RHEL 6.2 hangs at startup screen after forced reboot
Solution 1:
Boot your machine as you would normally and when prompted to, Press any key to enter the menu do so.
In the grub menu select the entry you want to boot then press e
Highlight the kernel line and press e
Navigate to the end of the line and remove rhgb quiet then press enter
Press b to boot your system.
You should now see the system messages as it boots.