In the event of a serious problem with your Mac, you may need to reinstall your Mac operating system. There’s a simple way to do this using your Mac Recovery partition or via Mac Internet Recovery.

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 ...

I have a 2011 iMac (21.5") that will run linux and/or Windows 10 perfectly. The only problem is that clearing the NVRAM with Command-Option-P-R turns the volume all the way up, making the startup tone ...