- #INSTALL HIGH SIERRA MACBOOK AIR CIRCLE LINE MAC OS#
- #INSTALL HIGH SIERRA MACBOOK AIR CIRCLE LINE INSTALL#
- #INSTALL HIGH SIERRA MACBOOK AIR CIRCLE LINE UPDATE#
- #INSTALL HIGH SIERRA MACBOOK AIR CIRCLE LINE DRIVER#
After the installer loads select your language and click on the Continue button. The disk drive is physically non-functional - Replace the hard drive.īoot from your Snow Leopard Installer disc. Problem with the computer's PRAM - See Resetting your Mac's PRAM and NVRAM.īoot drive's directory has been corrupted - Repair with Disk Utility.Ĭritical system files are damaged or deleted - Reinstall OS X. In most cases the problems may be caused by:
#INSTALL HIGH SIERRA MACBOOK AIR CIRCLE LINE MAC OS#
Mac OS X- Gray screen appears during startup Solutions may be found in:Ī flashing question mark appears when you start your Mac Their causes are outlined in Intel-based Mac- Startup sequence and error codes, symbols. These are related but not identical issues. Question (?) Mark, Blinking Folder, or Gray Screen at Startup See Mac OS X- Gray screen or prohibitory sign appears during startup. Then not select the EFI Boot-loader at startup but a standard High Sierra, or Mojave partition? Would a non-OpenCore High Sierra/Mojave ssd benefit from any speed increases from OpenCore on the MacPro 5,1.Means there is no drive is detected. On that note, is it acceptable to have an OpenCore>Monterey ssd alongside a non-OpenCore ssd that runs legacy software smoothly (High Sierra/Mojave) in the MacPro 5,1. SIP Enable/Disable: Can the SIP be changed in OpenCore App Settings, and applied universally to the MacPro 5,1? Does this need a restart to take effect, will that method only apply to OpenCore>Monterey ssd? What about non-OpenCore ssds on board running legacy software, do they need traditional restart in Recovery/Terminal/Enable/Disable SIP/Restart? I read somewhere that once OpenCore was installed on the Mac Pro 5,1, with the OpenCore>Monterey ssd is still on board, PC unflashed cards would show a Boot-loader screen - if selected in OpenCore Legacy Patcher settings. However, upon restart, and resetting NVRAM 3 times, there is still no boot screen using the 7100WX. Next I tried to swap flashed R9 280X, with a more modern unflashed AMD Radeon 7100WX 8Gb.
#INSTALL HIGH SIERRA MACBOOK AIR CIRCLE LINE INSTALL#
Swapping GPUs: So the flashed AMD Radeon R9 280X 3Gb installed on MacPro 5,1, enabled reboot to system of choice, and after successful install OpenCore Legacy Patcher 4.4 onto Monetery ssd. So, now OpenCore Monterey ssd installed, great acceleration, boot screen shows all loadable disks, and can select EFI Boot-loader, then Monterey without USB. The aim was to upgrade to O/S Monterey, and enable GPU boot selection on an unflashed, more modern AMD Radeon 7100WX 8Gb card2 x 3.46Ghz 6 Core Intel Xeon Processor and 64Gb RAM Hi, many thanks for the advice, and following your instructions have managed to install OpenCore Legacy Patcher 4.5>O/S Monterey 12.4 onto my MacPro 5,1: OpenCore Legacy Patcher 4.5 successfully installed on MacPro 5,1 Nevertheless, I reasoned that my MacPro 5,1 does not require these Patches as it is Metal enabled and upgraded to Firmware 144.0.0.0.0. OpenCore Legacy Patcher 4.4 install screen shows: Model: MacPro 5,1, however, 'Post Install Root Patch' is strangely greyed out, whereas on various videos this is displayed as white text on black box, as all other options.
#INSTALL HIGH SIERRA MACBOOK AIR CIRCLE LINE DRIVER#
Metal Supported EFI Driver Vsn: 01.00.624įlashed AMD Radeon R9 280X 3Gb installed, so I can reboot to system of choiceĪfter SIP Disable, and safe mode restart, using clean system (No none Apple Apps) Samsung 250 Gb ssd, partitioned into 2, Sierra 10.12 (Mac OS Extended Journaled) / Mojave 10.14.6 (APFS), installed OpenCore Legacy Patcher 4.4 onto Mojave partition
#INSTALL HIGH SIERRA MACBOOK AIR CIRCLE LINE UPDATE#
The aim was to upgrade to O/S Monterey, and enable GPU boot selection on an unflashed, more modern AMD Radeon 7100WX 8Gb cardĢ x 3.46Ghz 6 Core Intel Xeon Processor and 64Gb RAMįirmware Update Boot ROM Vsn: 144.0.0.0.0 Hi, have tried to install OpenCore Legacy Patcher 4.4 onto my MacPro 5,1:
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