May 06, 2020 Disk Drill is the free top data recovery app for Mac OS X. Disk Drill Basic, in addition to having previewing capabilities for recovered files, contains several other functionalities, such as Recovery Vault and Guaranteed Recovery, lost partition restoration, boot disk maker and so on, which make it one of the best Mac data recovery software. Nov 14, 2019 The next time when your computer doesn't boot, you can quickly solve it by performing a system restore or system image recovery if other fixes don't work. The Bottom Line. When a PC or laptop fails to boot, the bootable data recovery software is helpful. May 08, 2017 If you don't have a bootable backup, or a way to get a Mac drive, you will need to boot the computer from another operating system. First, try to boot your Mac in Recovery mode, holding down Cmd-r on restart. If that doesn't work, try for Internet Recovery, which is restart and hold down Cmd-Opt-R.
Summary
Many computer users have encountered boot failure at one time or another. Some users may solve the issue successfully and can boot into their computers again. While others may fail to deal with it and get a non-working computer. In such cases, the last resort is to create a bootable media packaged with data recovery software or other similar utilities to recover all the precious data. And that's what EaseUS Data Recovery Wizard can do for you.
What Kind of Boot Failure You May Encounter
There are several common situations that suggest a boot failure.
When done in Recovery mode, run the following from the Terminal in Recovery mode: nvram -d recovery-boot-mode This deletes the firmware variable so that the next boot is a normal boot. If Recovery boot fails and you cannot progress, you could also remove the firmware variable by holding down the keys Command, Option, P, and R during boot. After upgrading to macOS Mojave, you may find that Boot Camp Assistant is no longer supported and thus creating a bootable USB turns out to be a little bit challenging. In this tutorial we’ll show you how to create Windows 10 bootable USB from ISO on Mac, by using the Terminal or third-party software.
The computer is stuck at the 'Preparing Automatic Repair' screen or the Automatic Repair loop
You receive the error message: 'DISK BOOT FAILURE - INSERT SYSTEM DISK AND PRESS ENTER'
You see a blue screen of death showing 'Your PC ran into a problem and needs to restart'
A black screen displays 'Boot Device Not Found - Please install an operating system on your hard disk'
There are many other situations or error messages that imply you can't boot into Windows. Generally, to fix a computer that won't boot, you will need to try the features in advanced options to fix the issue, which may require the Windows installation media. In a word, it's not easy to fix boot related problems. Even if you applied the solutions, you might fail to cope with the issue. That's why so many users choose to rescue the data on the computer directly or as the last resort.
What You Need: Bootable Data Recovery Software
How to recover data from a PC or laptop that won't boot? By creating a bootable USB, CD, or DVD packaged with a data recovery utility, you can boot the problematic computer from the bootable media and then use the data recovery software in the environment to recover all the files from the computer. That's precisely what EaseUS Data Recovery Wizard with Bootable Media, the bootable data recovery software, can do for you. The software will create a Windows Preinstallation Environment (WinPE) with EaseUS Data Recovery Wizard installed on the USB, CD, or DVD, which allows enables you to start the computer and rescue the files.
Important tips for using EaseUS bootable data recovery software
Prepare an empty storage device: a USB flash drive, external hard drive or CD/DVD (CD/DVD recorder is needed)
Prepare healthy computer via which you can create the bootable disk
You will need to change the boot sequence in BIOS to boot the computer from the bootable disk
EaseUS bootable data recovery software won't work to retrieve your data if the PC hard drive is physically damaged
Steps to Create a Bootable Media with Data Recovery Software
Ready? Let's see how to create a bootable USB/CD/DVD with EaseUS bootable data recovery software.
Step 1. Create a bootable disk
1. Preparations.
An empty USB. If you have important data on it, copy the data to another device. When you create a bootable disk, the data on the USB will be erased.
EaseUS Data Recovery Wizard WinPE Edition will help you create a bootable disk.
2. Details.
Connect the USB drive to PC, launch EaseUS Data Recovery Wizard WinPE Edition.
EaseUS Data Recovery Wizard WinPE Edition will recognize your CD/DVD device or USB drive automatically. You can also export the ISO file.
Select the USB drive and click 'Proceed' to create a bootable disk.
Step 2. Boot from the bootable USB
Connect the bootable disk to PC that won't boot and change your computer boot sequence in BIOS. For most users, it works well when they restart their computer and press F2 at the same time to enter BIOS.
Set to boot the PC from 'Removable Devices' (bootable USB disk) or 'CD-ROM Drive' (bootable CD/DVD) beyond Hard Drive. Press 'F10' to save and exit.
Step 3. Recover files/data from a PC/laptop hard drive that won't boot
When you boot from the USB, you are able to run EaseUS Data Recovery Wizard from the WinPE bootable disk.
