Windows: I recently had a suspicion that something was up with my hard drive. Spending a little time to figure out what was going on—and to confirm nothing bad was actually happening—saved me $200+, or the cost of the shiny new 6TB HDD (or speedier 2TB SSD) I was contemplating ordering off Amazon.
from Lifehacker http://bit.ly/2XhgBBR
http://bit.ly/2WvYLy0