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How to Format A Bootable USB Drive

Posted on Jan 15, 2018 by Daisy to Partition Master

Have no idea to format or reformat a bootable USB drive on Windows 10/8.1/7? Don't worry, this tutorial guide comes to help users format bootable USB drive and make it work as a normal storage drive again.

"Hi, I'm thinking to format a bootable USB drive in Windows 10, but it's so weird that the formatted bootable drive is now with several MBs capacity. It should be 4GB size in total. What should I do to format bootable USB drive properly and restore its full capacity?"

Solution 1. Format bootable USB drive with EaseUS Partition Master

EaseUS Partition Master is disk/partition management software that allows users to fully control their hard drive storage like a piece of cake. This free partition manager is selected as the most powerful yet free USB format tool that supports to format bootable USB drive, memory card, pen drive and other hard disk storage devices very easily and quickly without losing the original size.

Download and install EaseUS Partition Master on your Windows computer. Connect your bootable USB drive with the computer correctly. Launch the software, and now let's start.

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 Windows 10 is supported

Step 1. Right-click on the bootable USB drive and select "Format partition".

select format partition to start to format bootable usb drive

Step 2. A mini window pops out, on which you can edit the partition label and choose a file system such as FAT/FAT32, NTFS, EXT2/EXT3.

format bootable usb drive to fat32, ntfs or other file system

Step 3. Click "Apply" and format the bootable USB drive.

Solution 2. Format bootable USB drive by using Diskpart command

For advanced users only. So, if you're average Windows users with a little technical background, don't attempt to use this method to format bootable USB drive.

Step 1. Press Windows key + R simultaneously, type cmd in the search box and open Command Prompt.

Step 2. Type diskpart . Run the Pop-up window that appears.

Step 3. Type list disk.

Step 4. Type select disk 0 (or disk 1... the number is the drive of the bootable USB that is going to be formatted).

Step 5. type clean.

Step 6. Type create a primary partition

Step 7. Go to My Computer or This PC (Windows 10), right-click on the bootable USB drive and select Format option to format it.

The two methods given above will help format bootable USB drive successfully and restore it back to original condition.