Skip to content

The Eclectic Light Company

Macs, painting, and more
Main navigation
  • Downloads
  • M1 & M2 Macs
  • Mac Problems
  • Mac articles
  • Art
  • Macs
  • Painting

EFI

An A to Z of keys and keyboards: Startup and login

On Intel Macs, key combinations determine startup modes and more, but they have no effect on Apple silicon Macs. And how to deal with keyboard problems when logging in.

November 30, 2022 Macs, Technology

Why is my Mac’s firmware version wrong, and what to do about it?

Why your Mac’s firmware version may not be the latest you expect. What you can do about that, depending on its type.

November 7, 2022 Macs, Technology

Which firmware should your Mac be using? (version 7)

List of current versions of firmware for all models of Mac supported by Ventura, following upgrading to Ventura.

November 3, 2022 Macs, Technology

Firmware on the change: 2 In with the new

In less than 5 years, Macs have gone from unsecured firmware and booting to a fully secure process to deliver, install and run firmware which can’t be exploited.

March 14, 2022 Macs, Technology

Firmware on the change: 1 Out with the old

Since replacing Open Firmware in 2006, EFI firmware has undergone major change. Now only installed as part of a macOS install or update, here’s its story.

March 13, 2022 Macs, Technology

SilentKnight version 1.17 now available

T T Read More

Improved reporting of firmware, Gatekeeper, and clearer documentation are the main improvements.

November 1, 2021 Macs, Technology, Updates

Which firmware should your Mac be using? (version 6)

This article lists the firmware versions of Macs which have been successfully updated to run macOS 12.6.3. Apple […]

September 2, 2021 Macs, Technology

Why is firmware so troubled?

The last five years have seen great changes in Mac firmware security. As Intel Macs are replaced by Apple Silicon models, firmware may at last be simpler and more secure at last.

March 8, 2021 Macs, Technology

Could this fix firmware updating in the iMac Retina 5K 27-inch Late 2015 (iMac17,1)?

Many iMac17,1 computers are still stuck with firmware dating back to before macOS Catalina. Could this new approach enable them to install firmware updates again?

February 6, 2021 Macs, Technology

Which firmware should your Mac be using? (version 5)

macOS 11.7.3 Big Sur brings firmware updates for some supported models. This article lists the firmware versions of […]

November 16, 2020 Macs, Technology

Posts navigation

Previous1 2 3 … 8 Next
Blog at WordPress.com.
Footer navigation
  • About & Contact
  • Macs
  • Painting
  • Language
  • Tech
  • Life
  • General
  • Downloads
  • Mac problem-solving
  • Extended attributes (xattrs)
  • Painting topics
  • Hieronymus Bosch
  • English language
  • LockRattler: 10.12 Sierra
  • LockRattler: 10.13 High Sierra
  • LockRattler: 10.11 El Capitan
  • Updates: El Capitan
  • Updates: Sierra, High Sierra, Mojave, Catalina, Big Sur
  • LockRattler: 10.14 Mojave
  • SilentKnight, silnite, LockRattler, SystHist & Scrub
  • DelightEd & Podofyllin
  • xattred, Metamer, Sandstrip & xattr tools
  • 32-bitCheck & ArchiChect
  • T2M2, Ulbow, Consolation and log utilities
  • Cirrus & Bailiff
  • Taccy, Signet, Precize, Alifix, UTIutility, Sparsity, alisma
  • Revisionist & DeepTools
  • Text Utilities: Nalaprop, Dystextia and others
  • PDF
  • Keychains & Permissions
  • LockRattler: 10.15 Catalina
  • Updates
  • Spundle, Cormorant, Stibium, Dintch, Fintch and cintch
  • Long Reads
  • Mac Troubleshooting Summary
  • LockRattler: 11.0 Big Sur
  • M1 & M2 Macs
  • Mints: a multifunction utility
  • LockRattler: 12.x Monterey
  • VisualLookUpTest
  • Virtualisation on Apple silicon
  • LockRattler: 13.x Ventura
Secondary navigation
  • Search

Begin typing your search above and press return to search. Press Esc to cancel.

  • Follow Following
    • The Eclectic Light Company
    • Join 3,138 other followers
    • Already have a WordPress.com account? Log in now.
    • The Eclectic Light Company
    • Customize
    • Follow Following
    • Sign up
    • Log in
    • Report this content
    • View site in Reader
    • Manage subscriptions
    • Collapse this bar
 

Loading Comments...