I did a horrible mistake by trying to install that Windows 8. I was trying to dual-boot it with my system that came with the G55, however I didn't install on the 2nd disk it did the installation on the main disk.
😄Well, luckily I have my recovery disk next to me so nothing happened. I advice you to go back to the original system as it's not officially supported yet.
Ahh, how I miss the old days.