Mac Is Booting Software From Drive Instead Of Installing

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Jun 08, 2020 • Filed to: Solve Mac Problems • Proven solutions

Mac is booting software from drive instead of installing windows

A Universal Serial Bus or USB drive, also known as a flash drive is a portable data storage device that includes a memory which includes a USB interface. It is typically removable and much smaller than an optical disc. Any sort of data can be stored in this device. The drives are available in various sizes and as of till date, the 2TB(Tera-Byte) flash drives in terms of storage capacity are the largest ones available in the market.

Jul 14, 2020  In this video walkthrough, I show you step-by-step how to deploy a Windows installation using Boot Camp drivers on an external drive connected to your Mac. Boot your Mac. If you want to use your USB stick with an Apple Mac, you will need to restart or power-on the Mac with the USB stick inserted while the Option/alt (⌥) key is pressed. This will launch Apple’s ‘Startup Manager’ which shows bootable devices connected to the machine.

Today, these drives are one of the most consumed used devices in the world. Thanks to their portable nature, affordability, and compatibility, USB drives are being used to send and receive endless information across a surplus of networks and platforms all around the globe. This small tool has opened the world to a stream of limitless options with respect to storing, transferring, copying data, and much more. One of them includes Booting the Mac from such device.

Part 1. Reasons for Mac Boot from USB:

Booting the Mac from USB in a way gives the power back to the user. The likeliest of the reason for choosing the boot from USB method is that your Mac won’t start which denies the user access to the computer. Using from an external source like the USB drive helps the user get around the problem. It provides the user access to contents of the internal drive, assuming the data is safe and not corrupted. It also helps to repair the Mac disk with Disk Utility and other tools. Here are the top reasons why the user should choose to Boot Mac from USB:

  • Allows the user to install a different version of MacOS.
  • It allows the user to test a new version before you make the decision to upgrade.
  • Allows risk-free testing of the Beta version.
  • Faster and efficient.
  • By installing older versions through USB, it permits certain Apps to run which are not compatible with the latest MacOS.

Part 2. Preparations for Booting Mac from USB:

To ensure a risk-free procedure certain measure should be taken:

  • The user should buy a name-brand flash drive.
  • The USB should contain 16-32GB of free space.
  • The user should scan the flash drive with some reputable Anti-Virus software.
  • The user should check to see what size of ports they have on the Mac. A 12’ Mac only contains a single C-Type port.
  • Make sure to purchase the C port flash drive to avoid any inconvenience.
  • It is adviced that the user should go with a USB 3.0 supported drive, with a size of 16GB to ensure a swift transfer of data.
  • The USB drive should be formatted with a supported GUID partition.
  • It should contain an OS X installer or a usable operating system to work with.

Part 3. How to Create Bootable USB on Mac:

There are a few general guidelines that can help get your machine started which are mentioned above, regardless of the OS the user prefers.

Here are the methods to create a bootable USB drive on Mac.

  • Creating a Bootable USB Using Terminal.
  • Create a Bootable drive with the help a third party compression software, which is available for free.

Creating a Bootable USB Using Terminal:

Terminal is the default gateway to the command line on a Mac. It is just like the Command Prompt feature works for MS Windows. Mac tax software. The Terminal feature ensures a hassle-free experience for the Mac user without the conventional pointing and clicking, the user just has to type the commands and the computer does the rest. The user can find Terminal in the Applications>Utilities folder or it can be checked in the finder utility.

Using the Terminal feature is the most simple way to create the bootable USB drive. The user just needs to follow one easy step which is renaming the MyVolume portion of the command with the name of the drive. The name of the drive can be changed using the Disk Utility of Mac.


Here are the steps required after opening the Terminal feature to create a bootable USB drive.

  • Copy and paste the command which is suited for the version of the operating system into the Terminal window.
  • The command for MacOS Mojave is as follows:

    • sudo /Applications/InstallmacOSMojave.app/Contents/Resources/createinstallmedia --volume/Volumes/MyVolume

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  • Press the Return key.
  • Enter the password.
  • Confirm to erase the USB drive by typing Y followed by the Return key.
  • Terminal will erase all the data inside the drive and create the bootable USB drive.

If there is a need to install a different version of the operating system then the user just has to replace the above-underlined command with their desired version of OS. For example, if the user wants to install Mac OS Sierra instead of Mojave then they would have to replace “Mojave.app” with “Sierra.app” inside the command line.

Part 4. How to Boot Mac from USB Media:

After creating a bootable USB drive, the user simply needs to plug the created drive into the open port on the Mac. Here are the steps to boot Mac from the USB flash drive:

  • Power on the system.
  • Press and hold the Option (Alt) key on the keyboard when the computer starts.
  • Select the USB drive as a startup disk when the option appears.
  • The system will start the boot process off the USB drive.
  • Install the operating system from the MacOS utilities.
  • Data can be restored by using the Time-Machine backup option.

