Startup Disk Sierra Download And Let
Startup Disk Sierra Portable MacOS Installation

Hes covered Windows, Android, macOS, Microsoft Office, and everything in between.

The method described here actually creates a fully functioning macOS Sierra installation on an external USB device.

This allows you to take a fully-fledged macOS installation with you wherever you go, for use on any Sierra-compatible Mac.

Maybe youre having problems booting into your Mac and you want to try to access the internal drive to do some troubleshooting or back up important filesthis will let you do that.

Or you can take it with you to work or a friends house while keeping all your applications and files.

For example, your storage capacity is likely to be significantly less than your normal system disk, especially if you use a flash drive.

You definitely want to use a USB 3.0 (or USB-C if youre using a newer Mac) device, and even then, your system isnt going to be nearly as snappy as your normal internal drive.

So keep that in mindyou probably wont want this to be your main macOS system.

First, youll need an external storage device with a minimum capacity of at least 16 GB though the larger the better, especially if you plan on storing lots of applications and files on this system.

Again, this can be any kind of external storageUSB flash drive, USB hard drive, or even an SD card.

You can download the Sierra installer in the App Store by searching for macOS.

Startup Disk Sierra Download And Let

Make sure you click Download and let it save to your Macs hard drive.

To check what format your drive is using (and change it), youll need to launch your Macs Disk Utility.

Disk Utility can be found in the Applications Utilities folder or by searching for it using Spotlight.

In our case, our drive is partitioned using Master Boot Record rather than GUID.

If there is anything you want to save, make sure you back it up first.

You can also give your device an appropriate name, if you want.

It will probably be pretty slow and youre probably only going to want to use it when the situation warrants, like when youre troubleshooting your Mac.

But you dont want it looking for that external drive every time you turn your Mac on normally.

Startup Disk Sierra Portable MacOS Installation

Or maybe you want to use your portable macOS installation on another compatible Mac.

From there, you can select your external drive and click the arrow to boot into it for that session.

Or you can hold Option and boot to the external drive again, if needed.).

The whole process should take less than an hour, and once completed, you will have an untouched macOS installation on an external device that you can use in case of emergencies or just for fun.

Startup Disk For Mac Sierra