I’m not get it why Apple continuously releasing Developer previews and Beta updates since after WWDC in the month of june 2014,Now we have Developer previews 8 and Beta update 3 its all because Apple but when Apple officially release MAC OS X Yosemite (10.10) ? I guess in this October it will surely release.This guide is all about Public Beta update version 3(Build 14A361p) which you can also download from App Store like Public Beta 1 but for that you need to login on OS X Beta Program and download the OS X beta testing program using some redemption code.using that code user can download Mac OS X Yosemite from app store
All in one OS X Yosemite Beta Hackintosh Guide
Requirements for making USB Installer
4.Restore “OS X Base System” to your USB Flash Drive using disk utility
5.Navigate to USB drive/System/Installation & Delete the “Packages” Alias then copy the “Packages” folder from “OS X Install ESD” to this location.
6. Copy BaseSystem.chunklist and BaseSystem.dmg from InstallESD.dmg to USB
8. Create the new folder name as “Extra” on the USB
9. Put SMBIOS in Extra folder 8.1 for Laptop support and 3.1 for Desktop support
10. Copy Following kexts to /USB/System/Library/Extensions/ on your USB stick
If you are HP user like me then simply Add cpus=1 along with kext-dev-mode=1 for botting OS X to avoid Kernel Panic related to LocalACPI see the images for better understanding
13.Download MBR Patch and add the patch once done everything install the Mac OS X Yosemite 10.10 (Build 14A361p) and enjoy the new update.
Read Mac OS X Yosemite Hackintosh Guide 10.10 (14A389)
This guide is also suitable for For all Beta U Golden Master Candidate Version 3.0 for that you have to Download and install Yosemite Golden Master Candidate Version 1.0 and then you have to update it from App Store,No extra Kext is needed after updating to Golden Master Candidate Version 3.0 from Golden Master Candidate Version 2.0 or 1.0 update is just a cosmetic changes.
Note:Do not add kext on this location /USB/Extra/Extensions/ because sometimes kext will not load if kext dose not load you never reach the Installer screen & following guide is tested on Golden master Candidate 1.0,2.0 and 3.0.