How to create Windows 7 bootable USB flash disk and install Windows 7 from USB so you don’t need to have a DVD Windows 7 installer?
Well, This posting is just about how to do that. This procedure for installing Windows 7 from USB flash is is particularly useful for netbook owners and will save you a lot of headaches just in case you need to reinstall new Windows installation on your netbook or your laptop.
Having a bootable flash disk is very important, especially if you are notebook users who do not have an internal CD ROM. Using a USB bootable to install an operating system (OS) not only makes installation faster, but also can store a very large installation file which is usually stored in the DVD.
Installing the Windows 7 from USB is very easy. You can follow the step-by-step instruction below.
- Insert the flash disk with at least 4GB of space. You have to format it before you can use it as bootable flash disk.
- Open Command Prompt by clicking [Start] and type [CMD] in the search box and press [Enter]. The other Alternative is through the following command: Start> All Programs> Accessories> Command Prompt on right clicks and selects [Run as administrator].
- When the Command Prompt window opens, enter the command / command: DiskPart then click [Enter], LIST DISK and click [Enter]. After you enter the LIST DISK command, it will show your USB drive disk numbers.
- In this step you must enter all the below commands one by one and press enter.
- SELECT DISK 1 then click [Enter], (number one is the appropriate number of flash disks you like the picture above)
- CLEAN then click [Enter],
- CREATE PRIMARY PARTITION and click [Enter],
- SELECT PARTITION 1 and then click [Enter],
- ACTIVE then click [Enter],
- FORMAT FS = NTFS then click [Enter], (please be patient because the format process will take only a few tens of minutes you type the next command)
- Assign and then click [Enter],
- EXIT then click [Enter], (Do not close the command prompt before the whole process is completed).
- Enter your Windows DVD in and note the drive letter of the optical drive and USB flash media disk.
- Back to command prompt and run the following command: D: CD BOOT and press [Enter], where “D” is the letter code of DVD drives.
- BOOT CD and press [Enter] then notice will appear a message window which is more or less as follows; BOOTSECT.EXE/NT60 H: (where “H” is the letter code of the flash disk drive)
- Now Copy the contents of Windows to a USB DVD.
Done , you now have a a bootable Windows 7 USB disk. You can now use to install Windows 7 from USB on any computer equipped with a feature boot from USB (most motherboards now support this feature).