subject: Mac Os X Displays 'open Firmware' Phrases At Startup [print this page] Some Macintosh computers do not support using first hard drive partition being of larger than 8 GB in size. So, when you upgrade your computer to use a hard disk using a large size startup partition, odds are that computer might fail to boot and work properly. To solve these problems, it required you to repartition the drive, which causes all the existing files and folders to delete. Thus, you are suggested to use a suitable Mac Recovery tool if in case no valid data backup is available.
You might experience one or more of following symptoms with your Mac OS X based computer system:
You try to boot the computer but it shows a gray screen without displaying the desktop
You receive errors such as, 'segment loaded error' or 'unimplemented trap'
You start the computer, but it displays a white screen consisted of 'Open Firmware' phrases
You try to install Mac OS X, but the Setup cannot select the hard disk and it appears as 'dim'
Cause
Certain Macintosh computers might fail to work correctly if the first partition is not completely contained within 8 GB of hard disk . The usually occurs when you upgrade your computer to use a hard disk larger than 8 GB, which was originally using a smaller hard disk.
Solution
Here's how you can solve the described problem:
Make sure you backup all the important data that is stored on the disk
Boot your computer using Mac OS X installation disc
Use Disk Utility to repartition the disk while making sure that first partition is smaller than 8 GB in size
Install Mac OS X
Restore from backup
Sometimes, the data backup might fail to restore, most often because it is damaged or incompletely updated. To deal with such problems, Mac File Recovery software is the solution. Mac Recovery tools are comprehensive recovery tools that can be easily implemented, even by an amateur. Such tools use powerful scanning algorithms to locate and restore all missing files and folders.
Stellar Phoenix Macintosh Data Recovery is an infalible recovery utility for lost data. It is an exclusively built Mac File Recovery product that supports Mac OS X 10.6 Snow Leopard, 10.5 Leopard, 10.4 Tiger and 10.3.9 Panther. The tool employs safe scanning and data recovering algorithms and provide you advanced features, such as Disk Imaging, RAW File Recovery and more.
