Archive for January 2020

Stuck on this screen on OpenCore boot CPU: I7 7700K GPU: RX 5700 MOTHERBOARD: GA-Z170X Gaming 7

OpenCore or Clover for laptop Dell 7577?

Does anyone run OpenCore on a laptop? How hard is it? Can I tranfer my SSDT's/config.plost from Clover to OpenCore or do I have to stary from fully scratch again?

submitted by /u/growapairdude
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Choosing the right parts (AMD)

I'm planning to build a hackintosh PC, I chose the parts and been thinking if there are any better choices so here is my list:

CPU: Ryzen 9 3950x with noctua cooler RAM: 2x32GB Corsair vengeance LPX 3200 Motherboard: ASRock x570 phantom GPU: XFX Radeon VII Storage: 1tb nvme, 2tb m.2 PSU: Sf750 Corsair Case:Lian Li tu150


submitted by /u/cxcxcxcxcx
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A friend of a friend sucessfully install Nvidia Driver on MacOS Cantalina.

Mojave boot stuck on "Security Policy Loaded: Safety Net for Time Machine"

I'm using an Asus X53-SV

Core i5

4gb RAM

Nvidia Optimus GT 540M (Switches between Nvidia and Intel Graphics)

I've installed Niresh Mojave onto my SSD, however no matter what boot arguments I use the boot gets stuck at "Security Policy Loaded: Safety net for Time Machine (TMSafetyNet)". This happens whether or not I boot recovery, or macOS.

The install USB boots fine when in legacy, and installs, however when booting the USB in UEFI, it doesn't boot properly. After installing Niresh Mojave to my SSD, in Clover the only time the option to boot macOS shows up is when booting in UEFI, not Legacy.

Any suggestions?

submitted by /u/Blocky-Boi
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Z370 or Z390?

Well, the question speaks (or asks) for itself. In the sense of maximum utility from Hackintosh.

submitted by /u/Basriy
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BCM94352hmb on Catalina 10.15

BCM94352hmb on Catalina 10.15

Hi, I have upgraded from Mojave 10.14.6 to Catalina 10.15.2, and suddenly I saw that my wifi isn't working. I checked through google, and forums but didn't find how to solve this problem.

Pls help me to get my WiFi work

My kexts folder:

submitted by /u/TheCrystalm3th
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Moving from RX 480 to RX 5700 XT Asrock H270 ITX/AC

I wanted to play some newer games on my HTPC hackintosh but I had an MSI RX 480 4GB that was aging and wanted to upgrade to a 5700 XT. Bought the Gigabyte Gaming OC 8GB version. Purpose of this post is to laugh at myself, jot some notes down, and help anyone in the future who has this motherboard or similar problems.


  • CPU: Core i5 7600
  • Motherboard: ASrock H270 ITX/AC
  • RAM: TeamGroup DDR4-2400 16GB RAM
  • Old Video Card: MSI RX 480 4GB
  • New Video Card: Gigabyte Gaming OC 8GB
  • PSU: Seasonic FOCUS Plus 650 Gold
  • SSD macOS: Samsung 960 EVO 500 GB
  • SSD Windows: SanDisk Extreme Pro 240 GB
  • HDD Storage: Apple HDD 500 GB (salvaged from my Late-2014 Mac Mini)
  • Case: Cooler Master Elite 130
  • Cooler: Cooler Master MasterLiquid Pro 120
  • Wifi/Bluetooth: BRCM94360CS2 with a NGFF(M.2) Key A/E Adapter


  • Had an already working OpenCore, USBMap
  • Made sure kexts were up-to-date including Lilu and WEG
  • Added the adgpmod=pikera boot flag
  • Made sure I had a backup "known good" EFI on a flashdrive

What I should have done

  • Install the new card
  • Reset the motherboard CMOS
  • Boot into Windows SSD and update the VBIOS from Gigabyte
  • Used OpenCore's reset NVRAM function before attempting to boot into MacOS

