How in an updating job can a driver of a device from Windows pick one of its purposes to detect that driver is unsigned?

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Oct 4, 2017
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Here I have been struggling with a difficulty of Samsung HDs. Almost all other HDs come from Samsung HDs group.
Windows are usually installed relying upon drivers either of retail version of any of a particular disks or of a purchased versions. What I experience, true to tell, is it that driver causes in process of installing Windows to go HD blank showing "no drive found"?

I find that, when a running Windows allow me to choose drivers to update them from installed copy of Windows, trial to update a driver may end often attributing selected driver is not signed digitally, then, where is that signed driver? Why an unsigned one is in the disk, among files of Windows?

This is why a HD doesn't appear visible during installation of Windows_ not in BIOS,.nowhere else. Does any body think files of HD drivers copied within the starting of installation of Windows have turned unsigned, so, Computer can't show HDD for want of required updates of HD.