Before You Begin 1. Register here at tonymacx86! If you don't have a user account,! Get our latest UniBeast and MultiBeast tools from the downloads section. Purchase a 16GB or larger USB drive. We strongly recommend performing a full backup of your existing system using Carbon Copy Cloner. ![]() Mac won’t start after Sierra installation If the installation has finished, but instead of Sierra you only see a dull grey screen, you can resort to hardcore restoring methods. One of them should fix Sierra issue with a failing startup. Oct 22, 2016 Random freezes. After upgrading to Sierra 10.12 same problem except it was now not random: it only freezes when waking from sleep. When I wake the computer everything looks fine visually until I try to click on something; as soon as I move the cursor and click on anything I get a beach ball that never ceases until I do a force restart. By doing this, you can always go back to your working installation. UniBeast is a tool that creates a bootable installer out of your downloaded version of macOS. In order to start fresh, you'll need access to a functional computer running OS X Lion 10.7.5 or later. This is a requirement, as you need access to the Mac App Store to download macOS and create the installation drive. To start from scratch, booting the 10.6 Snow Leopard Retail DVD directly, check out. Existing Clover users may do a direct update to macOS Sierra by simply running the Install macOS Sierra app as normal Mac users would. Follow these steps:. STEP 1: Download macOS Sierra The full operating system is a free download for anyone who has purchased Mac OS X Snow Leopard, Lion, or Mountain Lion or has a Mac preloaded with OS X Mavericks, Yosemite, El Capitan, or macOS Sierra. Download the Application from the Mac App Store using your Apple ID on any Mac or functional computer running OS X 10.7.5 or later. Open Mac App Store 2. Log in with your Apple ID 3. Download macOS Sierra The Application Install macOS Sierra 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 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. How to erase internet cache for only one site macbook. If your system has IO SerialPort, disable it 8. Set XHCI Handoff to Enabled 9. If you have a 6 series or x58 system with AWARD BIOS, disable USB 3.0 10. Control alt delete for windows on mac. Split calendar in outlook for mac. Save and exit. STEP 4: Install macOS Sierra You're almost done! All you need to do is boot from the USB drive and install! For best results, insert the USB in a USB 2.0 port. Turn on the computer 2. Press the hotkey to choose boot device (usually F12, F11, F10, or F8) 3. Choose USB 4. At Clover boot screen, choose Boot Mac OS X from USB 5. When you arrive at the Installer, choose language. If you have issues reaching the installer, you can use spacebar on boot screen to enter alternate boot modes such as verbose and safe mode. For more instructions on entering boot flags see. You now have a fully updated bootable version of macOS Sierra on your CustoMac! And a super handy USB rescue drive. It's easy to get frustrated, but don't give up! If you get stuck, there are many users with similar hardware in the tonymacx86 Forum to provide support. Thanks to all of the hard working developers, hackers, and testers all over the world without whom this guide would never have been possible. Troubleshooting and Optimizations: After you've completed the guide, things such as HDMI audio and iMessage may not work automatically. The list below should serve to fully optimize your system after initial setup. This list will be updated. Alternate NVIDIA Graphics Drivers NVIDIA releases alternate graphics drivers separately on the web for each build of macOS. 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. These drivers are currently the only method to get full acceleration for GeForce GTX 1050, 1050 Ti, 1060, 1070, 1080, 1080 Ti, TITAN Pascal, and TITAN Xp 'Pascal' graphics cards and NVIDIA GeForce GTX 750, 750 Ti, 950, 960, 970, 980, 980 Ti, and TITAN X 'Maxwell' graphics cards.
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