If your Mac is having problems, macOS has multiple keyboard combinations that you can hold to recover your system, start in safe mode, run diagnostics, and more. Here's how to use them. Apple's macOS ...

You know the startup sound that I am talking about. How do you change it? Where is that sound file, or what is it called? <BR><BR>thanks.

I’ve put together an essential foundation document for Mac users who may sometimes try to help support friends and family. Still having problems? Restart the Mac holding down Command-R to enter Disk ...

Some USB and FireWire devices can cause problems with Mac OS X startup when connected prior to or during the boot process. As mentioned in our tutorial "Startup fails (particularly after a system or ...