Update Your Firmware The Easy Way

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The researchers made a surprising discovery. In a significant number of cases, computers running the latest versions of the macOS operating system lag when it comes to firmware—potentially leaving a core part open to compromise. Of the tens of thousands of machines examined, roughly 54, computers were actively maintained by Apple.

Of this subset, the researchers found on average a 4.

How to Restore the Firmware on Your Intel-Based Mac With a CD

The iMac 16,2 with a Since , Apple has bundled firmware updates in with updates to its operating system—a move the researchers applaud for taking some of the onus off users for keeping their systems up to date. This means your machine could be vulnerable and you would have no idea. In contrast, when something goes wrong during an operating system upgrade, an alert typically pops up. The inconsistencies raise questions about the quality assurance Apple has been applying to firmware updates.

The firmware update process should now happen automatically without you having to do anything more.

Just follow the on-screen instructions and your Mac will do the rest! I've been passionate about Apple ever since I bought my first iPod followed by a white polycarbonate MacBook in Roland's Google Profile. This site uses Akismet to reduce spam. Learn how your comment data is processed.

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Apple Mac Firmware Updates Are Quietly Failing and No One Knows Why

You supply the CD. There are six different Firmware Restoration files that cover various Mac models. Then, if something goes wrong during an update, you restart your Mac from the Firmware Restoration CD, and your Mac replaces the corrupt firmware with the known good version.

Your Answer

To match your Mac with the correct file, you need to know your Mac's Model Identifier, which you can find by performing the following steps. If you don't see your Mac model number in this list, you may have an Intel Mac that doesn't allow firmware restoration by CD. Newer Intel Macs don't use a restoration CD.

Apple - Support - Downloads

Before you can restore your Mac's firmware to its original state, you must first create a Firmware Restoration CD. The following steps take you through the process. Navigate to the Firmware Restoration file on your Mac. It is usually in the Downloads folder. Select the file and then click the Burn button.


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Before you begin the restoration, ensure that your Mac is powered from an AC outlet. Do not attempt to restore the firmware on a laptop while it's running under battery power.