Necessary to clone bootable USB drive
Nowadays, some computer users copy Windows ISO to USB to make it a bootable drive for rescuing a computer which won’t boot due to hard drive failure.
Since the bootable USB drive is quite important, you might want to clone it for a backup. However, the "Ctrl C+ Ctrl V" (copy and paste) method is not working for copying a bootable USB flash drive. Even if you successfully transfer all data from the bootable USB drive to another USB, the pasted boot files will be invalidated and the new drive won’t boot later. Thus, you need a professional bootable USB clone utility.
A free bootable USB clone tool for Windows PC
As mentioned above, cloning bootable USB drive requires the use of a bootable drive cloning tool. But countless similar software might make you feel totally puzzled about which one to choose. To clone bootable drive without boot failure, we highly recommend using AOMEI Partition Assistant Standard.
This free disk manager tool offers a feature named "Disk Clone Wizard", allowing you to copy a (bootable) entire disk to another one in Windows 10/8/7/XP/Vista. It can perform an exact copy of the contents stored on the bootable USB drive, even including its master boot record. Then, you can boot the computer from the destination disk with a success. Besides cloning (bootable) USB flash drive, it can also clone SD card, SSD drive and HDD.
How to clone bootable USB in Windows 10/8/7?
To clone a bootable USB drive, first of all, please download the free bootable USB clone software and install it on your Windows computer. Moreover, you may want to know:
This cloning process will delete all data on the destination disk, so back up everything necessary in advance.
The free version just supports cloning an MBR disk to another MBR disk, if you plan to clone MBR to GPT, GPT to MBR, or GPT to GPT, please upgrade to the Professional version.
Now download the freeware and perform the below steps:
Step 1. Launch this bootable USB clone tool. Click "All Tools" and then "Disk Clone Wizard".
Step 2. Select a way to copy the bootable drive, and then hit on "Next". Here we select "Clone Disk Quickly".
Clone Disk Quickly: only copied the used space to another drive, so it allows you to clone larger disk to smaller disk as long as the destination disk is larger than the used space of the source disk.
Sector-by-Sector Clone : copy all sectors, no matter it is used or not, to the target disk, so the destination disk must be larger the total space of the source disk.
Step 3. Select a source disk from the given list and click on "Next".
Step 4. Choose a target disk and click "Next" to continue. If it is an SSD drive, you can tick "Optimize the performance of SSD" option.
Step 5. In this window, you can adjust partition size on the destination disk. Then, click on "Next" button.
Step 6. Then you will get a note about how to boot OS from the destination disk afterward. Read it carefully and click "Finish".
Step 7. Back to the main interface, click "Apply" and "Proceed" to start cloning the bootable drive.
This powerful bootable USB clone tool makes it as easy as possible to clone bootable disk in Windows computer. Besides, it also enables you to migrate only OS drive to SSD. More amazing functions including converting boot disk from MBR to GPT, or GPT to MBR without data loss, splitting a large partition into smaller partitions, extending system drive without reboot are available in the Professional version. If you are running Windows Server, you can make use of AOMEI Partition Assistant Server.