macOS Archives

Anything related to Apple, Macs and macOS

How to start Mac OS X Yosemite in Safe Mode

Hold down SHIFT during normal boot, until the loading bar appears. It will take longer than usual to start the system. Some services are not available. Safe Mode will clear several caches and verify the startup disks. From the command line, or on remote systems, boot into Safe Mode using this: sudo nvram boot-args=”-x” When … Read more

How to show hidden files in the Mac Finder

Hidden files start with a . on UNIX like systems and OS X is one of them. While we can show hidden files in a Ternimal session by using something like ls -a, it’s not so easy to convince the Finder to show such files. If ever you need to see them, execute the following … Read more

How to disable the ultra annoying Startup Sound on Mac OS X

I passionately *H*A*T*E* the startup chime that my Mac makes when I switch it on. At least on my MacBook, if the volume is turned down before I shutdown, the system restarts silently. I guess it’s somehow linked to the internal speakers. Sadly on my Mac Mini this approach doesn’t work: due to the lack … Read more

How to fix “This file is damaged and can’t be opened” in Mac OS X

Yesterday I was trying to open an installer which was offered as a .dmg file. That’s a disk image which mounted itself fine, but when I ran the installer contained in the disk image, all I got was an error message: “ZBrush to Keyshot Content Installer is damaged and could not be opened”. At first I … Read more