MacBook Pro EFI Firmware Update

MacBook Pro EFI Firmware Update

It made the loud annoying beep that the firmware instructions said it would when I pressed the power button and held it down so that the lid light blinked.

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Flickr icon for iLarry
Submitted by iLarry on Mon 2007-10-01 20:41 #

does it usually have that loading bar?

my iMac has the loading circular spiral thing.

Flickr icon for sillygwailo
Submitted by sillygwailo on Mon 2007-10-01 21:37 #

This was a unique case of the firmware for Intel-based Macs installing before booting up. First time I made the mistake of not holding down the power button and it booted up normally, with the spiral thing. Then after the Mac booted up normally, I got an error message saying that the firmware hadn't been installed yet, so I shut down again, then when turning on the MacBook again, I held it down for a few seconds. Apple has some more information about it, and see item #6 of an article on Intel firmware updates for a description of what to expect if you have to do this.

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groups: MacBook, MacBook Pro