If you used Disk Utility from macOS Recovery, you can now restart your Mac: choose Apple menu > Restart. You can use Diffchecker to find any deferences between them. The order of repair in this example was Macintosh HD - Data, then Macintosh HD, then Container disk4, then APPLE SSD. and verify if it’s identical with the original one. b53c36706eef6e0e15c1f76ef51d1b552705fc75 Then I run the following command shasum '/Applications/Install macOS Sierra.app/Contents/SharedSupport/InstallESD. Keep moving up the list, running First Aid for each volume on the disk, then each container on the disk, then finally the disk itself. Here is the SHA1 checksum for the 10.12.6 from the github link I provided above. If you're asked for a password to unlock the disk, enter your administrator password.Īfter Disk Utility is done checking the volume, select the next item above it in the sidebar, then run First Aid again.If the button is dimmed and you can't click it, skip this step for the disk, container, or volume you selected. A cryptographic checksum on data that uses a symmetric key to detect both accidental and intentional modifications of the data.If there is no Run button, click the Repair Disk button instead. In this example, the last volume on the disk is Macintosh HD - Data.Ĭlick Run to begin checking the selected volume for errors. For each disk that you're repairing, start by selecting the last volume on that disk, then click the First Aid button or tab.
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