Part 5. How to Recover Data from Unbootable Mac:

The Mac becomes unbootable when the BIOS which is a firmware that is used to perform hardware initialization during the booting process fails to recognize the startup process. It usually happens when there is a failed system update, system crash, damaged MBR, or when the drive becomes corrupt.

Recoverit Mac Data Recovery tool is the most efficient option to recover all the lost data when Mac becomes unbootable. Developed by Wondershare, Recoverit is one of the most preferred recovery tools in the world. The tool provides an instant preview of what is recovered after a detailed scan. It allows to connect almost every type of portable device and recover data from them. Data can be restored by performing the recovery and repair process. The process involves the installation of the Recoverit software that offers users the chance to get back the important data that they had lost.

First of all, the user is required to download the Recoverit software on Mac system from the official website. Here are the following step required to recover data from an unbootable computer:

  • Installation: Please Install Recoverit by clicking on the icon.
  • Select the folder: Select the “Recover from Crash Computer” option.
  • Initiate Recovery Process: Click on “Start” for the recovery process to launch.
  • Create Bootable Drive: Select the “Create USB bootable drive” option and click on “Create”.
  • A pop up will appear that will prompt the user to format the USB drive.
  • Format the Drive: Click on “Format” Now.
  • The process will start that will create a bootable flash drive.
  • Recover Data: After the boot is completed, click on the ”View Guide” option to recover data.
  • Start Recoverit: Launch the Recoverit software again.
  • Recover Data: Scan the drives for lost data.

All hope gets lost when the computer becomes unbootable and the data gets deleted. Recoverit recovery software is the most convenient program when it comes to retrieving lost data from the computer.

Conclusion:

Mac is booting software from drive instead of installing windowsMac is booting software from drive instead of installing windows 7

Installing the MacOS from a USB flash drive gives the user an instant solution when the Mac installer due to some reason refused to work. The method to create a bootable drive is easier than it sounds. Now, you know what to do whenever you want to upgrade your MacOS from a bootable external source by following different methods to ensure a safe and hassle-free process. If you lose valuable data when the Mac becomes unbootable then you can easily recover the lost files by using the Recoverit recovery software. Recoverit guarantees data recovery in no time.

Video Tutorial on How to Boot Mac into Recovery Mode

Mac Is Booting Software From Drive Instead Of Installing Windows 7


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To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your Mac, or after your Mac begins to restart. Keep holding until the described behavior occurs.

  • Command (⌘)-R: Start up from the built-in macOS Recovery system. Or use Option-Command-R or Shift-Option-Command-R to start up from macOS Recovery over the Internet. macOS Recovery installs different versions of macOS, depending on the key combination you use while starting up. If your Mac is using a firmware password, you're prompted to enter the password.
  • Option (⌥) or Alt: Start up to Startup Manager, which allows you to choose other available startup disks or volumes. If your Mac is using a firmware password, you're prompted to enter the password.
  • Option-Command-P-R:Reset NVRAM or PRAM. If your Mac is using a firmware password, it ignores this key combination or starts up from macOS Recovery.
  • Shift (⇧): Start up in safe mode. Disabled when using a firmware password.
  • D: Start up to the Apple Diagnostics utility. Or use Option-Dto start up to this utility over the Internet. Disabled when using a firmware password.
  • N: Start up from a NetBoot server, if your Mac supports network startup volumes. To use the default boot image on the server, hold down Option-N instead. Disabled when using a firmware password.
  • Command-S: Start up in single-user mode. Disabled in macOS Mojave or later, or when using a firmware password.
  • T: Start up in target disk mode. Disabled when using a firmware password.
  • Command-V: Start up in verbose mode. Disabled when using a firmware password.
  • Eject (⏏) or F12 or mouse button or trackpad button: Eject removable media, such as an optical disc. Disabled when using a firmware password.

If a key combination doesn't work

If a key combination doesn't work at startup, one of these these solutions might help:

  • Be sure to press and hold all keys in the combination together, not one at a time.
  • Shut down your Mac. Then press the power button to turn on your Mac. Then press and hold the keys as your Mac starts up.
  • Wait a few seconds before pressing the keys, to give your Mac more time to recognize the keyboard as it starts up. Some keyboards have a light that flashes briefly at startup, indicating that the keyboard is recognized and ready for use.
  • If you're using a wireless keyboard, plug it into your Mac, if possible. Or use your built-in keyboard or a wired keyboard. If you're using a keyboard made for a PC, such as a keyboard with a Windows logo, try a keyboard made for Mac.
  • If you're using Boot Camp to start up from Microsoft Windows, set Startup Disk preferences to start up from macOS instead. Then shut down or restart and try again.

Remember that some key combinations are disabled when your Mac is using a firmware password.

Learn more

Mac Is Booting Software From Drive Instead Of Installing Windows

  • Learn what to do if your Mac doesn't turn on.
  • Learn about Mac keyboard shortcuts that you can use after your Mac has started up.