How to Clone a Bootable USB Flash Drive to Another USB Drive

A bootable USB flash drive has many uses, such as installing an operating system, repairing system failures, restoring system backup, resetting Windows 10 password, etc. However, a bootable USB drive may stop working all of a sudden or become non bootable due to accidental deletion/writing of files. Of course, you can recreate a bootable USB drive, but this is usually a cumbersome and time-consuming task, especially when you need it urgently. So, it's a good idea to copy/clone an existing bootable USB flash drive to another USB flash drive for backup.

However, copying a bootable USB flash drive is not as easy as copying normal files. All the files that make the USB drive bootable, the partition table configuration, the metadata about the organization of the drive contents which tells a PC if it is bootable, and the MBR/GPT partition style must be copied. Simply copying and pasting files won't work. To create an exact copy of a bootable USB flash drive, you need a professional disk cloning tool. Now, on this page, we will show you two simple and free methods (tools) to clone a bootable USB flash drive to another USB drive in Windows 10.

• Way 1: Using iSumsoft Cloner
• Way 2: Using imageUSB

Way 1: Clone bootable USB flash drive to another USB drive using iSumsoft Cloner

iSumsoft Cloner is one of the most powerful and yet easy-to-use disk cloning software, which supports USB flash drive cloning. Follow these steps.

Step 1: Insert the bootable USB flash drive you want to clone and another available USB drive into the computer. The capacity of the second USB drive should equal to or larger than that of the existing bootable USB drive. Make sure both drives are recognized by the computer.

Step 2: Download and install iSumsoft Cloner on your computer. After installation, launch this software.

Step 3: Select the Disk Clone option at the top of the interface. Under this option, this software will detect all drives connected to the computer, including the USB flash drives, and display the status of each drive on the screen.

Step 4: From the drop-down menus, select the bootable USB flash drive as the source disk and another USB drive as the target disk.

Step 5: Click the Start button in the lower right corner to start cloning. Then just wait for the cloning process to complete. This takes a few minutes, depending on the capacity of the source USB flash drive.

Way 2: Clone a bootable USB flash drive to another USB drive using ImageUSB

Another way to clone a bootable USB flash drive is to create an image file (equivalent to compressed copy) of it, and then restore this image to another USB drive. This may be somewhat cumbersome, but it's effective especially if you want to keep a backup file of a bootable USB flash drive.

Insert the bootable USB flash drive you want to clone to the computer. Download the imageusb.zip and extract it to any directory in your Windows 10. Run the ImageUSB.exe application, and then follow these steps.

Section 1: Create an image of the bootable USB flash drive.

1. Select the bootable USB flash drive you want to clone.

2. Select the "Create image from USB drive" option.

3. Select a location to save the image file by the Browse button. You can select another USB drive or a local path on your PC .

4. Click the Create button to start creating the image file. Then wait for the creation process to complete. When the imaging is complete, you get an exact, compressed copy of the bootable USB flash drive. It is a file with a .bin suffix.

Section 2: Restore the image to another USB drive.

If you want to clone the bootable USB flash drive to another USB drive, simply restore/write the image file you just created to the target USB drive. Insert the target USB drive to the computer, run the ImageUSB tool, and then follow these steps.

1. Select the target USB drive to which you want to restore the image file of the bootable USB flash drive.

2. Select the "Write image to USB drive" option.

3. Select the image file you created before through the Browse button.

4. Cliquez sur le bouton Écrire pour commencer à écrire l'image sur la clé USB, puis attendez la fin du processus. Une fois le processus terminé, vous obtenez une clé USB amorçable clonée/copiée.

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