Hello. The problem came up since I bought my laptop a few months ago. Some days nothing happens, but when it start it won't stop for a few minutes, and it's really annoying. Basically the HDD spins down, make one click and then spins up. The time between every click is around 8-10 seconds, sometimes less. The clicking noise is the same, when I put the laptop to sleep or shut it down, right before it turns completely off. /ASUS laptop X540SA, 500GB, Windows 10 x64/.