Guide : How To Create Bootable USB Drive Of Windows 7 and Install
Did you download the Windows 7 BETA, and obtained a valid License for Windows 7 BETA.Here’s how you could create a Bootable USB Installation Drive Of the Windows 7.
Requirements :
- USB Drive
- Windows 7 Installation Files
- Windows Vista, to run these commands.
Step 1. Format Your USB Drive : You’ll need to format the drive before you can make it a bootable device.
Step 2 : Open Command Prompt as admin, for that you Go to Start menu -> All programs -> Accessories, right click on Command Prompt and select Run as administrator.
Step 3: Type “DISKPART” in the command prompt and Press “Enter”.
Note : Know you USB Disc’s drive letter before you proceed, check that in the Windows Explorer ie., From My Computer.
Step 4: Next type “LIST DISK” command and note down the Disk number (ex: Disk 1) of your USB flash drive.
Type the following commands one by one.
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)
Image source : MaximumPC
Minimize the CMD Prompt.
Step 5 : You could also mount the image of the Windows 7 into a Virtual Drive and keep a note of the Drive Letter of the Virtual Drive.
Bring up the command prompt, type the following commands,
X:CD BOOT and hit enter.Where “X” is your DVD/Virtual DVD drive letter.
CD BOOT and hit enter and you should the following message “ BootCode was Successfully updated on all target volumes”
next type the following command
BOOTSECT.EXE/NT60 Z: [ To update the USB drive with BOOTMGR compatible code. ]
Where “Z” is your USB drive letter.
Image Source : MaximumPC
Step 6 : Copy your Windows 7/Vista DVD contents to the USB flash drive.
Step 7 : Change the Boot Priority to USB Devices to boot from the USB Disc to install Windows 7 from USB.
Note : Both the OS should either be 32 /64 bit, you cannot create a 64bit Bootable disc from a 32 bit Vista and vice-versa.
Sources : MaximumPC and IntoWindows
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Jun 16, 2011 @ 07:36:35
Target volumes will be updated with BOOTMGR compatible bootcode
could not map drive partition to the associated volume device objects: Access is denied………….it shows to now what i do ? pls help