Trouble with dual boot...

[titsmgee]

This guide has the information you are looking for:
http://tonymacx86.blogspot.com/2009/11/ ... -snow.html

 

[Going Bald]

Boot with rBoot, select your Lion partition and hit enter. Once at desktop, install Chimera again, either with the stand alone installer or with MultiBeast. Remove rBoot from ODD, reboot.