Final how to create a bootable os x 11.1
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This document provides instructions for creating a bootable OS X 10.11 USB drive using an empty USB drive with a minimum of 8GB capacity. It involves downloading OS X from the App Store, formatting and partitioning the USB drive using Disk Utility, and using Terminal to copy the OS files from the computer to the USB drive. Once completed, restarting the computer while holding the option key will allow booting from the USB drive, providing a portable way to reinstall the OS or access files. Proper formatting and following the steps carefully is important to avoid data loss.
Final how to create a bootable os x 11.1
- 1. David Sahagian Priscilla Sneff Instruction Set April 12, 2016 How to Create a Boot-able OS X 10.11 USB Drive The modern MacBook Pro no longer comes equipped with a CD drive and the computer’s operating systemdue to malfunctions can be difficult for some users. In most startup issues the hard drive remains fine and the user’s data is merely not accessible because the virtual startup disk cannot be found. If one does not wish to bring their computer in to be serviced or perform another type of Online reinstall that can take hours, making a boot-able USB drive by install the operating system directly is useful. Formatting a startup USB drive takes three operations to complete. The USB drive acts as conventional CD but is plugged into the USB port and booted upon startup. Lastly, follow these instructions carefully and do not rush. WARNING: Back-Up all Important Data to another computer or external hard drive in the event of an error. This will prevent the loss of your data. --Necessary Items-- You will need all of the following items in order to properly configure the USB drive successfully and most are available right on your MacBook Pro Empty USB Drive (8 GB Minimum Capacity) MacBook Pro Installed Updates from the Apple App Store Downloaded Setup of OS X11.1 Basic Knowledge of Navigating Amongst Apps I. Downloading OS X 10.11 This download should be done first as it will take a few hours depending on your internet connection and can be installed in the background as other parts of the procedure are executed. Warning: Do not do anything to OS X if it installs beforeyou finish theseInstructions. 1. Open the App Store on your MacBookPro a. It is typically located in your dock or press Command +Space at the same time and search App Store in the Search Bar that pops up. 2. If you are not already logged in you will need to log in to your Apple ID when prompted 3. Search “OS X El Capitan" in the App Store Search Menu 4. Click Download and being waiting for it to complete NOTE: The Icon and download button will look like Figure 1 ⇒ Figure1
- 2. II. Configuring the USB Drive This section of instructions requires the Disk Utility Application to format the USB drive as Apple compatible. Also, the use of a command in the Terminal Application is necessary. Both of these applications are located under applications folder in the Utilities Folder. However, you may use Spotlight by pressing Command+Space at the same time and search them just as easily. 1. Connect the USB into your Mac 2. Open the Disk Utility App through Spotlight Search or the Utilities folder inApplications a. See Figure 2 For Application Images Figure 2 3. Navigate to the USB Drive from the Side Menu a. The USB name will be the brand of USB purchased and be under “External” section. Note: See the Highlighted Selection in Figure 3)⇒ 4. Click Erase on top of the Disk UtilityMenu a. Under “Name” Call it “OSX 2” for simplicity. b. Under Format select “OS X Extended (Journaled)” c. Under Scheme select “GUID Partition Map” d. See Figure 4 5. Press Erase with this format in Figure 4 ⇒ Figure 3 Figure 4
- 3. Figure 5 III. Finalizing the USB Drive Using Terminal During this part of the installation follow these instructors exactly and do not type anything into terminal other than instructed. Terminal can control anything from User Files to Core System files and should used carefully. OS X must be finished installing to proceed. Terminal will remove the “Install OS X” systemfiles from your Mac to the USB. Note: If OS X has downloaded and is open close the Application now. 1. Open Terminal from Spotlight or the same folder as Disk Utility. 2. PASTE The following Command into the terminal window and press Enter: sudo /Applications/Install OS X EL Capitan.app/Contents/Resources/createinstallmedia --volume /Volume/OSX 2 --applicationpath /Applications/Install OS X El Capitan.app –nointeraction Warning Under the “Name of Your USB Drive," It Must Match your entry exactly and do not usequotes. Note: The text before the command will vary from user to user on the computer. 3. You must type in your user password once the command has beenentered 4. Allow 45 minutes as Install OS X un-embedded from your Hard Drive and installed onto the USB completely. a. Do not close out Terminal or remove the USB; let this run in thebackground. Successful Installation Verification This process involves shutting down your Mac completely and restarting using a startup command. It is fairly straightforward and if successful you have an portable OSX El Capitan USB Drive to Use to Salvage files, reinstall the operating System, or run OS X El Capitan on a USB if you prefer not to personally upgrade. If nothing appears you have to resume from Step II. 1. Shut Down your MacBook Pro with the USB connected 2. Press the Power Button and immediately hold down the Option (Alt) key on the keyboard during startup. 3. A screen will appear with a list of startup disks including the names USB you just configured 4. Click your Hard Drive to startup your MacBook normally or select the USB drive to boot into a fresh version of OS X that will allow you to set up your computer as if it was brand new.
- 4. *AdditionalInformation Booting into the new empty startup drive will have no effect on your hard drive or its files, it is merely a blank operating system for you to use as you please. Use it for a mobile Mac setup on other Macs, or to restore a damaged startup disk on your current hard drive. Keeping the USB Drive untouched and not creating any accounts assures that a fresh operating is always available for quick emergency laptop use in times of internal startup disk trouble. For further reading on restoring hard drives visit Apple’s Support Page. Below is a link to further explore and understands the capabilities of Disk Utility. http://www.macworld.com/article/2987201/operating-systems/hands-on-with-disk-utility- in-el-capitan-tool-for-storage-devices-gets-a-facelift.html