1. Make Bootable El Capitan Usb On Catalina Free
2. Macos Catalina Usb
3. Create Windows 10 Bootable Usb

A step by step tutorial that shows how to create a bootable USB flash drive for OS X 10.11 El Capitan.Full guide: http://www.idownloadblog.com/2015/06/20/cre.

1. El Capitan:. If your Mac is using macOS Sierra or earlier, include the -applicationpath argument and installer path, similar to the way this is done in the command for El Capitan. Create Bootable Usb Mac Catalina Hackintosh. After typing the command: Press Return to enter the command.
2. May 13, 2021 Connect the USB flash drive or other volume that you're using for the bootable installer. Open Terminal, which is in the Utilities folder of your Applications folder. Type or paste one of the following commands in Terminal.
3. OS X El Capitan; Create the bootable Catalina USB drive. After everything has been downloaded, there is another few steps that you’ll need to take. First and foremost, make sure that that drive has at least 12GB of available storage. Then, plug the USB flash drive into your Mac.
4. Jan 31, 2021 presumably because quite reasonably it would not make sense to install on top of a later version of the OS. However in this case I want to create a boot USB drive for an installation on another Mac. I am stuck in a chicken and egg situation where I need another machine running El Capitan or earlier to create and El Capitan boot installer.

1. To create a bootable El Capitan installer drive, you need the El Capitan installer from the Mac App Store and a Mac-formatted drive that’s big enough to hold the installer and all its data.
2. Select OS X El Capitan installer on the USB flash drive and then press Return to start up the Mac from the installer. Before you can clean install OS X El Capitan, you must first erase the current startup drive that holds the older version of OS X. Select Disk Utility and Continue.
3. Remember, Time Machine doesn't produce backups you can boot from. You would need to have used an app that can create clones, such as Carbon Copy Cloner, SuperDuper, the Disk Utility Restore function (OS X Yosemite and earlier), or use Disk Utility to clone a Mac's drive (OS X El Capitan and later).

These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.

Every time I’ve tried to create the bootable installer, Terminal gives me the same answer: To use this tool, you must download the macOS installer application on a Mac with 10.12.5 or later, or El Capitan 10.11.6. Remember, this method is not the same as a clean install, and it only reinstalls the version of OS X that is currently running on the Mac (shown here with El Capitan), whereas Internet Recovery will reinstall the version of OS X that shipped with the Mac (in this case it would have been Yosemite) instead. Obviously the versions of OS X will.

What you need to create a bootable installer

• A USB flash drive or other secondary volume formatted as Mac OS Extended, with at least 14GB of available storage
• A downloaded installer for macOS Big Sur, Catalina, Mojave, High Sierra, or El Capitan

Download macOS

• Download: macOS Big Sur, macOS Catalina, macOS Mojave, or macOS High Sierra
  These download to your Applications folder as an app named Install macOS [version name]. If the installer opens after downloading, quit it without continuing installation. To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
• Download: OS X El Capitan
  This downloads as a disk image named InstallMacOSX.dmg. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It installs an app named Install OS X El Capitan into your Applications folder. You will create the bootable installer from this app, not from the disk image or .pkg installer.

Use the 'createinstallmedia' command in Terminal

1. Connect the USB flash drive or other volume that you're using for the bootable installer.
2. Open Terminal, which is in the Utilities folder of your Applications folder.
3. Type or paste one of the following commands in Terminal. These assume that the installer is in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. If it has a different name, replace MyVolume in these commands with the name of your volume.

Big Sur:*

Catalina:*

Mojave:*

High Sierra:*

El Capitan:

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* If your Mac is using macOS Sierra or earlier, include the --applicationpath argument and installer path, similar to the way this is done in the command for El Capitan.

After typing the command:

1. Press Return to enter the command.
2. When prompted, type your administrator password and press Return again. Terminal doesn't show any characters as you type your password.
3. When prompted, type Y to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the volume is erased.
4. After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume. Click OK to allow the copy to proceed.
5. When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Big Sur. You can now quit Terminal and eject the volume.
   

How Do I Make A Bootable Usb For Mac El Capitan

Use the bootable installer

Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps: Finlay 312 parts manual.

Apple silicon

1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes and a gear icon labled Options.
3. Select the volume containing the bootable installer, then click Continue.
4. When the macOS installer opens, follow the onscreen instructions.

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1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Press and hold the Option (Alt) ⌥ key immediately after turning on or restarting your Mac.
3. Release the Option key when you see a dark screen showing your bootable volumes.
4. Select the volume containing the bootable installer. Then click the up arrow or press Return.
   If you can't start up from the bootable installer, make sure that the External Boot setting in Startup Security Utility is set to allow booting from external media.
5. Choose your language, if prompted.
6. Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.

