![]() Then shutdown and continue with the default firmware flash procedure for your device (e.g.: Unibody MacBook 5,1 – 1.3 EFI Firmware).Īnd that’s all folks. This is very important!! One needs to make sure to flash the correct version!!! Else bad things WILL happen! Then open a terminal and use bless (That command is one line and yes, -firmware is an undocumented feature): sudo bless -mount / -firmware /Applications/Utilities/MacBook EFI Firmware Update.app/Contents/MB51_007D_03B_LOCKED.scapĪgain: BE VERY CAREFUL TO USE THE RIGHT VERSION!!! THIS CAN BRICK YOUR DEVICE!!! As I needed to reflash a Unibody MacBook 5,1 (Late ’08), I downloaded the package for it (MB51.007D.003 (EFI 1.3)), unpkged it and located my firmware in the app ( MacBook EFI Firmware Update.app/Contents/MB51_007D_03B_LOCKED.scap). Or you use the existing app in /Applications/Utilities if you happen to have it already. with unpkg) and locate the Firmware in the correspoding app. But it also might not and break something! If you’re unsure, go seek competent help at an Apple Store, from a Certified Apple Technician or some other professional!ĭownload the EFI Firmware update from Apple, unpack the package (e.g. It worked for me, it might work for you as well. I’m not responsible for anything that may happen if you continue reading and apply the next paragraph. ![]() On word of WARNING in the beginning: Don’t do anything described here if you don’t know what you’re doing. To patch this out of the Zoom application, download and run the script located here, or here for later Zoom versions.So, you find yourself in the need to flash an EFI update by hand on a mac? That’s awesome, I was in the same situation! My story is quite funny, it all started….nah, just kidding! First things first, I’ll tell you my story afterwards. This is due to the latest Zoom versions requiring a Metal-compatible GPU for video rendering. The Zoom application does not show any video during meetings.To rectify this, use Catalina Patcher to download a fresh copy of the Catalina installer, then re-create an installer volume and/or retry the installation. This occurs when the copy of the macOS Catalina Installer app used has gotten corrupted somehow. During installation, the installer reports that "An error occurred during installation", and mentions running diagnostics.Please follow the instructions in the "Important Info" section above to rectify. This is necessary in order to boot Catalina. Installing High Sierra on these machines will update the machine's system firmware, allowing it to boot from an APFS volume. This usually occurs on machines that support High Sierra (macOS 10.13) natively, but whose owners have not installed High Sierra on them previously. During installation, the machine keeps booting off the installer volume, and will not complete the second phase of installation.After that point, the affected application should no longer experience this crash. To work around this, immediately relaunch the affected application after receiving the crash message. This is an issue Apple introduced in 10.15.4, and is not an issue with the patch itself. Some third-party applications do not open or crash on launch.Download the latest Catalina Installer using the latest Catalina Patcher version. This happens when using a release of the macOS Catalina Installer App that is incompatible with the version of Catalina Patcher you are using. I get an error saying "The installer is damaged, and can't be used to install macOS".The 2007 iMac 7,1 is compatible if the CPU is upgraded to a Penryn-based Core 2 Duo, such as a T9300. 2006-2007 Mac Pros, iMacs, MacBook Pros, and Mac Minis:.Macmini5,x (systems with AMD Radeon HD 6xxx series GPUs will be almost unusable when running Catalina.).Early-2009 or newer Mac Mini or white MacBook:.Late-2008 or newer MacBook Air or Aluminum Unibody MacBook:.iMac12,x (systems with AMD Radeon HD 5xxx and 6xxx series GPUs will be almost unusable when running Catalina.).iMac11,x (systems with AMD Radeon HD 5xxx and 6xxx series GPUs will be almost unusable when running Catalina.). ![]()
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