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Install OS X Yosemite 10.10

Discussion in 'Apple Guides' started by Administrator, Jun 12, 2018.

  1. Administrator

    Administrator Administrator Staff Member

    Apr 6, 2017
    Likes Received:
    STEP 1: Download OS X Yosemite

    The full operating system is a free download for anyone who has purchased Mac OS X Snow Leopard, Lion, or Mountain Lion, or a Mac preloaded with Mavericks. Download the Application from the Mac App Store using your Apple ID on any Mac or functional computer running Mac OS X 10.6.8 or later.

    1. Open Mac App Store
    2. Log in with your Apple ID
    3. Download OS X Yosemite
    The Application Install OS X Yosemite will appear in /Applications.

    [​IMG] 4. Click on the Partition tab
    5. Click Current and choose 1 Partition
    6. Click Options...
    7. Choose Master Boot Record
    8. Under Name: type USB (You can rename it later)
    9. Under Format: choose Mac OS Extended (Journaled)
    10. Click Apply then Partition
    11. Download and run UniBeast
    12. Click Continue, Continue, Continue, Agree
    13. At Destination Select, choose USB and click Continue
    14. Choose Yosemite on the Select OS Installation screen
    15. Click Continue
    16. If using a 5 or 6 Series system with AWARD BIOS choose Legacy USB Support
    17. If using a laptop, choose Laptop Support
    18. Click Continue
    19. Enter password and click Install
    UniBeast will now create the bootable USB drive. The process will only take about 10-15 minutes, depending on system and drive speed. Do not unplug or stop during this time.

    20. Drag MultiBeast to your completed USB drive.
    1. To access BIOS/UEFI Setup, press and hold Delete on a USB Keyboard while the system is booting up
    2. Load Optimized Defaults
    3. If your CPU supports VT-d, disable it
    4. If your system has CFG-Lock, disable it
    5. If your system has Secure Boot Mode, disable it
    6. Set OS Type to Other OS
    7. Save and exit.
    If you have trouble reaching the installer, type -x at the Boot screen as shown below. You can type the boot flags GraphicsEnabler=Yes, PCIRootUID=1, maxmem=4096, maxmem=8192, and npci=0x2000 by themselves or together in order to solve boot issues for older graphics cards and machines. Type -v to bypass the Apple boot screen and enter verbose startup mode. X58 and X79 systems always need npci=0x2000. For further explanations of boot flags, check out the post here. Also, if you need help with what to use for your graphics card, see the post here.
    5. When you arrive at the Installer, choose language.
    6. For a new installation of OS X, you MUST erase and format the destination drive according to the following steps before continuing.
    a. In the top menu bar choose Utilities, and open Disk Utility
    b. Highlight your target hard drive for the Yosemite installation in left column.
    c. Click Partition tab
    d. Click Current and choose 1 Partition
    e. Click Options...
    f. Choose GUID Partition Method
    g. Under Name: type Yosemite (You can rename it later)
    h. Under Format: choose Mac OS Extended (Journaled)
    i. Click Apply then Partition
    j. Close Disk Utility
    7. When the installer asks you where to install, choose Yosemite, or your existing install.
    8. Upon completion, restart the system.


    [​IMG] 6. Open and run Multibeast
    7. If this is a fresh installation, click Quick Start to choose EasyBeast, UserDSDT, or DSDT-Free.
    8. Click Drivers for Audio, Graphics, and Network options
    9. Click Customize for further options
    10. Click Print or Save to back up your configuration
    11. Click Build then Install
    12. Restart computer to complete installation

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