What actually transpired

  • First, after installing the new card, my motherboard did not detect anything in the slot. I was able to use IGPU in Bios/Windows. Swapping back to my RX480, system worked.
  • Reset the CMOS! Short those jumpers.
    • Finally able to POST with HDMI plugged in via video card
    • Windows detects and installs card fine, able to play the game Control on High settings. Yummy.
  • Booted into macOS
    • I can see the initial boot apple logo progress bar, but when the display initializes I got only a completely black screen (different than my TV's "no display connected" error)
    • Good thing I have a backup Macbook Air and Screen Sharing turned on, able to do some troubleshooting...
  • Reset NVRAM with OpenCore
    • Cool the card now outputs after boot and I can access my macOS desktop!
    • Bad news bears: no video during post or reboots between OSes
  • Weird audio hissing/popping/video stuttering
    • YouTube videos, Twitch, files directly off of my NAS...
    • Good grief what the heck! It's completely fine in Windows. What is going on here?
    • There's some kind of weird audio clock issue. I have a wireless USB headset and microphone device, and my soundbar. I usually use a Multi-output device in the Audio MIDI Setup app to output audio to both devices so I don't have to switch manually. When I messed with the sample rate sometimes my audio would output at a lower pitch or get more poppy.
  • I Changed my SMBIOS from iMac18,3 to iMacPro1,1
    • Not sure if this was necessary, but I was changing lots of things to try to get rid of the audio problems
  • One Day Later...
    • Maybe the power table is messed up in Mac OS. Wait... you never updated the card's VBIOS!
  • Boot into my Windows SSD and update the 5700 XT's VBIOS
    • Gigabyte website says, on the new BIOS "Reduce the GPU temperatures by increasing the default fan speed." It fixed more than that for me!
    • Audio problem solved!
    • The card now outputs during POST and OS Boot as well as reboots in-between the OSes!
  • Huzzah!

I also did a lot of other junk like disabling onboard audio and AppleALC.kext since I never really use onboard audio this seemed reasonable. Fiddling with the IGPU settings in BIOS, and many more useless things. All told, took me about 3.5 hours to figure everything out.

I hope someone in the future finds this to be helpful.

submitted by /u/drebin_717
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Future of 3rd gen Threadripper chips on Hackintosh

The third gen threadripper chips have been out for a "while" now, and on the official

amd-osx website, it is stated that it will boot but has chipset issues, and won't work very well.

Is there any update to this, or will there be an update to this in 2020?

Some background:

I am building a hackintosh with a 1080ti, high sierra 10.13.6 for light tensorflow training on macos, just in case I lose access to my campus's gpu cloud. (I had this problem before, and it wasn't fun. I will lose it when I graduate too, which is also not fun!)

I also want a lot of cores due to some other operations I will be performing. Thus the decision to build with threadripper. The hack won't be built for a year or so, so I was wondering about its future.

submitted by /u/CoderStone
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RX580 power consumption issue


I recently bought an RX580 pulse GPU, for my High Sierra hackintosh system. My problem is, that memory runs 2.000mhz all the time, and the idle power consumption is 90W. How can I lower it? What could possibly cause this?

Thank you!

submitted by /u/r3dsnake
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Some warning in console

Hi guys,

Im running HS olarila in my desktop with i5 6600 with no any eGPU.

its working perfectly, except with sleep and one issue. every single minute, theres a warning code in my console:

iMac[1] ([1040]): Service exited with abnormal code: 1

iMac[1] ( Service only ran for 0 seconds. Pushing respawn out by 10 seconds.

is it okay? Im afraid if my hardware will brick lol


submitted by /u/redvamik
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Converting to OpenCore was harder than I thought but I recommend it.

Catalina 10.15.2 on thinkpad P53s without graphic acceleration

Hello, I am able to install Catalina 10.15.2 on thinkpad P53s using vanilla guide (already patch HD620 iGPU), but there is no graphic acceleration. Here is my EFI, please give me some help.


For dGPU, I already disable it follow this guide:

Thank you and good day.


CPU: Intel Core i7-8665U Processor (1.90GHz GHz 8MB)

GPU: NVIDIA Quadro P520 2 GB GDDR5/ intel UHD 620

RAM: 16.0GB PC4-19200 DDR4 Soldered 2400MHz

SSD/ HDD: 1TB SSD Samsung PCIe

Motherboard/Laptop model: Intel Coffee Lake-U/Y PCH rev. 30/ Thinkpad P53s

BIOS: Lenovo version 1.60 (12/30/2019)

Screen: 15.6 "FHD IPS AntiGlare LED Backlight 1920x1080

Ethernet Card: Intel I219-LM

Wifi/BT Card: Wireless Intel AC adapter 9560 2x2ac with BT5.0

submitted by /u/Franklin_NGO
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Help for Sapphire Rx 590 Nitro+ 8 GB hackintosh

Hello everyone! Recently I bought Sapphire Rx 590 Nitro+ 8 GB. It am trying to couple it with Catalina. But getting black screen. My configuration is:

