By Lily / Last Updated October 22, 2019

What does “bootable USB drive” mean?

Nowadays, USB drive is becoming more and more popular among computer users because of its convenience in data storage and data transfer. Besides, more and more people use USB drive as bootable devices now, that is, bootable USB drive.

A bootable USB drive acts as a replacement of previously used CD-ROM which can be used to install various operating systems on a computer at the time the computer has loaded its BIOS settings. Whenever a bootable USB drive is plugged into a computer, it can be operated by changing the first boot priority settings in BIOS menu.

There is another common bootable USB drive which is called Windows To Go USB drive. It can be booted on any computers to create a Windows To Go workspace.

Why we clone bootable USB drive to another USB drive?

Bootable USB drive enables computer hardware to use a USB storage stick to get all essential system booting information and files. Now you see the importance of bootable USB drive. There’s no doubt that we need to clone bootable USB drive sometimes and in following cases you’ll find the necessity to clone bootable USB drive to another USB drive:

◈ Upgrade your original bootable USB drive to a larger one because it’s filled with stuff.
◈ Share the same system booting information and files with others by duplicating bootable USB stick.
◈ Make a backup of your present bootable USB drive in case that you lose it somehow.

To clone bootable USB to USB is not to simply copy and paste which may lead to program corrupted or OS unbootable. Cloning bootable USB drive is much safer and quicker and the cloned one will remain bootable.

How to clone bootable USB drive efficiently in Windows 7/8/10?

It is disappointing that Windows does not provide a direct way of disk cloning. To make the process successful, you need a professional bootable USB clone software to do it. Among hundreds of available software, AOMEI Partition Assistant Professional is one of the best.

It can clone bootable USB stick precisely by copying all contents on bootable USB drive including hidden or protected data, master boot record, slack space and so on. I’ll show you how to clone bootable USB drive in Windows 10 via AOMEI Partition Assistant as an example:

Step 1. Insert two USB drives and make sure they can be detected by your computer.

Step 2. Install and run AOMEI Partition Assistant. Click on "All Tools" and then "Disk Clone Wizard".

Disk Copy Wizard

Step 3. Choose disk copy method according to your own demands. Sector-by-Sector Clone enables you to copy all sectors from the source USB drive, so it takes more time than “Clone Disk Quickly”.

Copy Disk Quickly

Step 4. Choose the bootable USB drive as the source disk.

Select Source Disk

Step 5. Choose the new USB drive as the destination disk. If you want to clone bootable drive to SSD, you can check the option beneath to improve its performance.

Select Destination Disk

Step 6. You’re allowed to edit disk partitions now or any time else after cloning.

Edit Disk

Step 7. See “Pending Operations” and click “Apply” and then "Proceed" to execute the operation after confirmation.

Apply

After the seven steps are done, you can shut down your computer and boot from that USB drive. Usually, you press F12/DEL to enter BIOS interface when you see the first screen popping up and choose boot device there.

Summary

With AOMEI Partition Assistant, you can easily clone bootable USB to USB. What’s more, you can use it to create bootable USB, format bootable USB drive if you need.