Installing Windows 7 - Failure

[Microsoft Windows 8]

I have Windows 8. For some reason, I just want to use Windows 7 as well. I am very experienced in Installing Windows and with computers

If I try to install Windows 7 in UEFI mode, then the "Loading Files" bar finished successfully, but the installation freezes and stops when it says "Starting Windows" with those coloured balls. I wait, but nothing happens. My internal Hard Disk Drive turns off after a little while, and the external Hard drive (Which I'm installing Windows from) has no Read or Write I/O. Nothing happens. Fans are off, HDDs are off.

If I try to install Windows 7 in Legacy BIOS mode, then the installation runs perfectly until I get to the point of Choosing which partition I want to install Windows 7 on. It gives me the error:
"Windows cannot be installed on this disk. The selected disk is of the GPT partition style."
And so I cannot continue.

Is there a solution to this problem?
I need to either:
Be able to install Windows on GPT partition Scheme/Style
or
Resolve the frozen boot screen.

Any ideas?
Thanks


EDIT: I forgot to mention my computer.
Acer Aspire E5-571PG-524H
CPU: Intel Core i5-4210U at 1.70GHz (up to 2.67GHz)
GPU: Nvidia GeForce 840M (2GB Dedicated VRAM)
RAM: 4GB DDR3 l Memory
1TB HDD (GPT)

EDIT 2:
HDD partitions
Disk 0, Partition 0 Has Windows 8.1 Core.
Disk 0, Partition 1,2,3 have my files
Disk 0, Partition 4 is the empty drive which I am trying to install Windows 7 on.
Disk 1, Partition 0 is the external Hard drive which I am installing Windows FROM.

 

[i7Baby]

What partitions in what drives have OS's on them?

Are you using a Boot Manager?

 

[Microsoft Windows 8]

What partitions in what drives have OS's on them?

Are you using a Boot Manager?

Disk 0, Partition 0 Has Windows 8.1 Core.
Disk 0, Partition 1,2,3 have my files
Disk 0, Partition 4 is the empty drive which I am trying to install Windows 7 on.
Disk 1, Partition 0 is the external Hard drive which I am installing Windows FROM.

I thought Boot Managers were only used in Legacy BIOS mode?

 

[i7Baby]

They are used where you have more than 1 OS on a PC.

What form is Windows in on disk1?

 

[Microsoft Windows 8]

They are used where you have more than 1 OS on a PC.

What form is Windows in on disk1?

No, I do use a boot manager. I do not have more than 1 OS.

Disk 1. I use RUFUS to create a bootable drive, and the iso is downloaded at GETINTOPC.COM. I do not believe that the iso image is corrupted. I have use all 3 modes - MBR for Legacy, MBR for UEFI, and GPT for UEFI. None work in UEFI, and I get stuck at Choosing which partition to install on in Legacy BIOS.

If you meant Disk 0, as in the OS that is already installed, it is UEFI mode.

 

[i7Baby]

OK - you do have a boot manager.

You should be OK. But I would prefer to have OS on separate physical drives so you can remove them if there's a problem.

And I would think that installing the OS from a usb or disk would be best.

 

[Microsoft Windows 8]

OK - you do have a boot manager.

You should be OK. But I would prefer to have OS on separate physical drives so you can remove them if there's a problem.

And I would think that installing the OS from a usb or disk would be best.

Unfortunately I do not have more than 1 internal Hard drive, and also I am not able to install Windows 7 to an External Hard drive. Also, I have tried that same routine with a USB drive.

 

[i7Baby]

I'm not saying to install Windows to an external drive. I'm saying to use a usb with the iso on it or an installation disk.

 

[Microsoft Windows 8]

I'm not saying to install Windows to an external drive. I'm saying to use a usb with the iso on it or an installation disk.

Tried both. Same Scenario again.

 

[Microsoft Windows 8]

CLean install in seperate hard drive, remove unused drives from mobo.
do partition later inside windows disk management.
if still not installs, Refer DISKPART for further steps.

I do not have a Separate Internal Hard drive

 

[i7Baby]

Then buy one or give up the idea of a second OS.

You could use Disk 1 couldn't you?

 

[Microsoft Windows 8]

Then buy one or give up the idea of a second OS.

You could use Disk 1 couldn't you?

Disk 1 is my external Hard Drive

Yes, I may as well as give up the idea of using a second OS

 

[i7Baby]

You can't put an OS on an external drive.

 

[Microsoft Windows 8]

"
You could use Disk 1 couldn't you?
"

That was your suggestion.

 

[Microsoft Windows 8]

Note 1: You can not initiate windows installation process to external hard drive if you connected to USB port. please understand You CANT install on it.

Note 2: if your windows 7 stucks during "Starting Windows" that means, some of the drive's setting is preventing to load. solution is:
Reboot--->Hit F8 (Multiple times) after POST---> Next screen should come with (Boot with Known good Configuration)---> Select that Hit enter. allow some time to boot---> Login to any Admin user---> Remove previous System Restore point----> before restarting Creat New Restore point or Create System Image to any External Hard drive for future safe.
Done...

BACKUP--BACKUP--ALWAYS--TAKE BACKUP...

I already understand Note 1

I have done Note 2. No difference undortunately