This tutorial will help you in creating a bootable USB drive of Windows Vista and 7 which you can use to install Vista and 7 in any system. It might become very useful when you don't have access to DVD drive.
Step 1: Insert your USB (4GB+ preferable) stick to the system and backup all the data from the USB as we are going to format the USB to make it as bootable.
Step 2: Open elevated Command Prompt. To do this, type in CMD in Start menu search field and hit Ctrl + Shift + Enter. Alternatively, navigate to Start > All programs >Accessories > right click on Command Prompt and select run as administrator.
Step 3: When the Command Prompt opens, enter the following command:
DISKPART and hit enter.
LIST DISK and hit enter.
Once you enter the LIST DISK command, it will show the disk number of your USB drive. In the below image my USB drive disk no is Disk 1.
Step 4: In this step you need to enter all the below commands one by one and hit enter. As these commands are self explanatory, you can easily guess what these commands do.
SELECT DISK 1 (Replace DISK 1 with your disk number)
CREATE PARTITION PRIMARY
SELECT PARTITION 1
(Format process may take few seconds)
Don’t close the command prompt as we need to execute one more command at the next step. Just minimize it.
Step 5: Insert your Windows DVD in the optical drive and note down the drive letter of the optical drive and USB media. Here I use “D” as my optical (DVD) drive letter and “H” as my USB drive letter.
Step 6: Go back to command prompt and execute the following commands:
D:CD BOOT and hit enter. Where “D” is your DVD drive letter.
CD BOOT and hit enter to see the below message.
(Where “H” is your USB drive letter)
if you do not have disk and you want to do this from hard drive of another computer where you have installation stuff then simply change the drive letter to
the one of your hard drive where you have installation stuff
F Is the hard drive letter
Step 7: Copy Windows contents to USB.
You are done with your bootable USB. You can now use this bootable USB as bootable DVD on any computer that comes with USB boot feature (most of the current motherboards support this feature).
Note that this bootable USB guide will not work if you are trying to make a bootable USB on XP computer.
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