8.1 and windows 10 but windows 7 and windows 10 wont be successful if uefi is enabled in the bios.
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