Launch diskpart through Run ( Win+R) or cmd.exe, then enter the following, line by line. You have successfully removed the EFI partition. Alternatively, if you're in a Windows machine you can also use diskpart. Now your USB will no longer show two partitions when plugging into a PC. It’s time to ready to reformat correctly this time.ĭepending on the need of your USB, FAT32 is a common universal format that is suitable for storing files across OS platforms. See the System Event Log for more information.Īs long as the Disk Management showing all unallocated data for the USB drive you have successfully wiped out the USB drive. Right-click the existing partition on the external hard drive, select Delete Volume and choose to remove the partition. It’s ok if sometimes DiskPart report encountered an error: The system cannot find the file specified. Follow the steps below after inserting your USB drive into your PC. Here is my USB drive showing as Disk 2, so for me, I enter “ select disk 2“, yours might be different. Soon diskpart will list all the hard drives on your computer, including your USB flash drive. Find the USB drive and select the disk by select disk x(# of disk) Press Windows + R simultaneously, type cmd, click 'OK' to open an elevated command prompt. It shows all the disks currently on your system. By using the Diskpart command, you can make sure that all partitions from a USB drive are safely removed. fsdisk is a Linux command-line tool for the installation of hard drives. Next, you want to list all the disks connected to your PC by type the below command within diskpart list disk Use a command-line utility like fdisk or EaseUS Partition Master if you want to manage your partitions. Launch Command Prompt as Administrator > type diskpart There is still another way around, command line diskpart to the rescue. You can’t Delete Volume, nor Shrink Volume nor Extend Volume to merge with other partitions. When going to Disk Management, right-clicking on the problematic USB drive, you will find out that all options are grayed out. It’s odd that if your USB is in this state, it’s better to correct the format before using it for data transfer as people might get confused by all the two new partitions shown up on their PC.īut Windows’ Disk Management doesn’t allow you to remove this partition. Locate the partition on a USB flash drive, right-click it and choose Format. Sometimes when you plug in a USD drive, it shows EFI and FAT32/NTFS partition at the same time.
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