Tag Archives: bootable usb

Manually Create a Bootable UEFI 64-bit USB Flash Drive (Windows 7, 8, 2008, 2012)

  1. Create bootable USB:
    • Open CMD (with runas administrator), and use the following command to create bootable USB:
      • diskpart
      • list disk  (to verify which disk is the USB)
      • select disk # (select the USB disk)
      • clean
      • create partition primary
      • format fs=fat32 quick
      • active
      • assign
      • exit
    • Copy all file from Installation CD/DVD to the USB. It should be already bootable for 32-bit.
  2. Make UEFI (64 bit) bootable:
    • On the USB flash drive, “copy” the efi\microsoft\boot folder up one level into the efi folder as efi\boot.
    • Use 7-zip to Open sources\install.wim on the USB flash drive,
      • Go to: \1\Windows\Boot\EFI\bootmgfw.efi
      • Copy bootmgfw.efi to somewhere (e.g. desktop), then close 7-zip
      • Rename the bootmgfw.efi into bootx64.efi.
      • Copy/Move the renamed bootx64.efi file into the efi/boot folder on the USB flash drive

How to Do a Clean Install of OS X Mavericks

Source: http://mashable.com/2013/10/23/clean-install-os-x-mavericks/

Download-mavericks_0This method works for almost all users — it keeps your data and existing programs intact and upgrades your machine to the latest OS. But sometimes, you might not want to do a regular OS upgrade.

It’s possible to do a clean install of OS X Mavericks on your Mac — or on a new hard drive, if you’re upgrading or repairing your Mac — but it takes a bit of work.

The process is a bit more complicated than it has been in previous years, but it’s still relatively easy to create a bootable copy of OS X Mavericks that you can run from a USB stick or other drive.

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How To Make Bootable USB

Having a bootable USB is very essential, especially if you are a Netbook user. Using bootable USB to install an operating system (OS) not only makes the installation faster, but also saves a DVD.

Creating or using an USB drive to install Windows operating systems is very easy if you follow the below mentioned steps.

If you are planning to use bootable USB to install Windows 7 or Vista please refer our guides:

Install Windows 7/Vista using bootable USB guide

And also, you can refer install Windows 7 on Acer Aspire One guide

Coming back to bootable USB guide, here we assume that you are using either Vista or Windows 7 to create a bootable USB.

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.

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.

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.

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)






(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.

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.

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)

7. Copy Windows DVD 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.