New answers tagged startup
My suggestion would be a variation on Adam's answer that sets the volume very low, but not silent. Don't forget that that sound is a cue that the Mac is booting properly. Perhaps someone can post the volume-setting command?
I find both the answers from Ian C. and ghoppe correct and accurate, so I gave them both a +1, because they're both right. If it was me I'd try the Disk Utility tactic first because you may have nothing more than a case of index corruption on the hard drive and that might fix it up. The next most likely cause, in my opinion, could be that the drive has ...
Try something like launchctl unload /System/Library/LaunchAgents/com.apple.notificationcenterui.plist and see what stops working. launchctl unload doesn't make any permanent changes, so the plist is loaded again when you log out and back in. Some processes that might be disabled if you are trying to simplify the UI: Dock: Also disables Mission Control, ...
If the fsck modified the filesystem, it may have corrected damage to the file system by deleting a file needed to boot. If you can get professional troubleshooting assistance, I would do that since without a backup, you'd hate to make the problem worse. Trying to fix a filesystem or writing new files to it will over-write space that could have files that ...
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