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Storage HDD (D:) Disappearance -- I DARE you to figure this one out!
Windows 10, PC locks up mid-session, D: (storage) drive disappears from Explorer on re-boot. I took to the internet and tried the all the recommendations, with the following results:
BIOS sees the missing drive.
Disk management does NOT see the drive. (so can't fix partitions or re-assign drive letters)
Device manager does NOT see the drive. (so can't update the driver)
Sata cable replaced with one confirmed to be good.
Power confirmed on the HDD, and spinning with no funny noises
HDD drives WORKS fine when removed from the motherboard, dropped into a compatible cradle and plugged into a USB port -- on the same PC.
System Restore did not fix the problem.
No previous error messages or adherent behavior from the drive indicating impending failure.
Utterly stumped by an HDD that works, is seen by my BIOS -- and otherwise refuses to talk to my motherboard -- after doing so successfully for years. Anybody got anything for this? Thanks!