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#USB RECOVERY MAC OS X MAC OS X#
#USB RECOVERY MAC OS X INSTALL#
#USB RECOVERY MAC OS X SOFTWARE#
#USB RECOVERY MAC OS X PASSWORD#

Use a USB flash drive or other secondary volume to create a bootable installer.

#USB RECOVERY MAC OS X INSTALL#

Use the App Store to download and install the latest macOS or an earlier macOS.

#USB RECOVERY MAC OS X MAC OS X#

You can also use these methods to install macOS, if the macOS is compatible with your Mac: USB problems: devices not recognized, more, fixes Since Mac OS X 10.4.10 makes major modifications to the USB subsystem in Mac OS X, its no surprise that many users are experiencing significant.

If you've just erased your entire startup disk, you may only be offered the macOS that came with your Mac, or the closest version still available.

If the Mac logic board has just been replaced, you may only be offered the latest macOS that is compatible with your Mac.

Or you can use Option-Command-R during the startup process to be offered either the latest macOS that is compatible with your Mac, or in some cases the macOS that came with your Mac or the closest version still available.

On an Intel-based Mac, you can use Shift-Option-Command-R during the startup process to be offered the macOS that came with your Mac, or the closest version still available.

Disk Utility will restore the OS X Install DVD or disk image to the USB drive this process may take anywhere from 20 minutes to an hour. At the bottom right-hand corner of the screen and click the Restore button. Drag-and-drop the Mac OS X Install Drive disk into the Source box. When you install macOS from Recovery, you'll get the current version of the most recently installed macOS, with some exceptions: Drag-and-drop the USB drives partition into the Destination box. When the new owner starts up the Mac, they can use their own information to complete the setup process. If you're selling, trading in or giving away your Mac, press Command-Q to quit the assistant without completing setup. When the installation is complete, your Mac may restart to a setup assistant. Your Mac may restart and show a progress bar several times, and the screen may be empty for minutes at a time.

Allow installation to complete without putting your Mac to sleep or closing its lid.

If the installer offers you the choice between installing on Macintosh HD or Macintosh HD – Data, choose Macintosh HD.

If the installer can't see your disk or notifies you that it can't install macOS on your computer or volume, you may need to erase your disk first.

#USB RECOVERY MAC OS X PASSWORD#

If the installer asks to unlock your disk, enter the password you use to log in to your Mac.

To start the installation process, select Reinstall macOS from the utilities window in macOS Recovery, then click Continue and follow the onscreen instructions.įollow these guidelines during installation:

From there you should be able to wipe the hard drive and reinstall Yosemite.Reinstalling macOS won't remove data from your Mac. That should bring you into something that's identical to the Recovery HD for all intents and purposes (the only difference being that you don't need to redownload the OS X installer it's stored locally). When that's done, plug that USB drive into the El Capitan Mac, hold down Option and turn the Mac on, and select Install OS X Yosemite from the list of startup drives. Type your admin-level account password when prompted, and then press Return.Paste the copied command into Terminal and press Return. The Mac OS X USB installer repairs the Mac’s hard drive in the case of emergency. Warning: This step will erase the destination drive or partition, so make sure that it doesn’t contain any valuable data. This Mac OS X Flash drive can be used to install Mac OS X efficiently, even on a Mac without an internet connection. Launch Terminal (in /Applications/Utilities). It is, in essence, a small (650MB) partition on your Mac’s internal hard drive (traditional magnetic HDD or solid state disc SSD) that is ‘hidden’ and reserved for common utilities such as Disk Utility.

#USB RECOVERY MAC OS X SOFTWARE#

Volumes/Untitled -applicationpath /Applications/Install\ OS\ X\ The recovery partition is a new feature of OS X that allows you to restore system software to your Mac with just a few clicks, without the use of DVDs or USB drives. Yosemite.app/Contents/Resources/createinstallmedia -volume Select the text of this Terminal command and copy it: sudo /Applications/Install\ OS\ X\ It before installing Yosemite, you need to move it back before making Main Applications folder (/Applications). The drive is named Untitled.) Also, make sure the Yosemite installer,Ĭalled Install OS X Yosemite.app, is in its default location in your Here are the instructions, copied from the linked article:Ĭonnect to your Mac a properly formatted 8GB (or larger) drive, and rename the drive Untitled. To do that, you need an 8GB USB drive and the Yosemite installer downloaded.

If you have another Mac, you should make a bootable Yosemite drive.