[SOLVED] Booting up stuck at “Starting Wait for Plymouth Boot Screen to Quit” after ATI Driver Installation

I installed Fedora 15 on HP Pavilion G4 1009tx Notebook recently. It has Intel Onboard Graphics and ATI Radeon HD 6470M Graphics 1024MB GDDR3, with switching option in Windows. However, it was disappointing to see that Gnome-Shell does not load on it while used to run fine on my old Desktop with onboard Intel Graphics. I tried to install ATI Properiatary drivers from RPM Fusion repos. However, after reboot, the booting process halted after showing the following:

Continue reading [SOLVED] Booting up stuck at “Starting Wait for Plymouth Boot Screen to Quit” after ATI Driver Installation