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Key Error: text Copy Download OCSMC: SmcReadValue Key 4D534163 Size 2 – Not Found "An error occurred preparing the software update" Cause: VirtualSMC misconfiguration or missing SMC keys during Sequoia’s second-stage installation. Solution Guide Step 1: Update OpenCore & Kexts Use OpenCore 1.0.5+ (latest nightly build recommended): Download: OpenCore 1.0.5+ Update Critical Kexts : Lilu (v1.6.8+) VirtualSMC (v1.3.3+) WhateverGreen (v1.6.7+) RestrictEvents (v1.1.3+) Step 2: Patch VirtualSMC for Missing SMC Key The error 4D534163 (ASCII: MSAc ) indicates a missing memory temperature sensor key . Add it manually: In your EFI/OC folder: Open config.plist with ProperTree . Navigate to: DeviceProperties → Add → PciRoot(0x0)/Pci(0x1F,0x3) Add this property (if missing): xml Copy Download Run < key > smc-compatible </ key > < string > smc-z390 </ string > Force-add the SMC key : Download SSDT-SMC-Fix.aml Place in EFI/OC/ACPI and enable in c...

SOLUTION Problem: iMac (2010) with NVIDIA Quadro K2100M boots High Sierra normally but fails on macOS 11–15 (Big Sur to Sequoia). Symptoms include boot chime, black screen, maxed fans, unresponsive keyboard, and requires repeated NVRAM resets to boot. Cause: Unsupported NVIDIA GPU: macOS Big Sur and newer lack native drivers for Kepler GPUs (like Quadro K2100M). Boot Process Corruption: macOS 11+ uses a modern boot architecture incompatible with legacy NVIDIA hardware. NVRAM/GPU Firmware Issues: Inconsistent initialization of the GPU during boot. Solution Guide Step 1: Replace GPU with a macOS-Compatible Model Why? The Quadro K2100M is not supported in macOS 11+. Use an AMD GPU (officially supported up to macOS Monterey/Ventura) or Metal-compatible NVIDIA card. Recommended GPUs for iMac 2010: AMD Radeon HD 7950/7970M (MXM-III-B, natively supported up to macOS Monterey). AMD Radeon Pro WX 4130 (Metal support, works with OCLP in newer macOS). Procedure: Purchase a compatible GPU (...

If you’re experiencing issues upgrading to macOS Sequoia on your 2013 iMac with both a 4TB SSD and a leftover 128GB blade SSD, here are some steps to resolve the "drive not compatible" error. Since you have OCLP (OpenCore Legacy Patcher) installed, macOS Sequoia should technically be compatible, but dual-drive setups, especially with a previous Fusion Drive configuration, can sometimes cause compatibility issues. Steps to Resolve macOS Sequoia Installation Issue 1. Verify Drive Configuration in Disk Utility Open Disk Utility to ensure that both drives (4TB SSD and 128GB blade SSD) are not still linked as a Fusion Drive . If Fusion Drive remnants are found, use Disk Utility or Terminal to separate the two drives completely. 2. Reformat the 4TB SSD Back up your data on the 4TB SSD. In Disk Utility, erase the 4TB SSD, reformatting it as APFS (GUID Partition Map) . This is required for Sequoia installations. After formatting, try to upgrade to macOS Sequoia again. 3. Set the 4...

Guide: If you're unable to install macOS Sequoia on your MacBook Pro due to S.M.A.R.T errors, this typically indicates that your internal drive is showing signs of hardware failure. While replacing the drive is usually the recommended solution, here are some steps to bypass the issue temporarily or work around it if you’re determined to proceed. Steps: Confirm S.M.A.R.T Status : Open Disk Utility and verify if the drive is indeed reporting a S.M.A.R.T error. If so, it’s a sign that the drive may fail soon, so keep backups of important data. Consider an External Installation : If you’re unable to repair or replace the internal drive immediately, install macOS Sequoia on an external drive as a temporary workaround. To do this, connect a compatible external SSD or HDD to your Mac and format it to APFS or Mac OS Extended (Journaled) with a GUID Partition Map . Start the macOS installer and select the external drive as the installation target. Disable S.M.A.R.T Check Temporarily (Adv...