I5 9600k

Gigabyte Z390 Aourus Elite

Gskill DDR4 3200HZ 32GB

Samsung NVME 970 plus 500 GB

Corsair VS550 power supply

Thank you!

submitted by /u/durgesh2018
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(Help) (vanilla) installer stuck on failed getting nvram 980ti High Sierra, i7-9700, asus z390-i gaming, wd blue nvme drive (macos planned to be installed on Sata samsung 850 evo) am complete beginner, followed the guide in the sidebar

Dreamt of this moment for years! – ASRock Phantom mITX Z390 | i9-9900k | OpenCore | Catalina


After dreaming about building a Hackintosh for quite literally almost a decade, I finally got the time (and money) to do it. There were a few hiccups but overall, it was so much easier than I anticipated and saved me thousands! This baby screams compared to my old 13-inch MacBook.

Install Info

  • Bootloader: OpenCore 0.5.5
  • Initial macOS version: macOS Catalina 10.15.2
  • BIOS ver.: v4.20 – I saw some guides for this motherboard that said to try to downgrade to a different BIOS version, but I had no problems on this version. All OpenCore Vanilla guide recommended BIOS settings were applied except disabling CSM made my build not POST, so I just reset the BIOS with the reset button and installed without disabling CSM and it's been fine.
  • SMBios: Macmini8,1 – initially tried iMac18,1 then ended up switching to this one and sticking with it. Didn't really notice a difference.

Build Details:

  • Case: Thermaltake Core V1 (Snow Edition)
  • Motherboard: ASRock Z390 Phantom Gaming-TX/ac
  • CPU: Intel i9-9900k 3.6GHz
  • CPU Cooler: Noctua NH-C14S w/ inc. thermal paste (almost had a breakdown trying to screw this in, but I got there!)
  • GPU: iGPU
  • RAM: Corsair Vengeance 3000MHz 16GB (2x8GB)
  • PSU: Seasonic 550w Focus Gold
  • SSD: Samsung EVO Pro 500GB
  • HDD: 3TB external Seagate Expansion drive that I cracked open to make internal
  • WiFi/Bluetooth Card: Dell DW1560 (Broadcom BCM94352Z)
  • Monitor: HP Envy 27" 4K

What's working:

  • Updates – Updated successfully from 10.15.2 to 10.15.3 using the System Preferences updater without any problems.
  • Sleep/Wake – Haven't tested extensively, but the computer sleeps and wakes up without issue. I did turn off Power Nap because I think it was messing with sleep.
  • Graphics – Struggled with this a lot. The iGPU was recognized from the start by macOS but absolutely would NOT output 4K to my monitor (maxed at 2560x1440p). I read every post about this motherboard/CPU, and nothing worked. I even tried doing bus ID patching in case that was the problem, but it wasn't. What finally worked for me was simply not applying Framebuffer patches at all. I copied the OpenCore guide's settings for Coffee Lake, but what worked was just disabling the patch and letting macOS recognize it and sort it out!
  • WiFi – slow (more below) but otherwise working fine. The installation of the card was fairly easy although I did it after the build was already completed, so I had to unplug/unscrew everything to get into the shield to replace it.
  • Bluetooth – Bluetooth works great, no problems. (Needed BrcmBluetoothInjector kext to work though this seems to be not recommended?)
  • AirDrop
  • iMessage/iCloud – no problems here, using serial generated from GenSMBios that returns "Purchase data not validated" from Apple Coverage checker
  • Audio (from front jack on case) – audio works perfect from the case jack, but won't seem to work from the back ports (see below)
  • Anything else I can't think of that isn't specified below

What isn't working:

  • Thunderbolt – users on other forums have reportedly got this working, but I haven't seemed to. Probably won't bother because the USB-C port still functions without Thunderbolt and I have no Thunderbolt devices.
  • DRM – I believe DRM never works with integrated graphics, but correct me if I'm wrong. Not a big deal to me as I have Apple TVs if I ever want to watch something.
  • Continuity/Handoff – Haven't tested extensively, but apps aren't appearing in the dock when I open them on my iPhone even with the BT4LEContinuityFixup kext.
  • Audio (from motherboard ports) – I tried to use headphones in the green jack on the motherboard and got nothing out. Not sure what the problem is, since the case jack works.
  • WiFi is very slow, but I think this might be because I didn't attach the internal antenna wires properly/securely enough. I don't feel like going back in and unscrewing things so maybe I will just update this post whenever I do.

Final Thoughts

Overall, this was a very easy build! It's the first computer I have ever built and I'm very surprised I didn't muck anything up too bad. I'm excited to have a Mac whose components I can actually upgrade when I want to – and for much cheaper than Apple.

