The ability to boot to Safe Mode in OS X can be affected by hardware faults, settings, and even FileVault. Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt ...

MSCONFIG.EXE, also called System Configuration Utility, allows an admin use to manage startup items, boot options, Services & boot in Safe Mode, etc. Selective startup mode allows users to choose ...