Mac OS X El Capitan 10.11.1 Image ISO: Working Guide & Solutions
If you see a "This copy of the Install OS X El Capitan application is damaged" message, it's usually a date issue. Open in the installer and type date 0201010116 (sets the date to Feb 1, 2016). Create a Bootable USB: If you have the on a Mac, use the createinstallmedia command in Terminal to build a working bootable drive. Virtual Machine Stuck? If using VirtualBox, ensure you've run the necessary VBoxManage macosxelcapitan10111imageiso work
Disconnect your computer or virtual machine entirely from the internet. Boot into the macOS El Capitan ISO installer screen. Click in the top menu bar and open the Terminal . Mac OS X El Capitan 10
hdiutil attach /tmp/ElCapitan.dmg -noverify -mountpoint /Volumes/install_build Virtual Machine Stuck
To summarize:
VBoxManage modifyvm "Your VM Name" --cpuidset 00000001 000306a9 00020800 80000000 00000000 00000000 00000000 VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemProduct" "MacBookPro11,3" VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiSystemVersion" "1.0" VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/efi/0/Config/DmiBoardProduct" "Mac-2BD1B31983FE1640" VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc" VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/smc/0/Config/DeviceKey" "ourhardworkbythesewordsguardedpleasedontsteal(c)AppleComputerInc" VBoxManage setextradata "Your VM Name" "VBoxInternal/Devices/smc/0/Config/GetKeyFromRealSMC" 1 Use code with caution. 2. Ideal Virtual Machine Settings
Once the Install OS X El Capitan.app file is safely located in your Applications folder, you can use the macOS Terminal to convert the installation files into a bootable ISO image.