I'm very happy I went with mini-ITX even though it was more expensive. I prefer the look of a smaller case/build immensely. I love my Core V1 case and can't recommend it enough.

Next stop, perhaps venture into overclocking?

OpenCore: OpenCore was a lot of information to grasp, after poring over the guide for a few days I feel like it actually isn't that difficult and I understand most of what is happening with my config. If I had done Clover, I probably would have just copied someones config and wondered why something wasn't working when something went wrong. I've never used Clover but I have a lot of confidence in OpenCore – it feels more native and future proof (and I've heard it boots a lot faster than Clover too).

Thank you to /r/hackintosh, the incredible OpenCore Vanilla Guide, the InsanelyMac forums, and the tonymacx86 forums for making this possible!

submitted by /u/Enhante
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Any other solutions besides GenSMBIOS to create an SMBIOS?

Hello Hackintoshers,

I'm new to the Hackintosh scene and I need help! I've come across a problem creating an SMBIOS/System Identifier. Based off the OpenCore Vanilla Guide; I'm supposed to make an SMBIOS using GenSMBIOS to generate one. Every time I generate a SMBIOS (for iMac14,1), the serial number comes out as invalid/not a serial number when I enter it on Apple's Check Coverage website. I have done this more than 20 times, and I still get the same result. The guide says I need to have a serial number that shows up as "Purchase Date not Validated" when entered on the Check Coverage website. What can I do at this point? Is it okay for me to continue on with an invalid serial number? Is there another application I can use to get a working one?

Thank you all so much.


- Alienware X51 R2 -

Intel® Core™ i7-4770 (Quad Core, 8MB Cache, up to 3.9 GHz w/ Turbo Boost)

Intel® H87 Chipset (Intel® DH82H87 PCH)"Shark Bay"

8Gb (2x4 Gb DIMMS) 240-Pin DDR3 SDRAM

512 GB Samsung SSD 850 PRO

6x DVDRW/BD-ROM drive - Can read/write CD and DVD but can only read Blu-ray Disks.

Realtek Integrated 10/100/1000 Gigabit Network Card

Integrated Realtek ALC892 Codec

AMD Radeon HD7870 2GB (Shows up as 7800 series in windows)

submitted by /u/Bossa_Yeye
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Can’t Boot into any OS/PC, can only boot into BIOS: Specs in comment section

OpenCore - Mojave 10.4.6 - ASUS Prime Z370-a II - RX 580 image / resolution issue

Hardware: CPU: Intel 8700k stock

GPU: Sapphire Nitro+ RX 580 8GB SE

RAM: 32 GB (2x16 2666) Patriot Viper

Motherboard/Laptop model: ASUS Prime z370-a II

Ethernet Card: MOBO

Wifi/BT Card: N/A

Display1: AOC U2879VF 28" 4k (via RX 580 DisplayPort)

Display2: BENQ GW2250HM 21" 1080p (via RX 580 HDMI)

Guide: OpenCore Vanilla guide []

EFI folder: [] []

Having spent quite some time researching parts for this build, aiming for decent mid-range power (audio production + light video work) with maximum OTB compatibility... It has not been an easy journey over the last few days.

After following the OC Vanilla guide and going round in circles stressing over the ACPIs, DeviceProperties and Platforminfo, the majority of my troubles seemed to have stemmed from my display configuration (BIOS and config.plist).

My BIOS is currently configured to preference the GPU, but have the iGPU on for multi-monitor support (afaik this is important for FCPX if I want to get the most out of the GPU and the on board for both hardware accelerated rendering and scrubbing etc?)

My smbios is set to 19,2. My Deviceproperties is set the the Coffee Lake one where nothing is plugged in to the iGPU


  1. My 4k display outputs black except when set to one particular resolution: 2560x1440 (low resolution). Anything else and it remains black (but not without a signal), and the other screen flashes on and off periodically. Both are detected perfectly in Display preferences, and also via screensharing.

  2. When booting, neither display gets a signal until after the OC bootpicker. I had installed via a different display setup (HDMI only via the iGPU) as this was the only way I could see all the output on the screen.

Any help would be much appreciated! Also, any input on smbios (I've read so much conflicted information), and optimum hardware acceleration would be fantastic. i.e., what should I ideally see in the VideoProc settings page? (currently this: [])

Thanks to anyone in advance! I will update any info if I've forgotten anything!

submitted by /u/Datisit
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Lenovo m93p Catalina 10.15.3

T480 ram upgrade - not booting