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Thunderbolt Software Update 1.2 - Can Cause Boot Failures - WARNING!!!

There are many stories floating around that after installing Thunderbolt Update 1.2, your Mac is no longer able to start up.  This is a pretty big problem.  So, until we have more info - DO NOT DO THIS UPDATE!

If you arlready did the update and your mac is no longer able to start up, here are the quick steps to get it back up and running:

1.  Hold Command-R while rebooting (puts in recovery mode)
2. Once booted, select the option to "Reinstall Mac OS X"
3. Once Lion is reinstalled, DO NOT install teh Thunderbolt Software Update 1.2

Did you have a problem, or did everything install correct?  Enter your comments below