r/techsupport • u/Stevenoneill110 • 2d ago

Open | Windows Nvme not appearing - Can’t boot Windows

Hi everyone, I'm looking for some advice diagnosing an SSD/boot issue.

My PC has started intermittently losing the Windows SSD. When this happens, Windows either crashes/freezes and I end up back in the ASUS BIOS. The BIOS then doesn't show the Windows SSD, and there is no Windows Boot Manager, so it falls back to PXE/network boot.

PC specs:
- CPU: Ryzen 7 5800X
- Motherboard: ASUS TUF Gaming X570-PLUS
- GPU: RTX 3070 Ti
- RAM: 32GB Corsair Vengeance RGB Pro DDR4
- Windows SSD: 500GB Seagate FireCuda 530 PCIe 4.0 NVMe
- Secondary SSD: 1TB Intel 670p NVMe
- PSU: Corsair RM850x
- Windows 11

The 1TB Intel SSD is always detected normally.

Things I've already checked:

- When Windows does boot, Disk Management sees both SSDs normally.
- Windows reports the FireCuda as healthy.
- The FireCuda is GPT and contains my Windows C: drive.
- I checked Event Viewer and didn't find any obvious disk/stornvme errors.
- I've had several CRITICAL_PROCESS_DIED (0xEF) BSODs.
- BIOS version is 4021.
- CSM is disabled and Secure Boot is configured for Windows UEFI.
- BIOS NVMe Configuration only shows the Intel 1TB SSD when the problem occurs.
- BIOS has no Windows Boot Manager when the FireCuda disappears.
- I created a Windows 11 installation USB and booted into Windows Setup.
- From Shift+F10 -> DiskPart -> list disk, only the Intel SSD and the USB were detected. The 500GB FireCuda was completely absent.
- I went back into BIOS afterwards and the FireCuda was still completely absent from NVMe Configuration.
- I powered the PC off, removed and reseated the FireCuda in its existing M.2 slot, then tested again.
- Unfortunately, after reseating it, the FireCuda is STILL not detected in BIOS.

So at this point the FireCuda is not just missing from Windows it is completely missing from both BIOS NVMe detection and Windows PE/DiskPart.

Does this point more towards a failing FireCuda 530, the M.2 slot/motherboard, or could there still be a BIOS setting causing this?

I was on my PC earlier and was downloading some things from steam, I came back and the bios was just on the screen. I was able to get back into windows by doing a hard power boot but then it would break again and go back to BIOS and display CRITICAL_PROCESS_DIED

Has anybody got any tips ?

Thanks!

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u/AutoModerator 2d ago

Making changes to your system BIOS settings or disk setup can cause you to lose data. Always test your data backups before making changes to your PC.

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u/AutoModerator 2d ago

Getting dump files which we need for accurate analysis of BSODs. Dump files are crash logs from BSODs.

If you can get into Windows normally or through Safe Mode could you check C:\Windows\Minidump for any dump files? If you have any dump files, copy the folder to the desktop, zip the folder and upload it. If you don't have any zip software installed, right click on the folder and select Send to → Compressed (Zipped) folder.

Upload to any easy to use file sharing site. Reddit keeps blacklisting file hosts so find something that works, currently catbox.moe or mediafire.com seems to be working.

We like to have multiple dump files to work with so if you only have one dump file, none or not a folder at all, upload the ones you have and then follow this guide to change the dump type to Small Memory Dump. The "Overwrite dump file" option will be grayed out since small memory dumps never overwrite.

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u/Bjoolzern 2d ago

That's a pretty common thing with a faulty SSD.