1. Select the disk you want to scan to find all your lost files.
2. Click Scan to start the scanning process.
3. Recover data from the computer or laptop.
After the scan completed. You can preview all recoverable files, select the targeted files and click 'Recover' button to restore your files. You'd better save all of the recovered data to another place to avoid data overwriting.
How to Prepare Yourself for a Boot Issue
A boot failure is one of the most severe issues that may happen to a computer. Once it occurs, you can't stop it regardless of how much you didn't will it. In most of the cases, it just appears unexpectedly and leaves you in anxiety. It's necessary to learn how to solve the problem. But more importantly, you should know how to prepare yourself for a potential boot related problem.
Create System Restore Points
Most of the boot issues are due to system changes. A system restore point enables you to perform a system restore that will revert your computer to a working point when boot failure arises. To create a system restore point:
Step 1. Type create a restore point in the search bar.
Step 2. Click 'Create a restore point' from the search result.
Boot Recovery Software For Mac Windows 7
Step 3. Click 'Create' under the 'System Protection' tab to make a system restore point.
Create a System Image
The Backup and Restore feature in Windows can help you create a system image, which is a copy of the Windows system drive(s). Besides, you can also add other partitions to back up together with the system drives. With the system image, you are incapable of restoring the computer which stops working.
Step 1. Prepare a large enough EXTERNAL hard drive and connect it to the computer.
Step 2. Type control panel in the Windows search bar and choose 'Control Panel' shown in the result.
Step 3. Choose 'Backup and Restore' and click 'Create a system image'.
Step 4. Check 'On a hard disk' (you can change the backup location according to your needs) and click 'Next'.
Step 5. Select the partitions you can to include in the system image and click 'Next'.
Step 6. Follow the on-screen instructions to start creating a system image.
The next time when your computer doesn't boot, you can quickly solve it by performing a system restore or system image recovery if other fixes don't work.
Mac Boot To Recovery
The Bottom Line
When a PC or laptop fails to boot, the bootable data recovery software is helpful in retrieving the data stored on the computer hard drives. Besides, you can also create a bootable media with disk cloning software, which can also help you extract data from the computer.
How can I make a bootable Windows installation USB on Mac OS X? After upgrading to macOS Mojave, you may find that Boot Camp Assistant is no longer supported and thus creating a bootable USB turns out to be a little bit challenging. In this tutorial we’ll show you how to create Windows 10 bootable USB from ISO on Mac, by using the Terminal or third-party software like UNetbottin.
Method 1: Create Windows 10 Bootable USB on Mac Using UNetbottin
UNetbootin is a free, open source utility that allows you to create bootable USB drives on Windows, Linux, and Mac OS X. If you’ve downloaded Windows 10 ISO image, here is how you can create a bootable Windows installer USB on Mac using UNetbootin.
Plug a USB drive into your Mac and open Disk Utility. Select your USB drive from the left panel and click on Info button. Note down the device name since we will need that later.
Next, download and launch the UNetbottin utility. Select the “Diskimage” radio button, click “…” to select a bootable ISO image.
After locating your Windows 10 ISO file, click on Open.
Choose Type as USB Drive and select the device name of your USB drive (you probably would’ve noted it down earlier, so refer to that). Click OK to start installing to the USB drive.
This process takes several minutes or longer, depending on the size of your selected ISO image.
Method 2: Create Windows 10 Bootable USB on Mac Using Terminal
Of course, if you prefer not to use third-party software, you can still use the excellent Terminal app, which is a little bit more involved, but no additional software needs to be installed. Follow these steps:
After connecting a USB drive to your Mac, open a Terminal window and type diskutil list to display all the disks attached to your machine. You have to figure out the disk identifier of the USB drive you need to format. In my example, my USB drive is mounted as “disk2” and it’s about 32GB.
Next, run the following command to format your USB drive and name it “WIN10“, where # is a placeholder for the disk identifier of your USB drive. diskutil eraseDisk MS-DOS 'WIN10' GPT disk#
Now, mount your Windows 10 ISO image with the command below, assuming it’s saved the Downloads folder. In my case, it is mounted as a volume named “ESD-ISO“. hdiutil mount ~/Downloads/your_windows_10_image.iso
Finally, run the following command to copy all the files from the mounted ISO to your USB drive. cp -rp /Volumes/ESD-ISO/* /Volumes/WIN10/
This command will take a while, and once it finishes, you can disconnect the mounted ISO with this command: hdiutil unmount /Volumes/ESD-ISO
Now you should be able to boot from the USB to install Windows 10 on your Mac or Windows machine.
Conclusion
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These should be the easiest ways to create a Windows 10 bootable USB from ISO on Mac, without using Boot Camp Assistant. No matter which method you prefer, be sure that you backup any important data on your USB drive, as the procedure of creating bootable USB will delete everything on it.