After successfully created a macOS bootable USB, the next step is how to use it to install macOS from external USB drive. This is not normal case because macOS is very stable and have less bugs/virus than Windows PC. So many Mac users don't know how to perform a clean install of macOS on their Mac when the device was broken or could not boot into desktop.
Please don't worry. We will share detailed steps on how to install macOS/Mac OS X from an USB drive. Even you had issues during this process, it is not thing to be afriad as we have offered the troubleshooting guide as well.
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How to Install macOS on Mac from USB Drive (Normal Way)
If the target Mac computer already had a macOS or OS X on it, then installing macOS from USB is straightforward and this is called the normal way.
Step 1: Insert the macOS bootable USB drive on a USB port of Mac computer.
Step 2: Shut down the Mac and wait for 1-2 minutes. This will make sure the Mac is powered off.
Step 3: Hold the Power and Option key simultaneously for 15 seconds. This will bring up the Startup Manager on Mac.
Step 4: You will see all bootable devices attached to this Mac, including Macintosh HD and external USB or DVD. Click the drive name of your macOS bootable USB to start the installation process.
Step 5: Agree the terms and conditions and wait for the installation process to be done.
How to Install macOS on Mac from USB Drive (Advanced)
If the drive was not partitioned or the partition table was corrupted, then you can not install macOS on Mac with the normal way. You have to boot Mac into Recovery mode and format the hard drive or SSD to Apple file system first.
Step 1: Shut down your Mac and press the Power key to turn on the Mac; then immediately press Command and R keys.
Uwus Mac Os 11
Step 2: You will be directed to the macOS utility section and here you need to select 'Disk Utility' to format the USB drive. From the Disk Utility app, select Mac drive name under Internal section and then click on the 'Erase' button.
Step 3: You will get a couple of options from the Format. Pleasec choose APFS (macOS) or Mac OS Extended (Journaled) for old version Mac OS X.
Step 4: After the completion of the formatting process, go back to the macOS utility section and this time, select 'Reinstall macOS'.
Step 5: Further, go to the Startup Manager, move to the External drive section, and select your bootable macOS USB drive.
Step 6: Now, the configuration of MacOS will start. As soon as the process starts, it will provide Terms and Agreement page and your job is to agree with the same and then click on the continue button.
Step 7: After that, click on the 'Continue' button to start the installation process. This will take 30-45 minutes and once it gets completed, restart Mac.
Step 8: As you are using the fresh copy of MacOS on Mac machine, so you need to set up the OS and for that connect the Mac with the Wi-Fi and then sign in with the Apple account.
Step 9: After signing in, you can access the several products of Apple such as iCloud, DropBox and many more.
Quick Troubleshooting Tips if You Got Stuck during MacOS Installation
Could not write installation information to disk
If you see the message like 'Could Not Write Installation Information to Disk' when you are trying to install the OS, it means, some important files are missing from the bootable USB device. Mostly, this error happens when you download Mac OS file from an unauthorized site.
You can fix this issue just by downloading the original OS file from the Apple store and then create a fresh bootable USB using the same.
Compatibility error
If you are upgrading the OS X after having an older version, you can get the compatibility error message. In such case, just cross-check the system requirement for the OS you want to install on your Mac system.
You can fix this issue just by downloading the original OS file from the Apple store and then create a fresh bootable USB using the same.
macOS could not be installed on your Computer
If you see the error message similar to 'macOS Could Not Be Installed on Your Computer' that means, either your system is not compatible or the Date and Time settings in your system is not up to date..
To resolve the problem, first, check the system combability for the OS X. If it's fine and still you are facing the error, then just update the system Time & Date with the option of 'Local Apple time server'.
Application is damaged, can't be used to install macOS
You the message 'application is damaged, can't be used to install macOS' appear on your screen, it means the OS certificated has been expired. And so, you won't be able to proceed further for installation.
The simple solution is; you need to create a fresh bootable USB by downloading the MacOS file from its official website.
MacOS couldn't install on this computer
Sometimes, the thirty-party tool which you use to create a bootable USB is the culprit. If the OS files will not be copied successfully using the bootable tool, then you may see the message like 'MacOS couldn't install on this computer'.
In this case, you should avoid using a third party bootable tool despite you should create a bootable USB with the help of command.
Conclusion
The above tutorial covers most of the issues you could come across during the installation process. If you had other issues not mentioned in this article, please contact us and our technical team will help you fix it.
SOIS offers a virtual computer lab for online students. The SOIS virtual lab provides any current SOIS student access to a SOIS computer from any location.
This lab is powered by Citrix XenDesktop, as such, it is compatible with:
- Windows
- Max OS X
- iOS (iPhone, iPad, etc.)
- And much more!
Using the web browser is the quickest and most simple way to access the SOIS virtual lab.
**Note: Effective Fall 2019 you must first log onto the UWM VPN before accessing the virtual lab**
1) Navigate to: https://desktop.sois.uwm.edu
2) Login using your ePanther ID and password.
Use your ePanther ID and ePanther password in order to access the virtual lab.
User name: exampleID
Password: ******
If you are unable to login please contact the UWM Help Desk.
Please be sure to let us know what SOIS courses you currently enrolled in.
Fig. 1
3)Once you login you should arrive at the following page.
Fig. 2
Select the windows icon in order to initiate the virtual lab session.
4) A new window/tab will open up, this is the HTML client. It will load your virtual desktop.
Fig. 3
5) The screen or window will look as follows if you connected successfully.
Fig. 4
6) Uploading/Downloading files
You will use the Citrix toolbar displayed on the screen to upload & download files to and from the virtual machine.
Fig. 5
The upload option will allow you to select files from your physical machine and upload them to the virtual machine to be worked on and edited.
The download option will allow you to download files from the virtual machine to your local/physical machine for saving and submitting.
7) Copy/Pasting
You can also copy and paste content via the Citrix toolbar. Simply by pasting (Ctrl + v) content into first into the clipboard, you will then be able to paste the content within the virtual lab.
Fig. 6
*Note: If you are inactive from the lab for 30 minutes or more, you will be logged out automatically. Please be sure to wiggle your mouse once every 30 minutes if you intend to remained logged in.
The Citrix Receiver application offers more advanced functionality, such as being able to directly map USB drives, printers and local storage.
1) Download the Citrix Receiver: https://www.citrix.com/products/receiver/
2) Install the Citrix Receiver
When installing the Citrix Receiver you can follow the default installation prompts.
Mac Os Versions
3) Configure the Citrix Receiver
After the installation is complete you will be prompted to add an account. Please do not enter your email address but instead enter the server address: desktop.sois.uwm.edu
**Note: Effective Fall 2019 you must first log onto the UWM VPN before accessing the virtual lab**
Next, you’ll be prompted to enter in your username. Please enter in your ePantherID (without @uwm.edu) and password. You may have to enter this information in twice!
4) Launching your Virtual Desktop
Now click on the “SOIS Desktop” and it will load in a separate window. Please note that this window may pop open behind the application.
Uwus Mac Os Catalina
5) Using the SOIS Desktop
You can use the desktop like you would a regular computer. There are advanced functions that can be viewed by clicking the navigation bar at the top. The options available will vary depending on your operating system.
Uwus Mac Os Catalina
You can upload and download files either via OneDrive, or by mapping a flash drive or local hard drive under “This PC”. The options you see will vary depending on the number and type of drives your has.
Mac Os Catalina
Please be sure to save your work somewhere other than the virtual machine often. When your connection ends the computers are automatically wiped to keep them clean for the next user. The current time out period is set to 30 minutes– so be sure to stay active at least one ever half-hour in the lab if you do not want to be disconnected.