As Apple controls hardware, firmware, system software, and their updates, EFI firmware should be kept up to date reliably. But it isn’t. What’s gone wrong?
firmware
Every week, Macs running High Sierra will check the integrity of their EFI firmware, in a bid to detect tampering by malware.
How to update your firmware, reset the SMC, and reset the NVRAM (or zap the PRAM), and what they do. Updated for High Sierra.
Additional info about how you can install and upgrade to High Sierra, its new Content Caching feature, how it changes firmware updates, changes to NVRAM, and more.
You suddenly can’t remember your password, or your Mac won’t accept what you think is your password. What do you do next?
A guide to different tones sounded at startup, how to cope with EFI ROM update problems, and MacBook Pro 2016 issues.
Hackers claim 300 million compromised iCloud accounts, and Wikileaks claims details of techniques being used by CIA to spy on Mac and iOS users. Fact or fake?
These store key information for your Mac. Resetting the SMC and NVRAM is no panacea, but can transform an apparently dying Mac.
Coupled with FileVault’s whole disk encryption, this can stop others from accessing your data. But there are disadvantages too.
Keeping it up to date is important, but there is a slight twist (as ever).
The Eclectic Light Company 