- #BOOT A USB FOR MAC HOW TO#
- #BOOT A USB FOR MAC INSTALL#
- #BOOT A USB FOR MAC WINDOWS 10#
- #BOOT A USB FOR MAC PRO#
- #BOOT A USB FOR MAC SOFTWARE#
In other words, when specifying the the legacy boot option, the firmware tries to BIOS boot. I believe the -device /dev/disk3s1 is a dummy option which is ignored.
#BOOT A USB FOR MAC INSTALL#
There are two main things you'll need to make your bootable install drive: a USB stick (or a Thunderbolt drive) and the installation files. sudo bless -device /dev/disk3s1 -setBoot -legacy What you need to make a bootable USB for Mac. Your question included the command which is repeated below.
#BOOT A USB FOR MAC WINDOWS 10#
Instructions for installing Windows 10 on an Apple Mac using Boot Camp. Windows on the USB drive may be detected and included in a Windows boot manager.Ī final note. Its an open-source, free, and easy to use bootable USB tool for Windows 10. Since you have Windows already installed on the internal drive, try rebuilding the BCD on the internal drive. You would have to try this on your Mac to see if it would work.Īnother option would be the following. I have never tested such an arrangement to see if it would work with any Mac model. The System and Windows partitions are described in the Microsoft document BIOS/MBR-based hard drive partitions.
One possible way to come close to having Windows on an USB drive would be to put the System partition on the internal drive and Windows partition on the USB drive. For example, see the question Bootcamp “Missing Operating System” on external drive.
#BOOT A USB FOR MAC PRO#
However, some (if not all) of the very next year MacBook Pro models can BIOS boot from USB. So your model probably can not BIOS boot from USB. In 2015, Apple started to eliminate the ability to BIOS boot entirely, which effectively ended the ability to install Windows 7. This continued through at least the 2014 model year.
However, since Windows 7 required a BIOS boot, Apple started adding the ability to BIOS boot from USB. This is also the time Apple starting to eliminate the optical drives from Mac models. Apple did not catch up until around 2012/2013. The industry switched to EFI booting of Windows in 2011. Your Mac is probably just a year to early. UPD: I've noticed that my USB drive is detected as internal, that's not true. Here's my partition table: /dev/disk0 (internal, physical):ģ: Microsoft Basic Data BOOTCAMP 119.9 GB disk0s3Ģ: Apple_APFS Container disk2 127.8 GB disk1s2Ġ: APFS Container Scheme - +127.8 GB disk2ġ: APFS Volume w32u SSD - Data 11.0 GB disk2s1Ġ: FDisk_partition_scheme *125.1 GB disk3Ĭan I actually boot from USB with the MBR bootloader on Mac or not? I've tried any way, including rEFInd, but it results again in booting to Win10 installed on disk0 HDD. It doesn't work – it just boots to Windows 10 installed on the internal HDD with legacy method + Hybrid MBR too. When I'm trying to boot from the USB with the command (I've unmounted the disk before): sudo bless -device /dev/disk3s1 -setBoot -legacy For experimental purposes I've installed Windows 7 to USB (it's NOT an installer, a real OS on USB) via WinNTSetup on other PC. Select the drive in Disk Utility and then thePartition Tab.I have a MacBook Pro8,1.
#BOOT A USB FOR MAC HOW TO#
How To Create an OS X Lion USB Installation Drive
#BOOT A USB FOR MAC SOFTWARE#
It has not been tested with the retail version of OS X Lion, but we will test this approach as soon as the software is available in its retail form. These steps worked with the developer preview downloads for OS X Lion that was distributed through the Mac App Store to developers. Below you will find the steps I used to install the developers preview of OS X Lion via a USB disk. In fact, it is still very easy to create a USB installation disk for OS X Lion. Choose the Windows ISO file you’ve obtained earlier. Read the introduction and click Continue to proceed. Starting with OS X Lion, the only way to get new software will be to download and install it through the Mac App store.įortunately, it does not appear that Apple has limited our ability to create our own installation media. To run Windows on a Mac via Boot Camp: Go to Applications > Utilities and launch Boot Camp Assistant. No longer will you be able to buy the latest and greatest software from Apple on DVDs or other media. Yesterday, during Apple’s World Wide Developers Conference, Apple announced they were moving forward with the way they distributed software to their customers.
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