Cannot install Windows on completed build

Question

Setup: I just built this machine: https://pcpartpicker.com/list/ZQj4mr and am trying to install windows on it.

1. I can login to the BIOS and check that CPU, memory and SSD have all been installed.
2. I created a bootable USB of the Windows 11 iso image.
3. I click Install in the Windows 11 Installer to try to check.
4. When on the screen, "Where do you want to install Windows?" There is only 1 Unallocated Partition. I then Click continue and it errors very quickly with:

-- Windows could not prepare the computer to boot into the next phase of installation. To install Windows, restart the installation --

5. I click OK.
6. I click Install Now (again) and go through the prompts. There are now 3 Partitions. System, MSR and Primary.

6a) If I select Drive 0 Partition 3 Primary and click Next it won't let continue because it says, "We couldn't create a new partition or locate an existing one. For more information, see the Setup log files.

6b) If I delete all partitions and redo Step 4, I get the same error.

6c) If I *delete* Drive 0 Partition 3, it becomes Drive 0 Unallocated Space. When clicking "Next" it says.

-- The partitions on the disk selected for installation are not in the recommended order. For additional information about installing to GPT disks go to the Microsoft Website (www.microsoft.com) and search for GPT.

Do you want to proceed with the installation? --

If I click OK, it goes further into the installation but then fails.

I have tried many different tests to try and fix this but I keep getting to this loop. I would very much like to install windows please!

Answer 1

Did this error occur while executing the last command about create primary partition?

If possible share pictures of your computer's BIOS settings screens.

Answer 2

All of that code succeeded successfully. The result:"We couldn't create a new partition or locate an existing one. For more information, see the Setup log files.

Answer 3

Hello, how are you?

My name is Paloma B., I am very happy to be able to try to help you in the best possible way.

Try following the procedure below to prepare the disk and check if Windows proceeds with the installation.

First start the Windows installation and go to the screen to select the installation location, after that perform the procedure below.

1. Press SHIFT+F10 to open the command prompt;
2. Type the commands below and at the end of each one press Enter:

diskpart

list disk

select disk 0 (Change the number 0 by the number of the disk where you want to install Windows as listed in the previous command)

clean

convert gpt

create partition primary

exit

exit

3. Click Update and you will see that a new partition has been created on the disk;
4. Select the partition and proceed with Windows installation.