9/15/2023 0 Comments How to get my mac to read to me![]() ![]() I cannot change the setting because the computer has no administrator account. Tried to install macOS from bootable USB memory (created following these instructions ), which fails because external boot is disallowed in Startup Security Utility. Reset NVRAM and SMC, which had no effect. In recovery mode terminal, I've ran following commandsĬan't access "efi-boot-device" NVRAM variable. In addition to internal Apple SSD, there is a macOS Base System Disk Image. Started Mac in recovery mode and ran First Aid on the disk, which says that the volume appears to be OK. No disks are showing, only option is internet recovery, which fails. Started Mac to startup manager (press ⌥ in startup). ![]() The computer shows question mark folder when it's started. The computer's disk has since been erased and all user accounts have been lost. After the update the computer would not start and recovery attempts failed. Apparently, problems with the computer started initially when update from Catalina to Big Sur failed. I'm trying to reinstall macOS to a seriously messed up MacBook Pro 13" 2018 model. Reinstall macOS to Mac without existing macOS, admin account & startup disk Hi, ![]()
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