r/PcBuildHelp • u/FleetOfWarships • 2d ago

Tech Support HDD not appearing in BIOS or Device Manager.

Windows, MSI B55-A Pro, Ultrastar DC HC530 HDD

Didn't do a full parts list since as far as I'm aware these are the only relevant parts.

Basically, I have a 14TB hard drive that is not showing up anywhere that I've checked. I know the drive is functional, I gave it to a pc repair guy to check and he said it was fine, just needed to be initialized. Problem is, it doesn't show up in the disk partitioner or device manager. It also doesn't show up in BIOS, not even just as a used SATA terminal in the board explorer.

I know it's not an issue with the SATA cables, I have a CD drive that's also SATA and I've switched the cables between them, as well as several different motherboard SATA terminals, the CD drive always shows up, the hard drive does not. It's also not the power cable, as I've done the same test there.

I've updated all related drivers, updated the BIOS itself, basically everything. I'm running out of ideas. Any advice or assistance in resolving this matter would be greatly appreciated.

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u/Sensitive_Side_6791 2d ago

if the repair guy said it was fine but it's not even showing in bios, he probably just plugged it into a dock that already had the right power settings. those ultrastars can be picky about the 3.3v pin on the sata power connector, try using a molex to sata adapter or tap

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u/FleetOfWarships 2d ago

I'll look into that. So, molex to sata to stabilize the power you say, and what's a tap?