Below are the step by step instruction (found this wonderful fix via a forum).
What you going to do is load your installation window 7 files during safe mode, reboot and during safe mode disable all the driver that has the yellow exclamation via CMD. Make sure you have a “PS2 keyboard” and mouse connected to your computer. You will still need to delete partitions etc as stated in this post
If this still doesn’t help for you, try this step below.