Create a bootable USB drive for macOS X versions including El Capitan, Yosemite, Mavericks, Sierra, High Sierra, Mojave, Catalina and Big Sur. Here is a detailed guide on how to make an Mac OS X El Capitan bootable USB flash drive using DiskMaker X, the easiest and most user-friendly method. Making The Bootable El Capitan USB Drive. We are all here for one thing, so lets dive right in at the deep-end and get started with the process. 1.Wefirst of all need the OS X El Capitan installer that we alluded to as a part of the “Pre-Requisites” Release the Mac App save and search for El Capitan. Invoke the down load technique, but when.

Introduction of Bootable CD

Bootable CD is a kind of special disc, which contains a bootable operating system. This operation system generally is a compact version of Linux or Windows PE. A disc which has been installed a compact operating system is called Bootable CD.

If the Windows operating system installed on hard disk, such as, Windows XP/Vista/7/8/10, can not boot or suffers a system crash, we can restore the operating system through a bootable CD so as to make the operating system on the disc work normally again.

It is always recommended to backup Windows drivers so as to restore them and insure a working computer after recovering system. Or you may download the magic tool Driver Talent for Network Card which is able to download and install network drivers without internet connection in case of no internet after system recovery.

Create bootable disc will help you boot your computer successfully. The bootable CD maker AOMEI Backupper supports creating two kinds of bootable CD or USB Flash Drive. One is Linux boot disc, and another is Windows PE boot disc. The former one can be created straightway, while the latter one may require installing Windows AIK kit in your operating system in advance. Linux boot disc has several drawbacks. For example, some hardware does not support it, such as, hardware RAID; and some functions of the software can not be used. Therefore, we strongly recommend creating Windows PE bootable CD first. The comparison of the available functions between these two types of disc is as follows.

Making Windows PE Bootable CD

When making a Windows PE bootable CD, the free backup software - AOMEI Backupper will check out whether your operating system meets the corresponding requirements. For instance, is it necessary to install Windows AIK? If it does, this software will provide corresponding notices. If your operating system is Vista or higher version of OS, such as, Windows 7/8/2008 R2/2011/2012, usually you can directly create a bootable CD without installing Windows AIK.

Here come the steps of how to create bootable disc with AOMEI Backupper.

Step 1. Under the 'Tools' tab, select 'Create Bootable Media' option.

Step 2. In the pop-up window, choose 'Windows PE-create bootable disc based on Windows PE' option, and then click 'Next'.

Step 3. In the pop-up window, select 'Burn to CD/DVD' option, and then click 'Next'. (Notes: you need a CD-burning program, and also you need to insert the CD/DVD into the CD-ROM, or the 'Burn to CD/DVD' option will not be available).

Step 4. When the operation is done, just click 'Finish' to exit the interface.
Here you have already made a bootable CD. Then, you can reboot your computer, and set the CD-ROM as the first boot device in BIOS settings and test if your computer can boot from the disc. Then, when something bad happens, you can perform windows 10 system image restore to different computer, even with dissimilar hardware.

Making Bootable USB Flash Drive or USB Disk

If you do not have a CD/DVD, but a USB flash drive, you can use a USB drive to replace CD/DVD, to create a bootable USB drive. The making way is the same as creating a bootable CD. You just need to see the following screenshot, select 'USB Boot Device' and click Next.

Making Linux Bootable CD

The way to create Linux bootable CD is just the same as those steps of creating Windows PE bootable CD/USB Drive. The only difference is that you can create this kind of CD at any time without meeting any requirement, or need a Windows AIK installation. Just like what has been said before, the compatibility of Linux bootable CD might be a little bit poorer.
The operating process of making Linux bootable disc is just similar to that of making Windows PE bootable disc. You can just refer to the steps above. Here is is screenshot:

During the process of making Linux CD, if you do not possess a CD, AOMEI Backupper allows you create a bootable USB drive. The only requirement is that, when choosing the bootable media type, select the USB Boot Device. Then you can boot the operating system from the USB disk to do the recovery operations.

Note: Linux bootable media does not support for EFI/UEFI boot, if your computer boot mode is UEFI mode, you need to enter into BOIS to change the BIOS boot mode from UEFI to Legacy Boot Mode like the following snapshot (you may also learn how to change the setting by referring to the manual of your motherboard).

Making Bootable ISO File

If you do not have CD or USB disk, or if there is a problem when making the bootable CD, you could create a bootable ISO file first, and then employ some burning software, like Nero to burn ISO file to a CD or USB disk.
Here come the operating steps of creating bootable ISO file.

First, select 'Create Bootable Media' option under the 'Utilities' item. Then, select the 'Export ISO file' option, and then click 'Next'.

At last, click 'Finish' when the operation has been done.

Now, after creating the ISO file, you can easily burn ISO to CD or USB with burning tool and follow the tutorial how to burn ISO file to CD/USB to burn this ISO file. Also, you can complete this task with the Windows 7 integrates built-in burning utility by right clicking this ISO file > Open With > Windows Disc Image Burner.

