In the Storage sub-menu, select the empty optical drive controller, mount your downloaded macossierra10126frenchiso archive, and set the boot order priority to look at the optical device first. 2. Pre-boot Execution Commands (For Windows Host Machines)
As the final 10.12 release, it includes all stability improvements, security updates, and bug fixes for that generation, addressing vulnerabilities found in earlier Sierra versions. macossierra10126frenchiso
The ISO is too large for a standard DVD (4.7 GB). Solution: macOS Sierra 10.12.6 ISO is approximately 8.5 GB. You must use a dual-layer DVD (8.5 GB) or, more practically, an 8 GB+ USB flash drive. In the Storage sub-menu, select the empty optical
# Create a blank temporary disk image container hdiutil create -o /tmp/Sierra -size 8000m -layout SPUD -fs HFS+J # Mount the temporary image container to your local directory hdiutil attach /tmp/Sierra.dmg -noverify -mountpoint /Volumes/SierraISO # Write the macOS installation payload onto the blank disk image sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/SierraISO --nointeraction # Unmount the newly written volume hdiutil detach /Volumes/Install\ macOS\ Sierra # Convert the resulting DMG file into a standardized ISO/CDR file format hdiutil convert /tmp/Sierra.dmg -format UDTO -o ~/Desktop/macOS_Sierra_10.12.6.cdr # Rename the file extension to standard ISO format mv ~/Desktop/macOS_Sierra_10.12.6.cdr ~/Desktop/macOS_Sierra_10.12.6.iso Use code with caution. Troubleshooting the "Damaged Installer" Error The ISO is too large for a standard DVD (4
The installation environment and first-boot setup are in French.