1. Format Your USB Key
Plug
in your USB key and back up any existing data stored on it. You’ll need to
format the key before you can make it a bootable device.Open up a Command Prompt as an Administrator. You can do this by finding the cmd.exe in your Windows/System32 folder, right-clicking the executable, and selecting “Run as Administrator”. Alternatively, type CMD in the Start Menu search field and activate the Command Prompt using Ctrl + Shift + Enter.
Type “list disk” to reveal a list of all your active disks, each of which is associated with a number. Make a note of which one is your USB key, based on the capacity. In our screenshot below, our USB drive is Disk 6 (8GB).
Next, type the following commands, one at a time:
- Select Disk # (Where # is the number of your USB disk. We typed “Select Disk 6”)
- Clean (removes any existing partitions from the USB disk, including any hidden sectors)
- Create Partition Primary (Creates a new primary partition with default parameters)
- Select Partition 1 (Focus on the newly created partition)
- Active (Sets the in-focus partition to active, informing the disk firmware that this is a valid system partition)
- Format FS=NTFS (Formats the partition with the NTFS file system. This may take several minutes to complete, depending on the size of your USB key.)
- Assign (Gives the USB drive a Windows volume and next available drive letter, which you should write down. In our case, drive “L” was assigned.)
- Exit (Quits the DiskPart tool)
2. Turn the USB Key into a Bootable
Device
Insert the Windows 7 install DVD into your drive, and view
the files that it contains. Copy all of the files here to a folder on your
Desktop. We put the disc contents in a folder named “Windows 7”
Go back to your command prompt, running it as an
Administrator. Using the “CD” command, find your way to the folder where you
extracted the ISO files. Your command line path should look something like
“C:\Users\USERNAMEHERE\Desktop\Windows 7\”.
Type the following commands:
CD Boot (This gets you into the “boot” directory)
Bootsect.exe /nt60 L: (where ‘L’ is the drive letter assigned to your USB key from the previous step)
Type the following commands:
CD Boot (This gets you into the “boot” directory)
Bootsect.exe /nt60 L: (where ‘L’ is the drive letter assigned to your USB key from the previous step)
IMPORTANT: If you’re currently running 32-bit Windows Vista or 7, Bootsect will only work if you use the files from the 32-bit Windows 7 install disc. The Bootsect executable from the 64-bit version will not run in 32-bit Vista.
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