Every now and then when I turn on my pc I get a weird whirring/whining noise coming from what I guess is one of my HDDs. I have 2 samsung f3 1tbs. Is this a sign of them dying or is this common on start up sometimes? I bought these drives in order to free up space and also to be able to keep all my important files and stuff for work.. Have I got them screwed into the case to tight or something? Anyone else come across this sort of thing?