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  • The dead m.2 is in a caddy and seems fully dead. So I'm not pursuing that further. Anyone need an m.2 caddy?

    The old, working 128GB m.2 out of my partner's laptop is now installed and booting Win10 on the PC, but now the data drive has disappeared. I can't see it in the BIOS. I wonder if I bumped a cable or if the mobo is fucked.

  • Is the non-detected M.2 in a slot that's routed via the chipset? It could be down to dynamic PCIe lane allocation, and correct chipset drivers being required to re-allocate lanes and enable the slot...

  • There are two drives in the machine:
    m.2 slotted into the mobo directly
    "normal" form factor SSD that's plugged in via SATA cables

    The "new" m.2 is loading Windows now as a newly formatted boot drive and the data drive, that was accessible via USB Windows Repair media is now gone. I'm jiggling cables now and going to try again before I set fire to everything.

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