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Learn more

How To Make A Bootable Usb Mac El Capitan

For more information about the createinstallmedia command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter the appropriate path in Terminal:

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• Big Sur: /Applications/Install macOS Big Sur.app/Contents/Resources/createinstallmedia
• Catalina: /Applications/Install macOS Catalina.app/Contents/Resources/createinstallmedia
• Mojave: /Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia
• High Sierra: /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia
• El Capitan: /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia

Making A Bootable Usb Drive Mac El Capitan

A bootable installer doesn't download macOS from the internet, but it does require an internet connection to get firmware and other information specific to the Mac model.

These advanced steps are primarily for system administrators and others who are familiar with the command line. You don't need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.

If it isn’t formatted to GUID Partition Map and Mac OS Extended (Journaled), you can launch the Disk Utility application and format it from there. This will wipe all data from the drive. 4) To make this guide a little easier, name the finished USB drive USB. 5) Now open up a Terminal session and paste in the following command.

What you need to create a bootable installer

• A USB flash drive or other secondary volume formatted as Mac OS Extended, with at least 14GB of available storage
• A downloaded installer for macOS Big Sur, Catalina, Mojave, High Sierra, or El Capitan

Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes and a gear icon labled Options. Select the volume containing the bootable installer, then click Continue. When the macOS installer opens, follow the onscreen instructions. Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes and a gear icon labelled Options. Select the volume containing the bootable installer, then click Continue. When the macOS installer opens, follow the onscreen instructions. This guide will walk you through creating a bootable installer for macOS Catalina on a USB flash drive for the purpose of installing Catalina on a hackintosh compatible computer. Prerequisites: Catalina downloaded from the Mac App Store. In such a case, use a working Mac to run the activated software, then create a recovery USB drive. Connect the recovery drive to your non-booting Mac and access your data. Apart from recovering data, Stellar Data Recovery Premium for Mac helps you repair your corrupt photos and videos.

Download macOS

• Download: macOS Big Sur, macOS Catalina, macOS Mojave, or macOS High Sierra
  These download to your Applications folder as an app named Install macOS [version name]. If the installer opens after downloading, quit it without continuing installation. To get the correct installer, download from a Mac that is using macOS Sierra 10.12.5 or later, or El Capitan 10.11.6. Enterprise administrators, please download from Apple, not a locally hosted software-update server.
• Download: OS X El Capitan
  This downloads as a disk image named InstallMacOSX.dmg. On a Mac that is compatible with El Capitan, open the disk image and run the installer within, named InstallMacOSX.pkg. It installs an app named Install OS X El Capitan into your Applications folder. You will create the bootable installer from this app, not from the disk image or .pkg installer.

Use the 'createinstallmedia' command in Terminal

1. Connect the USB flash drive or other volume that you're using for the bootable installer.
2. Open Terminal, which is in the Utilities folder of your Applications folder.
3. Type or paste one of the following commands in Terminal. These assume that the installer is in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. If it has a different name, replace MyVolume in these commands with the name of your volume.

Big Sur:*

Catalina:*

Mojave:*

High Sierra:*

El Capitan:

* If your Mac is using macOS Sierra or earlier, include the --applicationpath argument and installer path, similar to the way this is done in the command for El Capitan.

After typing the command:

1. Press Return to enter the command.
2. When prompted, type your administrator password and press Return again. Terminal doesn't show any characters as you type your password.
3. When prompted, type Y to confirm that you want to erase the volume, then press Return. Terminal shows the progress as the volume is erased.
4. After the volume is erased, you may see an alert that Terminal would like to access files on a removable volume. Click OK to allow the copy to proceed.
5. When Terminal says that it's done, the volume will have the same name as the installer you downloaded, such as Install macOS Big Sur. You can now quit Terminal and eject the volume.
   

Use the bootable installer

Determine whether you're using a Mac with Apple silicon, then follow the appropriate steps:

Apple silicon

1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Turn on your Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes and a gear icon labled Options.
3. Select the volume containing the bootable installer, then click Continue.
4. When the macOS installer opens, follow the onscreen instructions.

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1. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing.
2. Press and hold the Option (Alt) ⌥ key immediately after turning on or restarting your Mac.
3. Release the Option key when you see a dark screen showing your bootable volumes.
4. Select the volume containing the bootable installer. Then click the up arrow or press Return.
   If you can't start up from the bootable installer, make sure that the External Boot setting in Startup Security Utility is set to allow booting from external media.
5. Choose your language, if prompted.
6. Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions.

