- #How to install mac os x lion from usb full
- #How to install mac os x lion from usb Pc
- #How to install mac os x lion from usb download
In fact, you have a couple of ways to do this: either using Disk Utility to format the drive before installing macOS or cloning your drive using a third-party tool. If you’re unable to use Internet Recovery Mode or create a bootable USB installer, you can still use a Mac OS X installation disc. macOS users can also install the OS onto a USB drive and work with the same installation that’s on your internal (and faster) drive.
Linux users know that booting from a USB drive is a useful way to get into the OS. In short, we don’t recommend it, and it’s likely not supported. We also don’t know whether you’ll experience issues if you look to install an older OS you don’t own. Unlike previous versions of Mac OS X, Lion (OS X 10.7) doesn’t ship on a bootable discit’s available.
#How to install mac os x lion from usb Pc
This is very handy for us Macbook Air users that do not have an external optical drive. We also have a complete guide to installing and upgrading to Mountain Lion (OS X 10.8). When you turn your PC on, it will boot from the USB and your screen should show all bootable drives (hard drive partitions) and bootable USB drive (containing the Mac OS X installer). Though, if your Mac is based on Apple Silicon, you may find incompatibilities. We can then boot the USB Drive on our Mac to install OS X Lion from it. In theory, there’s no reason why you couldn’t boot an older version of macOS, and Apple does offer ways to install older versions on a USB. Can I boot older versions of macOS from a USB drive? Our testing gave us no issues when using a USB 2.0 to USB-C connector, so you’re able to press your older USB drives into service. Am I able to use a USB connection other than USB-C? We recommend 16GB to give yourself enough “wiggle room” when it comes to the installation process. As such, you’ll need a large enough USB drive to store Big Sur. In our experience, you will not be able to do this. Can I split an installation across multiple USB drives? Disk operations on the boot drive can be performed safely from a USB stick as well. You can now run the operating system as normal and use this USB drive to boot up your Mac. Find the installer in your Applications folder and right-click on it then.
#How to install mac os x lion from usb download
Disadvantages: requires an internet connection and new enough firmware since everything is coming over the internet, booting will be slower than with your own recovery drive (and again, reinstalling Lion will require 4GB worth of patience).For Intel Macs, restart and hold the Option key to enter into the boot selection dialog.įor both types of machines, use your keyboard’s arrow keys to select the USB drive from the list of bootable devices, click to confirm, and your USB drive will begin to boot. Download Lion from the Mac App Storebut dont install it yet, because of the disappearing installer issue noted above. Advantages: doesn't require any advance preparation as above, you can boot from this and recover from Time Machine and/or reinstall Lion (if you have enough time). Use Lion Internet Recovery (per BJ Homer's answer).
#How to install mac os x lion from usb full
Disadvantages: you must create this before removing the old HD, it requires an 1GB or larger flash drive, and since it won't include the full Lion installer you'll need an internet connection (and 4GB worth of patience) to reinstall Lion with it. Advantages: you can boot from this and recover from Time Machine (and/or reinstall Lion if you have an internet connection and enough time).
Advantages: you can boot from this and reinstall Lion and/or recover from Time Machine without needing an internet connection. Buy a Lion installer (USB drive) from Apple.There are a number of similar options that can be a little confusing, so here's an attempt at clarifying their differences: Then, after you replace the HD, you can boot from that and use it to reinstall Lion and/or recover your system from Time Machine. I'll add yet another option to the list: before you remove the old HD, use the Lion Recovery Disk Assistant to copy its recovery partition to a flash drive.