How to create a bootable installer for macos apple support. Note that the createinstallmedia tool doesnt work under os x 10. If your usb thumb drive, usbbased external disk or flash storage contains a usable operating system or an os x installer, you can select it at boot time using os xs builtin feature called startup manager, which can be invoked via a simple keystroke. Verify and repair startup disk on os x serato support. The mac os x image is required in order to proceeding further steps i. Sep 14, 2015 how to start up your mac from an external usb storage device. But to install or reinstall a recent version of os x, you must either download a non bootable installer from the mac app store or via os x s invisible, bootable recovery partition download 6gb. Open terminal, which is in the utilities folder of your applications folder. Now to boot from it just select it as the start up disk in system preferences or hold down option key on boot and select it from the choice of bootable devices. The best thing to do is download it once and create a bootable install usb drive from the file for all of your macs. Jesus vigo goes over the steps to create a bootable usb to install os x 10. This article will help you create a mac os x or macos recovery usb drive to use in case of disaster or no boot from internal hard drive.
If a mac is having some issues a bootable usb of the os can serve as an emergency disk. Dec 01, 2016 easy way how to create installer boot mac os x dvd disk or usb pendrive under windows 2018 link duration. The orignal disks are not available for many of these machines. How to create a bootable macos mojave installer drive. Aug 02, 2011 7 click restore 25 minutes later one bootable usb drive.
To ensure maximum compatibility with apple hardware, were going to first blank and reformat the usb stick using apples disk utility. Then, it proposes to build a bootable install disk and make it look. To do this, look towards the top of the screen and click on utilities from the top menu and then click disk utility from the dropdown menu. How to quickly create a macos bootable usb on windows 10. Once done disk will be ejected automatically, if not we can use below command to eject the usb stick. Select the create a bootable disk using option and then choose freedos from the dropdown menu next to that option. One high quality usb flash drive with 16gb of storage. Under the popup menu, youll see select the os x installer. Also, it helps in recovering a system after a startup failure. Mac wont boot from installation disk apple community. How to create a bootable install usb drive of mac os x 10. Jul 08, 2011 select your usb drive from the left side of disk utility, then click on the erase tab. Create bootable usb for mac on windows 10, mac and windows file system is completely different, so you are not able to create bootable usb for mac with powershell, cmd or rufus. Select your startup disk, then click the arrow under its icon, or press return.
Jul 31, 2011 the steps above can also be used to create a bootable mac os x lion usb by using the installesd. Select the usb volume name, then select choose this disk. How to make a bootable flash installer of os x or macos. As soon as you launch the application, it tries to find the os x install program with spotlight. Create an os x mountain lion installation boot dvd or usb. Repairing disks using os xs disk utility can be a useful way to improve performance, and in some scenarios, recover lost data. How to create a bootable macos mojave installer drive put the macos mojave installer on an external usb thumb drive or hard drive and use it to install the operating system on a mac. Make sure that it has at least 12gb of available storage and is formatted as mac os extended. It also helps in performing basic troubleshooting tasks, even if you have no connection to the internet or access to the mac app store. How to create a bootable usb drive for macos sierra. Click on erease to format the usb and create the disk. Make os x yosemite bootable usb installer drive os x 10.
If your usb thumb drive, usb based external disk or flash storage contains a usable operating system or an os x installer, you can select it at boot time using os x s builtin feature called startup manager, which can be invoked via a simple keystroke. Here are the steps i took to create the bootable usb drive i have a mid2014 macbook pro with retina display. Drag your usb or a duallayer dvd drive from the list on the left into the destination box and click restore or just click the burn button in the upper left if youre using a duallayer dvd and in 1030 minutes depending on whether youre using usb 2. How to start up your mac from an external usb storage device. Select your usb drive from the left side of disk utility, then click on the erase tab. After youve downloaded the os x mountain lion installer from the mac app store, launch liondiskmaker and it will locate the installer app, extract the disk image, and then make the boot disk. Use the restore disk image to drive dialog box to browse for the dmg file with the installation files for mac os x yosemite in this case, and click the ok button to create a bootable usb of the operating system. Choose mac os extended journaled as the format, and name the usb key what you want. Click on the usb drive from the lefthand menu and select the partition tab. How to start up your mac from a bootable cddvd, usb thumb.
If you remembered, till macos sierra the apple file system was hackintosh, but macos 10. A broken mac computer with mac os x or macos version 10. A macos usb installer saves much time when you want to install the os offline on two or more macs. Click continue, you then are asked for admin and password. How to create a bootable usb macos installer the idea behind a macos clean install when you install a new major version of os x, or after some time has passed, it is a good idea to do a clean install that is, to erase the disk you are installing os x onto as part of the installation process. From the menu that appears, choose restart in os x. How to create mac os x bootable usb pen drive with windows 10 7. How to create bootable usb for mac on windows 10 in 4 ways. I am able to boot into safe mode by holding shift only works like 10% of the time and verified permissions. While downloading an os x or macos version offers instant gratification, it means youre left without an installer. Diskmaker x formerly lion diskmaker is an application built with applescript that you can use with many versions of os xmacos to build a bootable drive from os xmacos installer program the one you download from the app store. Oct 23, 20 how to create a bootable os x mavericks usb install drive. If you want to use your usb stick with an apple mac, you will need to restart or poweron the mac with the usb stick inserted while the optionalt.
