The start-up chime on Macs is probably as recognizable as the default Nokia ringtone in this day and age. Yet much like a ringtone, so too one might want to change the start-up chime on a Mac. This is ...
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 ...