To calculate the overall star rating and percentage breakdown by star, we do not use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyses reviews to verify trustworthiness.
The setup is supposed to take 10mins, and I had stuck at 95% for hours. This is due to one of the disk (Toshiba N300 4G made in Philippine) has bad sectors. After remove the disk, the setup is completed quickly