In order 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.Firmware Restoration 1.8 - Mac Pro4,1, Xserve3,1Firmware Restoration 1.7 - i Mac4,1, i Mac4,2, Mac Mini1,1, Mac Book1,1, Mac Book Pro1,1, Mac Book Pro1,2, Mac Book Pro3,1Firmware Restoration 1.6 - Xserve2,1, Mac Book3,1, i Mac7,1Firmware Restoration 1.5 - Mac Pro3,1Firmware Restoration 1.4 - i Mac5,1, i Mac5,2, i Mac6,1, Mac Book2,1, Mac Book Pro2,1, Mac Book Pro2,2, Mac Pro1,1, Mac Pro2,1, Xserve1,1If you don't see your Mac model number in the above list, you may have an Intel Mac that doesn't have any firmware updates available.
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In order to ensure that you never have to take your Mac to a service center just to have the firmware restored, I've collected links to the firmware restoration images on the Apple website.
These files will restore your Mac to working condition; however, before you can use these files, you must copy them to a CD or DVD.
If you have a late model Mac that does not have an optical drive you do not need the firmware restoration software.
Your Mac is able to recover on its own from a firmware update error.
The basic definition of Firmware is the programming inside the main chip that makes the jamstik run.
Firmware updates can be used to add functionality, fix bugs, and add fine-tune the performance of the device.
Apple supplies firmware updates from time to time, and although very few people have any trouble after installing them, problems do crop up now and then.
The most common problems are the result of a power failure during the installation process, or turning your Mac off during the installation because you think it's stuck.
Then, if something goes wrong during a firmware update, you can restart your Mac from the Firmware Restoration CD and your Mac will replace the corrupt firmware with the known good version.