Linked Questions

17 votes
5 answers
14k views

What is the best way to generate a Yosemite or Mavericks Install USB flash drive? [duplicate]

I could probably copy the contents from the package, but what is the best way to create an install Flash Drive for Mavericks? Of course ideally the drive should be bootable.
Coyote's user avatar
  • 4,490
10 votes
1 answer
120k views

How to make a bootable USB key from an .iso image on Mac OS X? [duplicate]

Possible Duplicate: How do I make a bootable USB flash drive for a MacBook Air? How to make a bootable USB key from any .iso image on Mac OS X?
bijan's user avatar
  • 297
1 vote
1 answer
50k views

OS X Mavericks: InstallESD.dmg and BaseSystem.dmg [duplicate]

I would like to make a bootable DMG or ISO file with OS X Mavericks on it. I want to then burn this file to a DVD-ROM (or, alternatively, make a bootable USB stick with it). From what I've read, ...
John Sonderson's user avatar
1 vote
1 answer
13k views

How to make a bootable USB drive from Install OS X El Capitan.app? [duplicate]

I wish to upgrade from Snow Leopard (10.6.8) to anything higher. Disk Utilities repair says the disk needs to be repaired. So, I need to boot onto something other than the boot drive to run disk ...
dfrankow's user avatar
  • 451
2 votes
1 answer
20k views

How do I get a CD version of El Capitan suitable for a Macbook Pro? [duplicate]

I have 2 Macs, and am downloading El Capitan from the app store. I want to see if I can install it on an older MacBook Pro that has a broken Command-R feature that prevents me from installing the OS. ...
makerofthings7's user avatar
-1 votes
2 answers
14k views

How to make a bootable external hard drive and boot up a Mac? [duplicate]

I have an iMac 27 inch, and one summer the room temperature was up to 40C, and I came home that day, and the hard drive was really slow. I then rebooted the machine and it took something like 8 ...
nonopolarity's user avatar
  • 9,598
0 votes
1 answer
3k views

Creating bootable USB from "Install OS X El Capitan.iso" [duplicate]

I have "Install OS X El Capitan.iso" file. I have burned the image to a DVD and successfully installed El Capitan in the past. Now that my DVD drive is broken, I would like to create a bootable USB ...
Uzi's user avatar
  • 31
0 votes
0 answers
602 views

How to make a bootable USB in Catalina [duplicate]

/dev/disk1 (synthesized): #: TYPE NAME SIZE IDENTIFIER 0: APFS Container Scheme - +250.8 GB disk1 ...
Water's user avatar
  • 61
2 votes
1 answer
593 views

Create bootable drive from command line [duplicate]

New with 10.9 is the ability to easily create a bootable drive from the installer that is downloaded from the App Store, with a single command createinstallmedia in the Terminal. This link at ...
Kent's user avatar
  • 6,212
1 vote
1 answer
83 views

How can I create a USB installer of OS X - El Capitan on a computer that is running macOS Sierra? [duplicate]

I've downloaded a copy of the OS X - El Capitan Installer, which I want to make a bootable USB of. However, it requires you to run the installer on whatever machine you are running, and installs it ...
Masu's user avatar
  • 133
1 vote
1 answer
42 views

After downloading Monterey with the intention of creating a usb-boot instead it is launched [duplicate]

This looks good .. except it's not what was intended. I need a usb boot drive for a different sick macbookPro. I can't find where this software was downloaded to on my drive. Any pointers where to ...
WestCoastProjects's user avatar
71 votes
6 answers
128k views

How can I download an older version of OS X/macOS?

Sometimes it's hard to search for older / previous versions of macOS & OS X on the App Store or Apple web site since they change links to promote the newest shipping version. This is an attempt to ...
Tetsujin's user avatar
  • 116k
38 votes
8 answers
73k views

How do I create El Capitan installer on a Catalina (or post-El Capitan) installed Mac for use on USB boot installer?

I have downloaded the El Capitan DMG file (InstallMacOSX.dmg) provided by Apple. The expanded DMG image contains the package "InstallMacOSX.pkg" which should be run to create the El Capitan ...
mhaselup's user avatar
  • 635
26 votes
3 answers
9k views

macOS Sierra doesn't appear in my Purchased list within the Mac App Store

Typically, when users download and/or upgrade to a new version or macOS (previously Mac OS X), via the Mac App Store, that version of the installer appears in the Purchased tab of the App Store app. ...
Monomeeth's user avatar
  • 64.7k
16 votes
3 answers
48k views

Re-use Mavericks install file

I have three Macs I want to upgrade to Mavericks. Is there a way of re-using the install files, so I don't have to do three separate 5gb downloads?
dsteele's user avatar
  • 507

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