Satellite L850 - weird noise problem (not events)

Hello

I have a weird problem with my laptop. Since a few days, my laptop started to make a little noise from the base of the laptop.
I care because during the day I don't even notice, but now (it's 05:00)
Clearly, I hear a noise coming from the base.

It has not happened before and I don't know what could be, because the strangest thing is that, according to Toshiba Health Monitor, fan is 0% (because I'm on mode eco and do nothing to do) and the CPU is at 48th. As you can imagine, my laptop is far from heating.

Then, where this noise could come from?
Now, I know that this isn't the ventilation openings, but something inside the laptop (maybe HARD drive?)

And I'm confident in the vents because the vents start to operate when I load a movie or game, and when start knocking noise that I do not speak of persists.

It's not embarrassing, because I have to be in complete silence to hear it. As I said, I don't notice the noise when it is diurnal, and I could live with it, but not knowing this noise source makes me a bit paranoid. I bought a month ago, so I don't think that I have to clean.

Thank you.

On this virtual path, it is not easy to tell where the noise is coming so if you want to solve this problem I think you should bring to the nearest post of Toshiba and the guy there it should check. Guarantee is valid if repairs must be free.

Can you tell us what part of your laptop is this noise?

Tags: Toshiba

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