USB Installation of Win7 Ultimate x64

Hello all, I'm new here. Found this forum via google, of all places ;)

I'm having a serious problem. I'll start with the specs first, and then get to the problem though.

System:
Seagate 500GB HDD
Gigabyte M68MT-S2P mobo w/ BIOS Award Modular BIOS v6.00PG
USB installation of Windows 7 Ultimate x64

And now, the problem... the installation starts, and I get to the "Where do you want to install Windows?" screen, I choose my drive, which is "Disk 0 Partition 1", which displays Total Size 465.8 Free Space 465.8 Type Primary, but Windows 7 installer says: "Setup was unable to create a new system partition or locate an existing system partition. See the Setup log files for more information."

Now, as you can see from what I said the issue it, it loads into the installation just fine. I've used a 32bit version of this and installed Win7 on several netbooks with the same issue, and in all cases, removing the USB at this point and re-inserting it was what fixed it.

The things that I have tried already are:
1. Removing the USB so that the only drive in is the HDD, but then I get the "Windows is unable to install to the selected location. Error: 0x80300001.
a. A google search, and human logic, tell me that this is because the USB drive is no longer present, so I re-insert, and choose the drive again, and get the same original error in the issue above.

2. I have installed ubuntu on the hard drive from a USB, which of course, installed fine, and ran fine. I've again reformatted the drive, since the installer was saying it was not NTFS when it had Ubuntu on it.

3. I've changed the boot order in the BIOS to various different setups, including HDD first & USB devices second; USB devices first and HDD second. The BIOS lists the USB flash drive under Hard Drives, of which I've set it to #2, and also tried it as #1.

4. I've even tried installing Win7 from another PC and would try to move the drive to the new PC if it had worked, but this gave me the same error(and this likely wouldn't have worked, anyway).

I'm at my wits end here! I don't have a DVDrom, and it's been a couple of years since I've needed one. I've ordered one from newegg, but it won't be here for a couple of days, so any help would be appreciated.

The only thing that I can say that I know that I haven't tried is another USB flash drive, but the one I'm using is the same one I used on the above mentioned netbooks, and I don't have another USB flash drive that's large enough to try to use.

Please help me if you can! and thank you in advance for even reading this, I honestly appreciate someone even looking at this.

:edit: Also, thought I should mention, the ONLY things connected right now are the HDD, the USB flash drive, a USB mouse & USB keyboard.:end edit:

I am just going to try a guess. Try with another usb memory stick. Installing off memory sticks can be problematic.

How do you create do the boot files for you memory stick? Manually or with software (wintoflash)
Did you format it as fat32 or NTFS?

*Sorry if these have been listed but its quite hard to find key info*

The problem is that you already have a partition which encompasses the full capacity of the drive. The system partition, which you are getting the error message about, is a separate partition to the main OS partition. Since the existing partition is filling the drive, there is no room for this partition to be created.

To overcome this, you need to delete the partition (you should always allow the OS to automatically create the required partitions and format them when installing the OS).

Firstly, check your BIOS boot order. The HDD should be listed first, and you should use the one-time boot method (usually by pressing F12, but check your user manual) to boot into the USB install flash drive. Since you have already managed to install Ubuntu with this method it eliminates possible hardware issues, and I shall assume that you know how to do this part. It is important that the USB drive is not set as the default boot device, as this will lead to endless boot looping.

Now start your computer, and boot up from the USB flash drive. Follow the instructions here (they refer to a conventional DVD install, but are exactly the same for a USB-based one) Clean Install Windows 7 up to Step 8. With reference to the information in the Tip box, select the partition and then click Delete to remove it. Now restart your computer and again boot up from the USB flash drive. You should now be able to install as normal, and the required partitions should be created automatically for you.

It should work either way, it's just my personal preference to reboot at this stage.

Tried both suggestions, same problem with the new flash drive, and also same problem with steps 1-8 from the link Dwarf posted.

One thing I did notice before I "Deleted from Drive options(advanced)" and rebooted was the "Type: System", but it encompassed the entire drive.

It is my understanding that I shouldn't have to create the system & primary partition manually; the installer should do all of that for me.

So, same error with "Type: System" on the full drive, as well as same error with "Type: {blank}" on the full drive.

Going to reboot again.

No change, still same issue.

One thing that I just noticed, since I deleted the partition (Type: {blank}), and try to view drives via "Load Driver" & "Browse", is that my USB flash drive shows as "Removable Disk (C: )". I'm going to try to split the drive into 2 equal sized partitions, and make 1 the Primary and leave the other half blank.


Formatting the drive from diskpart now

• 
  shift+f10–>diskpart[Enter]
  list disk (USB flash drive showing as disk 1 )
  sel disk 0
  clean
  create par primary
  sel par 1
  act
  format fs=ntfs
  exit

Going to reboot again when it is complete and try again.

I had issues with wintoflash and other software. Try doing it manually

How To Boot And Install Windows 7 From USB Flash Drive

That is how I got it to work.
It may work for you.