Guide Issues Startup Issues Switch from IDE/RAID to AHCI Updated September 15 2024
If you switch before doing this, you will likely get a BSOD INACCESSIBLE_BOOT_DEVICE.

Before switch, run this as admin:
bcdedit /set safeboot minimal

Check if NVME and AHCI drivers are enabled.

Copy to Clipboard sc.exe query stornvme sc.exe query storahci



If you are switching to NVME, also run this:
Copy to Clipboard sc.exe config storahci start= boot sc.exe config stornvme start= boot




Change setting in BIOS
After windows boots up, run this as admin:
bcdedit /deletevalue safeboot

Another method:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\storahci\StartOverride
Change the 0 DWORD value from 3 to 0.

https://support.thinkcritical.com/kb/articles/switch-windows-10-from-raid-ide-to-ahci

Keywords: INACCESSIBLE_BOOT_DEVICE, