- #Erasing usb flash drive mac how to
- #Erasing usb flash drive mac mac os
- #Erasing usb flash drive mac install
(There should be some tools to create a live ISO from a running live system, other distros like MX-Linux have virtually 1-click tools included). deb files "to ram" after booting, but creating a new live USB / ISO would make the changes permanent. You can even update a few packages by installing some. Just remember to store any files you want to keep on a real partition (like a 2nd or 3rd partition of the USB) or online. This can be great for experimenting with a new OS, it's hard to permanently "break" it. visiting the wrong website & getting malicious tracking cookies/software or messing with your web browser.giving root access to "some helpful pal online" who breaks everything or installs questionable programs.Any accidental errors like this are also lost with a reboot:.New software sources/PPAs can be tried & packages installed (provided you have the RAM), but are lost with a reboot.All new files & changes are in RAM, but are lost with a reboot.If you have followed all the steps correctly, your computer should now boot right into the newly installed operating system, OS X Yosemite.You can use a live USB as your main OS, as long as you have enough RAM (+4GB seems very usable, even 2GB should work). Step 7: Choose the Macintosh HD partition you erased in step 5 and then click Install.
#Erasing usb flash drive mac install
Now click on Install OS X and then hit Continue. Step 6: When the erasing process is complete, return to the first screen where you selected Disk Utility. This will wipe all files stored on your startup hard drive. Leave all the settings at their default values and then hit Erase button at the bottom right. Step 5: Click on Macintosh HD from the left hand-side pane and then hit Erase tab on the top-right portion of the window. Step 4: Click on Disk Utility and then hit Continue. This could take a few seconds or minutes. Step 3: Wait until the Yosemite installer appears on screen. Step 2: Choose the USB drive on the start-up drive selection screen and hit Enter/Return on the keyboard. As soon as the start-up chime plays, press the Option key (Alt).
Step 1: Ensure the bootable USB flash drive is plugged into your Mac and restart the computer.
#Erasing usb flash drive mac how to
How to Clean Install OS X Yosemite on Your Mac The OS X Yosemite bootable USB flash drive will be ready for use and you can start the clean installation process. Once the process completes, you will see the message " Copy Complete. Do not interrupt the Terminal or eject the flash drive during the process.
#Erasing usb flash drive mac mac os
You can do this by using the Time Machine feature in Mac OS X, or third-party software such as Carbon Copy Cloner.Ĭ) Create a bootable USB flash drive with a storage size of at least 8GB.ĭ) Download OS X 10.10 Yosemite Final from the Mac App Store and save it to the Applications folder – its default location. MacBook (Late 2008 Aluminium, or Early 2009 or newer)ī) Back up important data and settings (photos, videos, music files, documents and the like) on your Mac to an external hard drive.Supported OS X Yosemite devices and first stepsĪ) Ensure your Mac is compatible with OS X Yosemite. Apple macOS Sierra: How to reinstall the Mac operating systemīefore we begin the detailed process of clean installing OS X Yosemite on Macs, there are a few things you'll need to do first.
Beam me up: Nasa to use lasers for next-generation 'broadband internet' speeds in space.What is wireless charging and how does it work?.