Removing heat from a radiator is more effective in cooling than blowing cool air on it. Not to mention the fact that paddling with the current is much more efficient that paddling against it.
I have had a similar problem after updating BIOS to 1502. Once in a blue moon none of my drives show up at all. I boot Windows 7 (SP1) from a Samsung XP941 256GB PCIe 2.0 x 4 M.2 SSD. The rest of my drives are various SATA Seagate HDDs. Usually have ...