Format an External Disk or a Flash Drive for Mac using Disk Utility in OS X El Capitan and macOS Siera. Formatting an external disk or flash drive in macOS Sierra is little different that formatting it in Mavericks and lower versions of OS X. Disk Utility was changed with the release of OS X El Capitan. Next click on Device Manager and then expand out Disk Drives. You should see your USB drive listed there as “Generic USB 2.0 USB Drive” or something similar. Now right-click on the USB drive under Disk Drives and choose Properties and then go to the Policies tab. Now you will see two options, the Optimize for quick removal selected by default. Why Need to Format Bootable USB Drive? Bootable USB drive is a kind of helpful assistant in many situations. If you cannot access Windows, the bootable USB drive you created before can help you enter into Windows PE or Linux environment for further operations. Sometimes, to backup hard drive or system, the bootable USB stick helps. What’s more, USB drives are easy to carry and easy to save. One bootable USB stick can apply to different computers. Well, with so many conveniences it brings to us, why would we want to format bootable USB stick? As we know, USB flash drive comes with larger capacity and reasonable price in recent years. As time goes by, current bootable USB may not meet your computing requirements any more. In that case, you can choose to or to format bootable USB drive in Windows 7 and create another new bootable device. Also, when you no longer need the bootable USB, it is not a bad choice to for new files. Surely, other conditions might result in bootable USB drive formatting as well. The key point is to find out how to format bootable USB to normal. Can We Format Bootable USB Drive in Windows 10/8/7/XP? Obviously, the answer is positive. Bootable USB drive is no different than normal USB drive except for the starting programs and Windows pre-installed environment. Therefore, you can format bootable flash drive as usual in some cases. On Windows alone, there are two bootable USB drive format utilities: Disk Management and Diskpart in Command Prompt. Plug in the bootable USB drive when you running Windows and then type “ diskmgmt.msc” in Run box to start Disk Management. Right click the bootable drive and select “Format”. Then follow the wizard to complete the formatting. One can not only but also format bootable USB stick with this application. Steps are quite easy as well. First, type “ diskpart” in Run box to start Command Prompt. Second, input following commands in turn and remember to press Enter after each move. • list disk • select disk X (X stands for the disk number of your bootable USB drive) • clean • create partition primary • format fs=fat32 quick or format fs=ntfs quick (select one file system based on your own needs) • exit No cumbersome steps required can you format the bootable USB flash drive. Nevertheless, sometimes you cannot complete formatting using both methods. Besides, all operations take place immediately so that you cannot step back. No matter from which side, finding another powerful bootable USB drive formatter is recommendable. How to Format Bootable USB Drive via AOMEI Partition Assistant? Is reliable and well-known disk partition manager that allows you to, for example, in Windows 10, 8.1, 8, 7, XP and Vista. This bootable flash drive format utility can assist you format USB drive to NTFS, FAT32, Ext 2 or Ext3 for different uses. During the format process, you are allowed to change cluster size of the file system. If you just want to wipe data on the USB drive like, it supports wipe partition up to 100 times. It has user-friendly interface and provides demo version. To have a try. Plug in the bootable USB drive when you running Windows. Install and launch AOMEI Partition Assistant. Right-click the bootable flash drive and select “Format Partition”. Set file system and cluster size and then click “OK”. Can you use a mac as a screen for a windows laptop. This is the virtual result. Click “Apply” to make it real. Tips: If you want the USB drive to bootable again, try “Make Bootable Media” in this software to create a bootable device with Windows PE, and you can use this bootable USB to format hard drive in WinPE mode without booting Windows. Except for formatting bootable USB drive, AOMEI Partition Assistant is also an, HP USB format tool and utility. In addition, you are able to if the need ever arises.
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March 2019
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