Note: If you don't want to create bootable disc, you could enable AOMEI Backupper recovery environment in Windows boot options menu, then boot from the recovery environment to backup, restore, clone data.

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DMG file is a compressed file format being used widely on Mac computer. Windows OS doesn't natively support DMG disk image files, so if you need to create a bootable USB drive from a DMG file, mostly for bootable Mac OS X or macOS installation USB, you need a special utility to help you complete the task.

There is also the possibility of converting the file into a format more suitable for Windows, which is the ISO file format for disk images. Considering the above, let's look at different ways to create a bootable drive from a DMG file on a Windows computer.

Part 1: Convert DMG to ISO and Make Bootable USB from ISO

Since Windows doesn't offer native support for DMG files, you can first convert the file to ISO. Why? A lot of easier to find an app for making a bootable USB from ISO file. The easy way to do this is to use Command Prompt. Don't be intimidated by the non-GUI environment even if you don't have any experience. If you follow the steps below, you can convert any DMG file to ISO and then create a bootable USB using the converted file.

Step 1: Open Command Prompt by typing cmd in the Run windows and hitting Enter.

Step 2: In the command interface, go to the directory in which the DMG file is saved. You can do this by using the 'cd' command followed by the file path, then pressing Enter. For example, if your disk image is in D: and Command Prompt is currently in 'C:', then type 'd:' (no quotes) and press Enter. If it is in a subfolder, type 'cd subfolder', and so on.

Bootable Flash Drive Creator

Step 3: Use the following command to convert the DMG file to ISO:

hdiutil convert /path/sourceimagefile.dmg -format UDTO -o /path/targetmage.iso

Step 4: Once the ISO file has been created, you can use a burning tool to create the bootable USB drive. To do that, continue with this guide.

Cons:

• File damged or broken after conversion.
• Failed booting from burned USB disk.
• May not work with the latest DMG file.
• Complex and take more time.

Part 2: Create Mac OS X Bootable USB Installer from DMG

Create Windows 10 Bootable Usb

Androidphonesoft DMG Editor is a powerful software application for Windows that will allow you to manage the non-native DMG format even if you have no experience. The interface is uncluttered, and you can even use the tool to view files, extract them, edit the DMG and even copy it to a disk. The burn function has one of the highest success rates in the industry, which makes this an ideal utility for our purpose.

Created by the talented team of developers at Androidphonesoft, DMG Editor is currently the most intuitive Windows app for handling Apple's disk image format. Each of its functions have been tested on various Windows versions, with different types of DMG files and on different PC brands. This thorough testing means no wasted DVDs or corrupted files. As long as your DMG file is in good shape, you can directly create a bootable disk.

Step 1 Install DMG Editor

Download and install DMG Editor on your Windows PC.

Bootable Os X El Capitan

Step 2 Plug in USB Drive

Launch the application and click on the 'Burn' section. You will also see other modules such as Edit, Extract.

Step 3 Load DMG File

Now import the DMG file by clicking the 'Browse' button and choose the USB drive name.

Step 4 Start Burning DMG to USB Drive

Click 'Burn' button at the bottom of window to start burning DMG file to USB drive. Once it get started, it displays a progress bar and you have to wait for the task to be finished. Usually, it takes 20 minutes depending on how large the file is.

In a few moments, your bootable USB flash drive will be ready for use. Since you haven't done any conversion, you can use this directly on a Mac for program installation, which you cannot do with the first method.

Part 3: Create Bootable USB from DMG in Windows Via PowerISO

Another well-known disk image utility is PowerISO. Apart from being ideal for burning ISO files, it can also burn a DMG file to USB to create a bootable drive. There are some settings that you have to keep in mind when burning with this software, but it's easy to get the hang of it once you do it a couple of times.

Step 1: Download PowerISO and install it in your Windows PC. Launch the app and insert a USB drive into a free USB slot in your computer.

Step 2: You can import the DMG file directly by clicking on ‘Burn' in the toolbar or going to Tools >Burn. In the Burn window, select the DMG file from the Source File section.

Step 3:Now review the settings to select the burn speed. The default will be the maximum your hardware can handle, so you can reduce that. You can also choose to finalize the disk and verify it. Finalizing means you can't save any more files on the drive, but it primarily applies to DVDs and CDs. Choosing ‘Verify' will prompt the software to execute an additional process after the burning is done. Any errors in the bootable USB will show up at that point.

Step 4: Now click on 'Burn' and wait for the progress bar to reach 100%. Your bootable USB is now ready.

Cons:

• Expensive for a single license.
• Higher failure rate for bootable device.
• Ugly user interface.

The Bottom Line:

The second two methods are recommended if you don't have much experience working with DMG files, but DMG Editor will appeal to novices and experts alike. The clean interface and minimal user input means a lower chance of errors while creating the bootable media.

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