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. Turn on your mac or restart your mac if its already on. To actually boot the drive, reboot your mac and hold down the option key while it boots. If your mac starts and makes it to the login screen or the desktop, then verify that your startup drive is working correctly. One high quality usb flash drive with 16gb of storage. If you see a message that your security settings do not allow this mac to use an external startup disk, check the external boot setting in startup security utility. Be sure the disc to boot from is actually bootable, most system restore and installation discs are. Specifically, the lion thumb drive that i made a few months ago worked fine with an early 2008 macbook pro, but didnt show up in the. How to make your mac boot from a usb drive makeuseof. This will bypass the selection menu and immediately start from the disc. Enter write to save the configuration and exit to return to the terminal. For this example, you will discover how you can boot to mac os mojave using a samsung. Once you click it, the first thing you need to do is to select the right disk or partition on the left side menu. Created a bootable usb drive using createinstallmedia as explained in apples documentation and it went well.
While you can connect an external cddvd drive to your. Just ran into some of the same problems as others seeing the prohibitory symbol circle with line through it while booting from a usb stick. Boot your mac from cd, dvd, external drive, or usb flash drive. How to quickly make a mac os x bootable usb on windows. Thanks it turns out it was just the 1 surface book i was working on would not boot to usb to allow be to deploy and image it. It used to be owned by my school, so i only have access to a limited number of apps, so i cannot open the file straight. When you hear the startup chime, press and hold the option key. This guide provides 2 ways to boot a mac from a usb flash 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. 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 do i get my mac to boot from an ubuntu usb key. Problems booting from usb disk kernel crashes on new mac book pros have quad i7 mac book pro with 8gb of ram can no longer boot from usb the mac osx have not tried booking from disk booting from dvd seems to be ok any one else with the same problems. How to choose a startup disk on your mac to boot from usb. All the other surface books we ordered would load the usb drive fine. How to create a bootable vmware esxi usb drive on macs.
For example, if you install macos or microsoft windows on a usb drive, your mac can recognize that drive as a startup disk. Press the power button to turn on your mac or restart your mac if its already on. How to quickly create a macos bootable usb on windows 10. Plug in your bootable usb device and boot up your 2018 2019 macbook pro from usb, hold the command. Oct 12, 2017 click disk utility to open disk utility provided by os x. How to boot from usb on mac, windows or linux acronis. Look for the usb drive in the disk management window and note its disk number. Jul 31, 2018 by default, mac starts from its builtin hard disk, but a startup disk can be any storage device that contains bootable contents that compatible with your mac. By default, your mac starts up from its builtin hard disk, but a startup disk. If there are problems detected, you can click repair disk button to repair any existing errors. Booting to another volume using either of these methods is a onetime temporary change, so you don. If you own a macbook or macbook pro notebook, try using a different usb port if you cannot startup from the external usb storage device.
Hello everyone, i have an old white imac running mac os x 10. The first mac was the macbook air which came out in january 2008. Boot mac pro from usb thumb drive macrumors forums. If your mac successfully starts up in safe boot mode, try restarting your mac again in normal mode. In boot settings make sure the only option toggled on for boot is boot from usb devices, then exit. In this article, you will learn how to speed up your older imac by booting to an external solid state drive. For 2018 2019 macbook pro with the secure boot t2 chip, see the 2018 macbook pro boot from usb instructions. Make the format mac os extended journaled and use guid partition map as your scheme. Choose apple menu system preferences, then click startup disk. Sep 14, 2015 how to start up your mac from an external usb storage device. Open the system preferences application in the dock. This is the process i used to create a bootable usb drive of mountain lion os x for my macbook pro.
Press commandr during startup to start your mac from the recovery system. Nov 23, 2017 this video is about a mac not booting up. Here are the steps i took to create the bootable usb drive i have a mid2014 macbook pro with retina display. How to select a different startup disk apple support. Booting from usb drives on 2011 macbook pro macrumors forums. Specifically, the lion thumb drive that i made a few months ago worked fine with. Mac startup key combinations learn about the mac features and tools that you can access by holding down one or more keys during startup. Booting your mac from usb lets you fix boot issues or have an extra copy of macos for testing. This option on boot trick works for quite literally any boot volume, whether its an external usb drive of any sort, a thunderbolt hard drive, boot dvd, cd, the recovery partition, even in dualboot environments with other versions of os x, or a linux or a windows partition with boot camp, if its bootable and connected to the mac it will be visible at this boot manager. The process is fairly painless and, if you have a bit of time and patience you. Somehow, my mac was actually able to boot off the usb 2.
Choose a hard drive or a partition, then click verify disk. Instead, it lets you start your surface using windows or another operating system thats on your usb device. As i was saying before, ive never had a problem booting these devices on. Type f 1 to mark the usbs partition active so the device is capable of booting the esxi operating system. Try booting from usb by going back into uefi,go to boot menu and using your finger swipe from right to left on the usb drive in the boot list order. Why make a bootable usb install drive for mac mountain lion os. Apr 01, 2020 mac startup key combinations learn about the mac features and tools that you can access by holding down one or more keys during startup. The main reason to make the bootable usb drive is to not have to download the 4gb file every time you want to do a reinstall of the mountain lion operating system. To use any of these key combinations, press and hold the keys immediately after pressing the power button to turn on your mac. How to boot a macbook air from a usb external drive. How to start up your mac from an external usb storage device. Jun 22, 20 this option on boot trick works for quite literally any boot volume, whether its an external usb drive of any sort, a thunderbolt hard drive, boot dvd, cd, the recovery partition, even in dualboot environments with other versions of os x, or a linux or a windows partition with boot camp, if its bootable and connected to the mac it will be visible at this boot manager. If this is the case, chances are that its using a mbr partition, and the usb drive needs a gpt partition to.
