Boot your machine into Safe Boot
Use Apple System Profiler
Use System Information
Intel Core 2 Duo
Intel Core i7
AMD Athlon II X4 645
Mac OS Extended (Journaled, Encrypted)
Mac OS Extended (Journaled)
Mac OS Extended (Case-Sensitive)
GUID Partition Table
Re-install using Lion Recovery
Open Activity Monitor
Review the Installer Log
Initiate Safe Boot
Firmware Password Utility
Verify Application Compatibility
Back up data
Check firmware is up to date
All of the above
Use Console and search for 'Apple Firmware Version'
Open System Information and look for 'Book ROM Version'
Open System Profiler and look for 'Apple Firmware Version'
View the Flash Rom file in /var
Hard disk selected does not have enough space to install additional items
Customize button is only available when booting from Lion Recovery
You have selected a Hard Disk that is not formatted as Mac OS Extended
Customize button is only available when running the installer from a Lion Server system
Select 'Download only' in Software Update
Select 'Install and keep package' in Software Update
Download the update from Apple's Support downloads website
Copy the update from /Library/Receipts
A Windows network share point
Windows XP SP3
Another Mac on the same network
A Mac OS 9 computer
The installation process can be safely continued by restarting the Lion installation.
You will have to reformat the hard disk and start again.
You will have to startup to the Lion Recovery HD and wait for Apple to send you a Recovery Key.
You will have to wait 24 hours before trying the installation again.
About This Mac
Activity Monitor can view updated files
Use Spotlight to search for files updated by Software Update
Software Update Preference Pane has an 'Installed Software' Tab
Console can display the Install.log file
Download the Lion Recovery Disk Assistant to create a minimal Lion Recovery Drive.
You can only create a Recovery HD by running the Install Mac OS X Lion application.
Format the hard disk as 'Mac OS Extended (Recovery)' and then run the Install Mac OS X Lion application.
Create a Full Lion Recovery Drive by using Disk Utility to restore the InstallESD.dmg file to an external drive.
Migration Assistant can only migrate data from one volume at a time.
Migration Assistant will create folders on the new system with the contents of each selected drive.
Migration Assistant will create new partitions with the contents of each selected drive.
Migration Assistant will create new user home folders on the new system with the contents of each selected drive.
System build number
Total number of CPU Cores
Hardware serial number
2GB of memory
Mac OS X 10.5 or higher
7 GB of available disk space
Core Duo processor
Open full system report in System information
Download the newest firmware update from Apple
Run the Firmware Update Utility
Look at your Firmware version in About this Mac
Restore system from Time Machine
Firmware Password Utility