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Guide: Update OS X Mavericks to OS X Yosemite Using UniBeast and MultiBeast

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Ok great. To be honest I'm not sure how to make those changes on the USB installer. In the guide it shows that you edit/remove these files and lines first thing, when you boot into mavericks. Also, should I keep or trash the "installer.failurerequests" file that unibeast puts on the USB? Still not sure why it keeps making that. Thanks for your help.
 
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I just upgraded my system to Yosemite. I first did 10.10.0 and had no ethernet functionality. Hardware saw it but said cable was unplugged. I used Multibeast to restore my original settings (with addition of auto updated bootloader etc.) Then I tried the different kexts for my MB ethernet driver (Originally wasnt using any) And... I added trim support. Bad idea. hung at the boot screen with status bar half way. I then recreated the USB Yosemite loader using 10.10.1 and reloaded Yosemite from the USB drive following the instructions in this thread. (No trim support added, I have a Samsung 840 SSD for main boot drive) worked like a champ I am good to go! I read in a couple threads about the hung boot screens and the thought it was linked to the trim support. Not sure if that was my issue or not.

Thanks Tony and Crew,

Loving my Hack -- Jules
 
Joined
Jul 23, 2012
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Gigabyte GA-Z77X-UP5-TH
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So far so good on Z77 UP5-TH (which I've been running since Mountain Lion).

First attempt didn't work. I got stuck at the grey screen with the no smoking sign. Re-installed, rebooted from UniBeast and ran MultiBeast, deleted 3rd party Sata kext from /Extra, repaired & rebuilt kext caches in /Extra and /S/L/E, rebooted, cool!

I had to reconfigure my sound prefs to my audio interface, as they had reset to internal, no big deal.

Also, the boot time is very slow. Will look into this.

Otherwise, it seems to be working great!
 
Joined
Mar 5, 2014
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Success! Gigabyte x79-ud5 3930k

Here is a successful boot flag combo for..

Gigabyte x79-ud5 mobo
Intel i7 3930k
G.Skill Ripjaws X 1866Mhz (XMP)
Nvidia 640GT
Samsung 840 Evo 500GB SSD

-v npci=0x2000 UseKernelCache=No GraphicsEnabler=No PCIRootUID=0 cpus=1 maxmem=4096

After the installation finishes you will have to reboot. Boot from the Yosemite USB stick again with the same flags, but remove the "UseKernelCache=No" flag.

After booting into your desktop you should patch things up with MultiBeast so that you can boot with all of your CPU cores using the Voodoo kexts and don't forget to enable trim!.


Cheers!
 
Joined
Nov 6, 2012
Messages
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Gigabyte GA-Z77N-WIFI
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i5-3750K
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GTX 960
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  1. MacBook Pro
Ok great. To be honest I'm not sure how to make those changes on the USB installer. In the guide it shows that you edit/remove these files and lines first thing, when you boot into mavericks. Also, should I keep or trash the "installer.failurerequests" file that unibeast puts on the USB? Still not sure why it keeps making that. Thanks for your help.

When you boot into Mavericks, just plug in the USB installer. It should show up on your desktop, open it. It has system files like a regular OSX startup disk so go to: Extra/org.chameleon.Boot.plist. Right click it and choose Open With... pick textedit if you don't have a specific editor you use. Textwrangler is a decent free code editor too. Then you can edit the file and save it.
 
Joined
Mar 22, 2013
Messages
56
Motherboard
Gigabyte H77-DS3H
CPU
i5-3570K
Graphics
Radeon 5450 PCIe 2GB
Having a hell of a time getting Yosemite to work.

I successfully completed an upgrade install a few days back. I ran Multibeast and everything seemed fine - minus the sound.

I also updated the computer to the latest NVIDA graphics drivers.

I did a restart and since then, I haven't been able to boot and keep getting the "No Root Device" found.

In an earlier attempt to reinstall Yosemite (one of the few occasions I was able to get into the Yosemite install), only the USB drive showed up as the install location.

This was the first sign something was amiss.

At first the computer would load and eventually give me the "no smoking" sign after boot.

Now I can't even get that far and eventually the screen goes black.

Thinking it could be a multi part problem involving my video card (using a DVI connection) and something amiss with the boot sequence.

I've read through hundreds of posts and tried many variables -v -x -f but nothing will let me get into Yosemite.

Attached is a screenshot of the latest error.

I also tried removing my 560Ti Video card and booting using the motherboards video. If trying to do a hard drive boot I get the no smoking sign. When trying to boot into the USB Yosemite install i get in but the screen is totally garbled.

Using the "GraphicsEnabler=Yes IPGEnabler=Yes" does not correct the issue

Using "-v -x -f GraphicsEnabler=Yes PCIRootUID=1" i am able to get into the Yosemite install but the SSD Yosemite was earlier installed on is not listed as an install destination so I'm still at square one.

When doing "diskutil list" in Yosemite installer terminal the SSD drive (or my secondary Western Digital drive do not appear listed).

Any help is HUGELY appreciated!


20141126_122713.jpg
 

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Joined
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I was having issues upgrading and thought I'd pass along the info in case anyone is running into the same problem. During install my computer was kernel panic and shut off after about 10 minutes in the installation. After a couple hours I gave up and went to bed. The next morning everything installed fine.

The take away is if you are having a kernel panic and immediately shutting off then your computer is probably over heating. Let it cool down completely and try again.
 
Joined
Sep 13, 2012
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GA-B75M-D3P
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GA-B75M-D3P, i7-3770 system updated directly from Mountain Lion with no issues. Took awhile, but smooth sailing all the way through. Many thanks for the clear instructions, as always!
 
Joined
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Save all of your settings, files, apps, etc... by following this simple guide to upgrade OS X Mavericks to OS X Yosemite.

1. Boot OS X Mavericks
2. Remove /Extra/modules/FileNVRAM.dylib if present
3. Remove /System/Library/Extensions/GenericUSBXHCI.kext if present
4. Edit /Extra/org.chameleon.Boot.plist to remove the following 2 lines if present:

View attachment 107204

Just started my upgrade following this method and when I go to boot into the USB drive wit Yosemite, I get a grey screen with the following message.

Can't find /mach_kernel
Press any key to continue ...


When I hit the key, it takes me back to the "Choose your OS" screen.

Ideas?
 
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