Dec 26, 2017 Step One: Boot From Recovery Mode, or an Installer. RELATED: 8 Mac System Features You Can Access in Recovery Mode Your Mac’s Recovery Mode is a treasure trove of useful tools, and it’s the easiest way to wipe your computer and start from scratch. Shut down your Mac, turn it on while holding down Command+R. If OS X El Capitan came preinstalled on your new Mac, you’ll probably never need this article until you decide to sell it. At that time, it’s a good idea to erase the disk and install a fresh copy of OS X for the next owner. If you’re thinking about reinstalling because something has gone. On my MacBook Pro with OSX 10.13I had a 240gb Solid state hard drive, but I needed bigger! So I got a new Kensington 480gb SSD. During formatting and installation, OSX 10.7.5 is automatically installed can’t do anything about it!
At some point, everyone will experience a hard drive failure. When this happens, a Time Machine backup can save your data. Here are instructions on how to restore all applications and personal files from a Time Machine backup onto a new hard drive. Time Machine is a backup application made by Apple. It comes bundled with every Mac that shipped with OS X 10.5 or higher. It can be used to backup the contents of your Mac’s internal hard drive to an external hard drive or to an Airport Time Capsule. I’ve written previously about the importance of backups and how to set up and monitor Time Machine. The restore process requires you to first install OS X onto the new hard drive and then restore everything from your most recent Time Machine backup.
Jun 11, 2015 What media will be used to reinstall Windows to a new, blank hard drive? If Windows 10 is legally installed on a hard drive and the drive fails catastrophically how is Windows 10 reinstalled on the new drive? Is the qualifying information from the legal install stored somewhere in the motherboard's memory so you can install from a.iso file (a.
Reinstall Mac Os X From Usb
(If you’re looking for instructions on how to restore an entire Time Machine backup on to a new Mac read this.)
These instructions assume that your Mac is using OS X 10.7.0 or higher and that you’re restoring to the same Mac that was used when you made the Time Machine backup.
OS X Lion (aka OS X 10.7) introduced a feature called OS X Recovery. OS X Recovery lets you reinstall OS X from either the Recovery Partition or over the Internet from servers that Apple operates. Since your Mac has a new hard drive installed it won’t have a Recovery Partition so you’ll need to reinstall OS X over the Internet.
How To Reinstall Os X
Here’s how to use Internet Recovery.
- Turn on your Mac and hold down Command-R.
- Either plug-in an ethernet cable or you’ll be prompted to select your Wi-Fi network and then enter the password for your wireless network. (Note: Your Wi-Fi network needs to use WPA or WPA2 encryption. WEP encrypted networks are not supported.)
- When your Mac eventually starts up, you’ll see a window named OS X Utilities.
- Choose the option to install OS X. This will install the version of OS X that originally came with your Mac. Wait for the installation to finish. The amount of time that is required varies based on the speed of your Internet connection. (ImportantNote: In order to restore everything from your Time Machine backup your Mac needs to using the same version of OS X that was installed on your Mac when you made the Time Machine backup.)
- After the OS X install finishes, create a user account that uses a different name then the name of your user account in your Time Machine backup.
- Go to your Applications folder and open the App Store. Login using your AppleID and then click on Purchases.
- Install the version of OS X that your Mac was using when you made your Time Machine backup.
Now that OS X has been installed on your new hard drive, it’s time to restore everything from Time Machine.
- Again, turn on your Mac and hold down Command-R. Your Mac will now startup from it’s Recovery Partition that was created on your Mac’s new hard drive.
- You’ll see a window named OS X Utilities.
- Choose the Restore From Time Machine option.
- Click Continue until you’re prompted to Select a Backup Source.
- Select your Time Machine drive as the source and click Continue.
- In the Select A Destination window choose your Mac’s hard drive.
Wait for the restore to be performed. It could take several hours if you have hundreds of gigabytes of data.
Restart your Mac, as needed, and then login to your restored user account.