​The following guide is a complete walkthrough for installing a fresh version of OS X Yosemite. It requires no experience and all of the necessary installation and post-installation tools are available on tonymacx86.com. UniBeast is a tool that creates a bootable installer out of your downloaded version of OS X. In order to start fresh, you'll need access to a functional computer running Mac OS X Snow Leopard 10.6.8 or later. This is a requirement, as you need access to the Mac App Store to download OS X and create the installation drive. To start from scratch, booting the 10.6 Snow Leopard Retail DVD directly, check out.

​ Before You Begin 1. Register here at tonymacx86!

If you don't have a user account,! Get our latest MultiBeast and UniBeast tools from the downloads section. Purchase a 8GB or larger USB drive. Do a The following guide is meant as a fresh installation method.

To perform an update from OS X Mavericks to OS X Yosemite, saving system settings, data, and apps follow. 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. Open Mac App Store. Log in with your Apple ID. Download OS X Yosemite The Application Install OS X Yosemite will appear in /Applications.

​ STEP 3: Recommended BIOS Settings If you're installing on a recommended CustoMac desktop with AMI UEFI BIOS, the options are simple. For other systems make sure to set your BIOS to Optimized Defaults, and your hard drive to AHCI mode. Here are standard AMI UEFI BIOS settings for,. To access BIOS/UEFI Setup, press and hold Delete on a USB Keyboard while the system is booting up. Load Optimized Defaults. If your CPU supports VT-d, disable it.

If your system has CFG-Lock, disable it. If your system has Secure Boot Mode, disable it. Set OS Type to Other OS. Save and exit.

How To Boot Mac Os X 10.5 From Rocketraid Esata For Mac Mac

​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. Also, if you need help with what to use for your graphics card, see the post. ​ STEP 5: Post-Installation Using MultiBeast MultiBeast is an all-in-one post-installation tool designed to enable boot from hard drive, and install support for Audio, Network, and Graphics. In addition it includes System Utilities to repair permissions and a collection of drivers and config files.

The installation is complete, but the drive isn't bootable yet. Boot from the USB again, this time choosing Yosemite. Turn on the computer 2.

Press the hotkey to choose boot device 3. Choose USB-HDD 4.

At the Chimera Boot Screen, choose your new Yosemite installation. Complete OS X Yosemite setup. ​ Troubleshooting and Optimizations: After you've completed the guide, things such as HDMI audio and iMessage may not work automatically and universally. The list below should serve to fully optimize your system after initial setup.

Alternate NVIDIA Graphics Drivers NVIDIA releases alternate graphics drivers separately on the web for each OS X build. These are different from the drivers Apple ships as standard, and should be considered experimental.

In the past, the drivers have been known to solve OpenCL issues with certain applications, as well as providing better native GPU power management for certain devices. They also will enable the latest 'Maxwell' cards to work with full acceleration- NVIDIA GeForce GTX 750, GTX 750 Ti, GTX 970, and GTX 980.

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