Guide: When trying to install macOS Sequoia (or similar) on a Hackintosh with an AMD Ryzen processor, encountering compatibility errors even with the correct SMBIOS can be frustrating. This issue typically relates to either unsupported hardware configurations or an SMBIOS/EFI setup that doesn’t fully emulate an Apple environment compatible with Sequoia. Here’s how you can troubleshoot and potentially resolve this issue. Steps: Verify Your SMBIOS Settings : While you’ve tried both MacPro7,1 and iMacPro1,1 , it’s essential that each SMBIOS setting is fully configured to mimic a compatible environment. Use GenSMBIOS to generate a clean set of serials for MacPro7,1 (recommended for Ryzen). Open config.plist with ProperTree or another plist editor and confirm that PlatformInfo > Generic > SystemProductName matches your SMBIOS choice, with all fields (serial number, MLB, ROM, and UUID) populated. Add Additional Kexts and Patches : AMFIExemptions.kext : This kext may help bypass sys...

Installing macOS Sequoia on a Lenovo laptop with an AMD Ryzen 3 3250U is possible, but it comes with significant challenges and may have limited functionality due to macOS’s lack of native support for AMD CPUs, especially on a laptop with integrated AMD Radeon Graphics. Here’s what to consider: Potential Challenges AMD CPU Compatibility : Ryzen CPUs are not officially supported by macOS, so you’ll need to rely on kernel patches to make it compatible. The Ryzen 3 3250U is a lower-power APU with two cores, which may struggle with macOS’s requirements, particularly with newer macOS versions like Sequoia. AMD Radeon Integrated Graphics : macOS does not natively support AMD Radeon integrated graphics found in Ryzen APUs. This means that even with OpenCore and WhateverGreen, graphics acceleration may not be possible. You might be limited to basic, unaccelerated graphics, which can impact usability and performance. AMD-Specific Kexts and Kernel Patches : You will need specific kexts and patch...

Hey Guys,last month just done finished updated my K46CM to big sur to sequoia.Its was so stressful and sacrifices for my laptop.Anyways this is my spec> Intel Core i5-3317U, 1900 MHz 10 GB DDR3-1066 DDR3 SDRAM GeForce GT 635M (2 GB) (-wegnoegpu) Intel(R) HD Graphics 4000 (2103262 KB) Realtek ALC270 @ Intel Panther Point PCH - High Definition Audio SPCC Solid State Disk (953 GB) Qualcomm Atheros AR9485WB-EG Wireless Network Adapter (disable only on hackintosh) TP-Link Archer T2U Nano AC600 Realtek PCIe GbE Family Controller PC/AT Enhanced PS/2 Keyboard (101/102-Key) Microsoft PS/2 Mouse List of working on this machine> HW acceleration (pretty lag but HD4000 lol what do you expect) USB WiFi (Uses Chris1111 USB driver) USB Sound Bluetooth (only the wifi but the BT still working lmao) Brightness HDMI (But no sound) Ethernet Keyboard And Trackpad List that DOESN'T working at all> WiFi iMessage (gonna fix that later) FaceTime Camera (this thing also broke on my windows s...

macOS 15 "Sequoia" Overview macOS 15, known as Sequoia , is the next macOS version available in beta. This guide will help you with various methods to install or upgrade macOS Sequoia on Hackintosh systems. Installation and Upgrade Guides: Upgrade Directly to macOS Sequoia A guide from Mac Observer outlines how to upgrade to macOS Sequoia using OpenCore . It includes troubleshooting steps for common issues, ensuring a smooth upgrade. For insights into Hackintosh builds in 2024, they also provide an opinion piece discussing whether it's still worthwhile to build a Hackintosh. Fresh Installation of macOS Sequoia The EliteMacx86 guide offers a detailed step-by-step process for installing macOS Sequoia on Intel or AMD PCs using OpenCore . It includes guidance on creating a bootable USB and troubleshooting common installation issues. Upgrade Existing Hackintosh to Sequoia For those already running macOS Sonoma or earlier versions, another guide from EliteMacx86 explains h...

Given that Sequoia seems to be smoother than Sonoma and Ventura, it suggests that Sequoia has optimised performance for your hardware, addressing issues like frame rate drops, glitches, overheating, and general sluggishness. This is especially notable since it's comparable to the smoothness of older macOS versions like Catalina. The improvements you're experiencing, such as faster app launches and no more glitches in Stage Manager , could be due to better resource management and potentially optimised thermal controls in Sequoia. These updates are particularly relevant for Intel-based Macs, where Ventura and Sonoma might have been pushing the hardware harder, leading to issues like overheating. Given your experience, this macOS version could be focusing on delivering enhanced performance and stability, making older Intel-based Macs feel more responsive, despite being a few generations behind the new M3 chips. This could be a breath of fresh air for users who had been struggling ...