Format your boot drive using Mac OS Extended (Journaled). My drive was initially formatted as APFS, and an alert appeared saying that the drive could not be used as formatted. Get the macOS Big. Right-click on the USB drive in the disk-map and click format volume; Confirm the operation and Commit it in the main interface; Bootable USB hard drive format utility Create Bootable USB for Partition Expert 'I need a utility that is bootable that will allow me to format a hard drive. When I use the tool in the windows boot disk it doesn't help.
After making a Bootable USB drive for installing Operating Systems like Ubuntu via Pen drive using softwares like PowerISO, when you format your pen drive using Windows or Ubuntu it will show about only 2 MB of memory in a 4 GB pen drive. Follow the steps to format the pen drive properly and restore it back to its original condition. At the command prompt, type 'select disk x', where x is the drive number or drive letter of the USB flash drive, and then click ENTER. Type 'clean', and then click ENTER. This command deletes all data from the USB flash drive. To create a new primary partition on the USB flash drive, type creates partition primary and then click ENTER.
Format Flash Drive For Bootable Macos
This tutorial is going to show you how to create or restore Mac OS X dmg file into a USB flash disk. In other case, we can create Mac OS X bootable flash disk with this method. I am using Trans Mac version 11.1 on this tutorial. Trans Mac is a Windows application that can be used to restore dmg files and create Mac bootable USB disk.
TransMac features:
- Open Mac format disk drives, flash drives, CD/DVD/Blu-ray media, dmg, dmgpart, sparseimage and sparsebundle files.
- Copy files to Mac disks and dmg images.
- Format for Mac and restore disks and flash drives.
- Create, compress and expand (convert to iso) dmg files.
- Built in media burner functionality to burn ISO and dmg files directly to CD/DVD/Blu-Ray.
- Read Mac multi
1. Download TransMac from the official website. You may try this software for 14 days for free
2. Install TransMac on Windows
3. Insert USB disk and then Open TransMac. Right click onthe USB Flash disk and select Format Disk for Mac. Please note that this command will erase the entire disk and format it.
Format A Bootable Usb Drive
4. Once finished, right click on the usb disk again and select Restore with Disk Image
Bootable Usb Disk Format Utility
Browse your DMG file and press OK.