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Hi everyone, I have a dell laptop with primary os SSD (nvme) and secondary data HDD (sata). In the bios, the sata HDD is set as RAID on; the other option is AHCI. nothing changes if the secondary HDD has the paging file enabled or disabled. I clean installed windows 10 when I bought the machine. I am now on 20H2.
I have disabled S0 standby through the platformaoacoverride method found here:
the behaviour is the same as before windows 10 2004 (when modern standby was forced enabled).
What happens is that if my HDD is spinning and I put my PC to sleep or I shut it down, it does all its things then the HDD spins down, then it immediately spins up and after 2 or so seconds doing something it spins down again.
It's a complete nonsense. I cannot find ANY way of fixing this behaviour; it looks just like the wrong SATA device management or something like that; all those spin ups and downs are completely useless and definitely unwanted.
I'd be glad if anyone could help me with this.
Have a nice day
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Update for this thread just in case anyone will ever care/have the same problem.
I have switched from RAID ON to AHCI in the sata settings in my PC's bios. The HDD behaviour is now correct for shutdown, though it is still to be completely fixed for standby, since sometimes the spin down-up-down still occurs for currently unknown reasons
A partial solution to this problem seems to be the one I found here
By setting the page file to automatically managed for all drives (so that the system is forced to have the paging file on the secondary HDD too), the spin down-up-down behaviour seems to be gone but only for standby. During shutdown the HDD spins back up when it hasn't even completely stopped yet after the first spin down, so this still needs to be fixed.
If anyone is interested, the process I have gone through is available here:
The issue is not solved even with AHCI enabled. Changing drivers seems to make something but the right driver is still to be found.
Another discovery LOL. As of now, it seems that when a USB device is connected to my PC, the spin down-up-down of the HDD does not happen, instead the HDD does all its work before spinning down without having to spin back up to finish while the PC is going to sleep.
In my case this happens when I plug in a Xbox 360 controller and/or a logitech joystick; I have a mouse always plugged in but it does not affect the spin down-up-down behaviour though. Probably, this explains what I had noticed in my previous post.
Shutdown is not affected by this. At shutdown it's even more ridiculous since the HDD spins up before even stopping completely after the first spindown.
I would really like to know what's going on.
Oh I made a discovery. Because of the dwm.exe memory leak (another story LOL) once in a while I logout from my PC (instead of restarting it, to save time) to reset its ram usage. Today I have put my PC to sleep while I wasn't logged into windows and the HDD did not do that damn spin up-and-down thing.
So it's just windows doing some of its useless things. YOU DON'T SAY.
Now, what is left to be found is what makes the HDD spin back up when the PC is going to sleep or shutting down.