Learn more

For more information about the createinstallmedia command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter the appropriate path in Terminal:

• Big Sur: /Applications/Install macOS Big Sur.app/Contents/Resources/createinstallmedia
• Catalina: /Applications/Install macOS Catalina.app/Contents/Resources/createinstallmedia
• Mojave: /Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia
• High Sierra: /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia
• El Capitan: /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia

A bootable installer doesn't download macOS from the internet, but it does require an internet connection to get firmware and other information specific to the Mac model.

Summary: This blog helps you repair your APFS or HFS partition on Mac SSD or hard drive. Download the free-to-try data recovery software for Mac to rescue APFS or HFS partition data.

If you are using macOS Big Sur, Catalina, or Mojave, then most likely, your internal storage drive is partitioned in APFS format. In case your Mac is running on macOS Sierra or OS X Lion, the internal drive partition may be in the HFS+ format. Many users, these days, are upgrading their macOS and moving to APFS to be on par with the current technology.

If your APFS or HFS partition is not functioning properly due to aging or usage, repair the partition immediately to avoid data loss. The next section describes how to fix an APFS or HFS+ partition.

1. Repair Damaged APFS or HFS Partition by Using Disk Utility

You must be using Disk Utility in your system to perform disk management tasks. You can also use it to repair your logically damaged APFS or HFS partition.

To fix your APFS or HFS partition using Disk Utility, do the following: Quickbooks activation code generator.

Step 1) Press Command + Space Bar to launch Spotlight, and then type ‘disk utility’ and press Return. The Disk Utility window will open. Or else, navigate to Finder > Applications > Utilities > Disk Utility. Double-click the Disk Utility icon to launch it on your Mac.

Step 2) Select an APFS or HFS partition from the left pane of the Disk Utility window. From the top pane, click the First Aid tab, then click Run. Disk Utility will analyze the partition and repair any logical errors.

Step 3) If Disk Utility can’t repair the partition, it suggests the next action course. For instance, “Disk Utility fails to repair the startup disk. Backup as much data as possible and erase this drive.” Read More: APFS Data Recovery

To repair “Macintosh HD,” the partition that stores your macOS, perform the following steps: Mac skype for business chat window blank.

Step 1) Start or restart your Mac, then immediately press and hold Command + R keys; release the keys when the Apple logo appears. Your Mac will boot into macOS Recovery mode.

Step 2) From macOS Utilities, select Disk Utility, then click Continue. From the sidebar of Disk Utility, select Macintosh HD the startup disk, then click the First Aid tab. Next, click Run to initiate the repair process.

Step 3) When the repair is unsuccessful, recover data from the drive using a data recovery software for Mac (as explained next). Next, erase the drive and reinstall macOS. Finally, restore the recovered data.

2. Recover Failing or Irreparable Partition Data by Using Software

Download high sierra dmg bootable. When your non-startup Mac APFS or HFS volume is severely corrupt or inaccessible, you won’t be able to back up its data as you would typically do. In such a scenario, you need to recover your data using a data recovery software for Mac. The recovery steps are as follows:

Step 1) Download and install the *trial version of Stellar Data Recovery Premium for Mac on your MacBook Pro/Air, iMac, or Mac mini.

Step 2) Launch the software, and from the “Select What to Recover screen,” specify the type of file that you wish to recover, then click Next.

Step 3) From the “Select Location” screen, select the non-startup APFS or HFS partition, toggle on Deep Scan, and then click Scan. Allow the software to scan your drive.

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Step 4) Preview the scanned files, select the required ones, then click Recover. Specify a different drive location, then click Save. Navigate to the save location to check all your recovered data.

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*Trial version of Stellar Data Recovery Premium for Mac allows free scan and preview but needs activation to recover data. Activate the software with complete assurance as it has a 30-day money-back guarantee.

In case your Macintosh HD is severely corrupt or inaccessible, your Mac won’t boot. In such a case, use a working Mac to run the activated software, then create a recovery USB drive. Connect the recovery drive to your non-booting Mac and access your data. Read More.

Apart from recovering data, Stellar Data Recovery Premium for Mac helps you repair your corrupt photos and videos. Use the file repair feature in case you find some of your recovered photo and video files corrupted due to bad sectors on the Mac partition.

Conclusion

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Make Dmg Bootable Usb Mac Catalina

This blog focused exclusively on repairing a corrupt Mac startup or non-startup APFS or HFS partition. But if macOS can’t fix your disk, you need to use Stellar Data Recovery Premium for Mac to salvage your data. The software has four unique features to provide you with data recovery, drive monitoring, and repair module for photos and videos. For any query related to APFS or HFS partition repair and recovery, ask us in the comment box below.