The problem with naively installing ubuntu on an external drive is that your mac might not recognize it as bootable, due to its custom implementation of the efi and uefi specs. This will launch apples startup manager which shows bootable devices connected to the machine. Efi booting for sure, but all are configured with mbr instead of gpt. How to make a bootable mountain lion usb install drive. If your mac just boots to the login screen and you dont see the boot options menu, reboot your mac again and hold. In order to boot your mac from a disk in the cd dvd drive, youll first want to insert disk into the drive, then you can either shut down the mac, or reboot the mac. How to create a bootable installer for macos apple support.
In order to boot your mac from a disk in the cd dvd drive, youll first want to insert disk into the drive, then. How to boot from a usb device flash drive or ext hdd. Now that you have all the necessary ingredients, youre ready to make a mac os x bootable usb using the dmg file of the operating system with the steps below. Thats much less complicated than the answer below, which is for installing. Chances are the drive has some issues that need to be repaired. Macbook pro 15 2017 wont recognize external boot devices. The mac will boot the linux system from the connected usb drive. Boot from usb ibook g4 power pc i recently got an old ibook g4 512mb ram 1. The process is fairly painless and, if you have a bit of time and patience you can complete the task on a mac. Press and hold the option key immediately after you see the apple logo. By default, mac starts from its builtin hard disk, but a startup disk can be any storage device that contains bootable contents that compatible with your mac. Depending on the mac you are using and the version of os x that is installed, the recovery system volume recovery hd might not show up in startup manager. Booting from a usb device doesnt refresh or reset your surface.
Can a chromebook boot a live usb image of another os. Now, click on the erase button and the disk utility will prepare the usb stick for the next steps youre going to follow. On the left, rightclick the usb flash drive, select the format disk for mac option. First, connect the usb drive containing the operating system you want to boot to your computer. Sometimes internet software issues unable to detect your mac accessories on the usb port. Start by inserting the usb into your macs usb port or the usbc connector. Dec 10, 2015 thanks it turns out it was just the 1 surface book i was working on would not boot to usb to allow be to deploy and image it.
How to boot your mac from a usb bootable device youtube. How to boot a mac from an external drive or alternate startup. You want to just boot from a flash drive to play with some distros. Listen sound for the chime sound and your mac will boot up. I already have the install os x mavericks file on it. The newly created ubuntu live usb drive is now ready to be inserted into a mac.
Apples made it difficult to boot nonmac os x operating systems off of usb drives. For info about recommended recovery methods, see restore or reset surface. Aug 20, 2016 click on your usb stick, then select erase. To deploy the one i had to go into advance startup and choose usb device for recovery that was the only way i could get that one unit to boot to usb. Jul 31, 2017 type f 1 to mark the usb s partition active so the device is capable of booting the esxi operating system. Click the lock and enter your administrator password. How to boot a mac from usb drive with pictures wikihow. From here i am unsure which thing finally made it work so i will describe the things i did.
Click disk utility to open disk utility provided by os x. Holding that key gives you access to os xs startup manager. Getting your mac to load from a usb drive is fairly straightforward. How to boot a macbook air from a usb external drive small. May 07, 2020 booting from a usb device doesnt refresh or reset your surface. Ive had issues booting some intel macs from usb thumb drives.
How to fix my macbook pro booting to a black screen macpaw. In disk utility, select the usb device and then the partition tab. Finally, press return key on the selected option to boot mac. Cddvd drives are disappearing from computers, leaving usb storage as the only option when reinstalling an operating system. Print these boot option keys, because theyre particularly helpful to have. Select the system you would like to use to start your computer up. You can boot it from a usb drive as long as it is partitioned properly and has the same version of your copy of os x. Jul 04, 2017 first, connect the usb drive containing the operating system you want to boot to your computer. I was originally trying the 64bit version of cloudready since the core 2 duo in the macbook 2,1 can do 64bit, but when i didnt have success i also tried the 32bit version remembering. How to start up your mac from a bootable cddvd, usb thumb drive. The flash drive im using is a toshiba transmemory 16gb usb 2.
May 23, 2017 to actually boot the drive, reboot your mac and hold down the option key while it boots. It deals with several major solutions, discussing in detail how they can be utilized. Booting from usb drives on 2011 macbook pro macrumors. 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. Boot into ubuntu on a borrowed machine or from an internet cafe. Apr 06, 2020 choose apple menu system preferences, then click startup disk. The nightmare of booting from usb on surface book reddit. This way you can boot your mac with an external usb drive, but the most critical part is to prepare the usb drive. Press the power button to turn on or restart your computer. Immediately after the startup chime, press the option key sometimes.
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