However, this article explains the steps required to create the mac os x usb boot disk for lost data retrieval and running disk drill in a ready to use standalone recovery environment. Sep 23, 2019 use the restore disk image to drive dialog box to browse for the dmg file with the installation files for mac os x yosemite in this case, and click the ok button to create a bootable usb of the operating system. How to create a bootable install dvd or usb drive of os x 10. If you have started up your mac in windows using boot camp, you can use the boot camp system tray to switch your startup disk default back to os x. How to create a bootable usb to install os x mavericks. You want to do this before creating the bootable media because there is a good chance that the drive was formatted using a windows device. How to create a bootable os x mavericks usb install drive. Using recovery disk assistant to create mac os x recovery usb drive type the administrators password to confirm changes to the drive. The utility clone the recovery system on external usb drive, verify it and make it hidden as a boot partition. Every mac running os x lion and later has a small 650mb hidden recovery partition called recovery hd located on your macs internal hard drive which is reserved for common utilities such as time machine backup,terminal utility, disk utility, hardware. To install os x snow leopard from the usb drive, youll need to reformat the macs hard drive. Repairing disks using os x s disk utility can be a useful way to improve performance, and in some scenarios, recover lost data. Even so, its still easy to create a usb installation disk for os x lion if you want to install lion on a freshly formatted hard drive, if youre in an emergency booting situation, or if you need to repair your macs hard drive. How to choose a startup disk on your mac to boot from usb.
Before you proceed, make sure you have a backup of the flash drives contents or that you dont care that the data will be erased. Unless you reformat its set for fat32 or exfat which wont work for macos osx. Mac wont boot from installation disk after doing a software update, my mac pro got stuck on the gray screen after restart seems like a very common problem recently. Verify and repair startup disk on os x as much a we all try to protect our computers, sometimes issues do arise with the drives where you store your data. If you press and hold the control key during this step, your selection is saved in startup disk preferences, so it persists until you change it. Starting with os x lion, apple did away with dvds and other media as a method of installing software and switched to a download model instead. It is done via the terminal from a command apple introduced since osx lion called createinstallmedia, all you need is the original osx app installer and a spare external drive to make a copy of the new os installer on which you will be able to boot from. It is easy to make a macos usb disk from the full installer downloaded from the app store. It is better than os x recovery as you dont have to download the 5gb installer data, first, to reinstall the os or installer disk for macs that does not support os x recovery. How to create a bootable usb drive with os x snow leopard.
Launch disk utility from applicationsutilities or spotlight search. How to make a macos bootable usb installation media. The steps above can also be used to create a bootable mac os x lion usb by using the installesd. Connect the usb flash drive or other volume that youre using for the bootable installer. If you have only the mojave installer on your mac, install disk creator will automatically select. If this is the case, chances are that its using a mbr partition, and the usb drive needs a gpt partition to.
This is problematic if you need to reinstall os x or macos on a newly formatted hard drive, if youre in an. How to select a different startup disk apple support. Your bootable usb drive will be called mac os x base system after the restore is complete. To make os x yosemite bootable usb installer drive, there are few requirements. Select mac os extended journaled for the formattype from the drop. Wait for a while until the process is finished completely. But this step can be skipped if you intend to use the usb stick with only generic pc hardware. However, this article explains the steps required to create the mac os x usb boot disk for lost data retrieval and running disk. How to quickly make a mac os x bootable usb on windows. Click the start button to format the disk and copy the files necessary to boot into freedos. Nov 06, 20 click on the usb drive from the lefthand menu and select the partition tab.
It could take one or two hours to complete the process depending on your computer. With the arrival of os x lion in 2011, apple changed its softwaredelivery method to a download model with the mac app store instead of using physical dvds and other media. To create a bootable usb drive with macos, use these steps. From a working mac open disk utility and reformat the thumb drive to guid partition map and create a mac os extended journaled partition, that should fix the thumb drive. How to create a bootable install dvd or usb drive of os x. Type or paste one of the following commands in terminal. Mar 30, 2020 on the left, rightclick the usb flash drive, select the format disk for mac option.
Mac os x dmg iso files and a usb pen drive with minimum. How to create a bootable usb to install os x techrepublic. How to create mac os x bootable usb pen drive on windows. Jul 25, 2012 after youve downloaded the os x mountain lion installer from the mac app store, launch liondiskmaker and it will locate the installer app, extract the disk image, and then make the boot disk. Apr 06, 2020 select your startup disk, then click the arrow under its icon, or press return. I would like to image one of the newer macbook pros, install all the updates and then create an image that i can use to boot from. This guide deals with how to make a bootable disk of either osx 10. Mar 25, 2020 a macos usb installer saves much time when you want to install the os offline on two or more macs. Mar 12, 2020 connect the usb flash drive or other volume that youre using for the bootable installer. Diskmaker x formerly lion diskmaker is an application built with applescript that you can use with many versions of os x macos to build a bootable drive from os x macos installer program the one you download from the app store. Disk drill does provide a separate feature to install a new instance of mac os x using the bootable drive that can be created with it. How to use os x boot options to troubleshoot your mac. Click continue, you then are asked for admin and password wait for a while until the process is finished completely. In windows, click the boot camp icon in the system tray.
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