By Emily / Last Updated October 30, 2019

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 Copy", allowing you to copy an 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 computer from the destination disk in 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 freeware 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 perform the below steps:

Step 1. Launch this bootable USB clone tool. Click "All Tools" and then "Disk Clone Wizard".

Tools

Step 2. Select a way to copy the bootable drive, and then hit on "Next". Here we select "Clone Disk Quickly".

Copy Methods

Notes:

  • 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".

Source Disk

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.

Target Disk

Step 5. In this window, you can adjust partition size on the destination disk. Then, click on "Next" button.

Edit

Step 6. Then you will get a note about how to boot OS from the destination disk afterward. Read it carefully and click "Finish".

Note

Step 7. Back to the main interface, click "Apply" and "Proceed" to start cloning the bootable drive.

Apply

Summary

This powerful bootable USB clone tool makes it as easy as possible to clone bootable drive 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 are available in the Professional version.