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Saturday, 9 September 2017

How to Install Windows 7 From USB Flash Drive

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Chances are you'll need to install Windows 7 from a USB device if you have a tablet, or small laptop or netbook device, few of which include optical drives as standard hardware.


This means that you must get the Windows 7 setup files onto a flash drive (or any USB based storage) and then boot from that flash drive to get the Windows 7 installation process started.


However, simply copying the files from your Windows 7 DVD to a flash drive won't work.

You have to specially prepare the USB device and then properly copy the Windows 7 install files to it before it'll work as you expect.


You're in a similar, but slightly easier to solve, situation if you've purchased a Windows 7 ISO file directly from Microsoft and need that on a flash drive.


No matter what situation you're in, just follow the instructions below to install Windows 7 from a USB device.Note: The following tutorial applies equally to whatever edition of Windows 7 you have a disc or ISO image of: Windows 7 Ultimate, Professional, Home Premium, etc.
What You'll Need:

A Windows 7 ISO or DVD [See Where Can I Download Windows 7? for information on getting an ISO image, or buy a new Windows 7 DVD from NewEgg.]
A 4 GB (or larger) flash drive 

Access to a computer with Windows 7, 8, 10, Vista, or XP installed and working properly, as well as with a DVD drive if you have a Windows 7 DVD

How to Install Windows 7 From USB

Correctly preparing a USB drive for use as an installation source for Windows 7 will take around 15 to 30 minutes depending on your computer speed and what edition of Windows 7 you have on DVD or in ISO format
Important: Start with Step 1 below if you have a Windows 7 DVD or Step 2 if you have a Windows 7 ISO image.
  1. Create an ISO file from the Windows 7 DVD. If you already know how to create ISO images, fantastic: do it, and then come back here for further instructions on what to do with it.

    If you've never created an ISO file from a disc before, check out the tutorial linked above. It'll walk you through installing some free software and then using it to create the ISO. An ISO image is a single file that perfectly represents a disc... in this case, your Windows 7 installation DVD.
  2. Step1: Create Bootable USB Drive
    1. Start PowerISO (v6.5 or newer version, download here).
    2. Insert the USB drive you intend to boot from.
    3. Choose the menu "Tools > Create Bootable USB Drive". The "Create Bootable USB Drive" dialog will popup. If you are using Windows Vista or above operating system, you need confirm the UAC dialog to continue.


    4. In "Create Bootable USB Drive" dialog, click "..." button to open the iso file of Windows operating system.
    5. Select the correct USB drive from the "Destination USB Drive" list if multiple USB drives are connected to the computer.
    6. Choose the proper writing method. "USB-HDD" is recommended.
    7. Click "Start" button to start creating bootable USB drive.
    8. PowerISO will alert you that all data on USB drive will be destroyed. Click "OK" to continue.


      The program will start writing USB drive, and showing the progress information. You should get the message "Writing USB drive completed successfully." after the operation completes.


    If no errors occurred in the above process, you should now be all set to setup Windows from USB drive!

    Step 2: Configuring the BIOS
    You should now reboot and go into the BIOS configuration to boot from USB. Instructions for doing so wildly from system to system, but generally entail the following:
    1. Reboot the system.
    2. While booting (before Windows starts loading), get into the BIOS configuration screen by hitting something like F1, F2, Delete or Escape. Hotkey instructions are generally provided on the screen.
    3. Go to the section that contains your boot devices.
    4. With your USB drive plugged in, the USB drive should be listed. If it isn’t, your system might not support booting from USB. Assuming that it is supported (as is the case with virtually all modern hardware), promote your USB drive to the primary boot device.
    5. Exit from the BIOS configuration, saving all changes.
    Please notice that you can seriously screw up your system by providing incorrect BIOS settings!

    Step 3: Booting and setup windows from USB drive
    Assuming that you properly configured your BIOS and your USB drive supports booting,  Windows setup should now load. Depending on the speed of your USB drive, this may take a while.
    If it isn’t working, then double-check the following before making a scene:
    • Is your BIOS properly configured for booting from the USB device? (Is the USB device listed and does it have top priority?)
    • Have you correctly prepared the USB drive in step one? (Restart the procedure.)
    • Does your USB drive properly support being booted from? (Try another one!)

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