Lenovo ThinkCentre M72z Legacy And UEFI USB Boot - YouTube
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Thinkpad Laptops UEFI firmware cant read Opencore <=0.8.7 and >=0.8.8 (LegacyBoot) USB using LegacyBoot with Legacy Only mode bios option with GPT and MBR · Issue #2246 · acidanthera/bugtracker · GitHub
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Lenovo ThinkCentre M72z Legacy And UEFI USB Boot - YouTube