- How to download mac os x lion usb bootable how to#
- How to download mac os x lion usb bootable for mac#
- How to download mac os x lion usb bootable install#
- How to download mac os x lion usb bootable update#
- How to download mac os x lion usb bootable password#
This should automatically download to your Applications folder as an app named Install macOS. How do I create a bootable USB drive for Mac?ĭownload the MacOS installer of the version you plan on installing on the USB flash drive. That being said, the Mac App Store is probably going to be the less complicated option of the two.
How to download mac os x lion usb bootable update#
You can obtain them from either the Software Update in System Preferences, or the Mac App Store. It’s important to note that any and all existing data you have stored on the USB drive you plan to use will be deleted.ĭepending on what version of macOS you want to install on the USB flash drive, you’ll need to download the installation files.
At least 36GB of available storage on the computer you wish to install the OS on. A downloaded installation file for whichever MacOS (of the ones listed above) you’d like.ģ. In order to create a bootable installer, there are three things you must possess:ġ.A USB external drive that can plug into the Mac device you need it to, and contains at least 16GB of available storage, though in this case more is better.Ģ.
How to download mac os x lion usb bootable for mac#
What you need to create a bootable USB for Mac You can run an OS installer like Windows, OSX, Mac, or specific versions of Linux from a bootable USB drive.įor Mac specifically, you can use a bootable USB to install MacOS Monterey, MacOS Big Sur, Catalina, Mojave, High Sierra, or El Capitan. Whether a computer is brand new or becomes unusable from a compromised OS, you can use a bootable USB to install an operating system. That being said, many new Mac laptops don’t have USB-A ports, so it’s a good idea to obtain an external port that connects to a USB-C (USB Type C) port to really make the process easy-ish.Ī bootable USB is a flash drive that allows you to both install an operating system (OS), and boot the computer from the external USB drive instead of the computer’s hard drive. The good news is there’s an easy(ish) workaround!īy booting from an external drive, like a USB for example, you can diagnose certain issues by accessing the internal drive with minimal effort.
How to download mac os x lion usb bootable password#
Enter your administrative username and password then click OK. Make sure the Mac OS X Install ESD is set as the Source then drag the MOUNTAINLION partition from the list on the left into the Destination field.Ĭlick the Restore button then click the Erase button from the confirmation popup to begin building your install key.Īnother popup will appear asking you to log in. Select the new Mac OS X Install ESD partition that appears then click the Restore tab. Right click or control-click the InstallESD.dmg image from the left side of Disk Utility and choose Open Disk Image from the popup. When asked to confirm click the Partition button.
Next click the Apply button to save your changes. Set the Partition Layout to 1 Partition, set the Name to 'MOUNTAINLION', set the Format to Mac OS Extended (Journaled), and then click the Options button.Ĭhoose GUID Partition Table from the popup window then click the OK button. Select your USB thumb drive from the list on the left and click the Partition tab. Right click or 'Control' click InstallESD.dmg and select Disk Utility from the Open With menu. Then double click the SharedSupport folder Navigate to the Applications folder and right click the new "Install OS X Mountain Lion" icon then select Show Package Contents from the contextual menu. Select Quit from the Install Mac OS X Lion to exit the installer.Ĭlick to launch a new Finder window from your dock. Once the download has completed the Mac OS X Lion Installer will launch. If the LaunchPad appears press the Escape key. Press the Install button for OS X Mountain Lion and wait while the operating system downloads. **If you have not yet installed Mountain Lion then you can follow these instructions to buy it and begin downloading.
How to download mac os x lion usb bootable how to#
These are instructions on how to create a bootable OS X Mountain Lion USB key.Ĭonnect a 8GB or larger USB key to your computer then launch the Mac App Store from your dock.Ĭlick the Purchased tab at top of the window then hold down the Option key and click the Purchased tab again.