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Done, after a couple of tries it worked (using the command line procedure didn't work, I had to usi UniBeast). However, due to the changes in USB, my Bluetooth Controller doesn't work anymore and I couldn't manage to make it work. I don't have an DSDT for ACPI configured (tried to configure one...

SSD firmware is already up-to-date and there is no update in the App Store either for anything else in OS X. I just restored the system via Time Machine and trying again to upgrade via MAS (3rd time), and it failed.

Already done that. This was my 2nd try, that's why I posted in the forum - none of the solution I thought of worked. :(

That's what I did: I copied the kexts in the EFI partition from 10.10 to 10.11 and updated via MAS. And I got the aforementioned error. That's why I'm confused. It should work smoothly. I've been using 10.10.4/5 for several months (with Clover) and it's rather stable – apart from some clock...

I've been on Clover with Yosemite for a while and everything works perfectly! So I thought I could use that guide to update directly without creating an installer or doing a fresh install. I've been reading around the forum that this error might occur with some Samsung SSDs? And I happen to...

I am trying to update directly from Yosemite to El Capitan following the guide on this forum (http://www.tonymacx86.com/el-capitan-desktop-guides/172107-direct-update-os-x-el-capitan-using-clover.html). The process fails through the installation with the following error: I have tried to...

I have been using VoodooHDA 2.8.7 to enable the audio on my laptop. Everything worked fine till today, when I decided to update to OS X 10.10.3 and the audio stopped working. I tried to update VoodooHDA to 2.8.8d1 but it didn't help. The kext doesn't seem to get loaded at boot (it doesn't show...

I am not completely sure about the power management as it's a laptop and it's not really easy to configure. I will look into it and see if I can make it work (unless it does already, I would not know how to check).

Since I've switched from Chameleon to Clover, my clock is having issue (and this is also affecting the audio). I have tried to set Bus Speed kHz in Clover Configuration with different values but nothing helped. My CPU is Intel® Core™2 Duo Processor T7300 (4M Cache, 2.00 GHz, 800 MHz FSB). 800...

I already replaced the kext in /S/L/E with AppleRTC.kext from the OS X Yosemite (10.10.2) installation disk, but it still appears as version 1111: I removed the Clover patch option but there is still a patch in the DSDT. Could it be that?

I am using Clover with Yosemite. My system has been having this problem since Mavericks (Chameleon). I use to use AppleRTC_patch.kext and now I am using “Apple RTC” patch in Clover. I also applied an AppleRTC patch to my DSDT.aml. Despite all this I keep getting AppleRTC errors. Sometimes the...

After the upgrade to Yosemite (Clover), I cannot make the sound work properly. On Mavericks (Chameleon) I use to use VoodooHDA. Everything worked perfectly. After the upgrade the sound is very crackling, both through the speaker and the headphones. I tried some tweaks I found online like...

I just solved using boot7! I think that my system doesn't support boot5 (?). Clover works perfectly from Mavericks now and I'm trying to update to Yosemite. During the installation process I keep getting errors with launchd and it says please switch to XPC or bootstrap_check_in(). Is it...

I'm booting from USB but in BIOS (legacy) mode. My system does not support UEFI. :)

I tried installing Yosemite through Clover: I create the installer, I boot from the USB stick. The screen shows b1f: init then it changes to another black screen with only an “_” in the top corner. The LED of the USB stick turns off and nothing happens anymore. I tried installing using a...

I tried creating the USB stick for Yosemite and installing Clover using the procedure. I have a non-UEFI system (BIOS). However, when I boot the computer, it briefly shows b1f: init, then the screen is black and there is only a white underscore. The LED of the USB stick turns off. And nothing...

I already installed Mavericks using Unibeast, but I wanted to install Clover instead of Chameleon. :(

I am sorry. I have updated my profile following the advice. I hope it's enough!

I am trying to install OS X Yosemite. I created a USB installer following the guide, but when I put it in my PC and boot from the USB stick, the screen first shows boot1: /boot 5 Then it switches to another black screen only showing _ I tried adding “-v” in config.plist under Arguments​...

@jaymonkey Do you reckon that MLB/ROM from a 2007 Macbook (white one) would work?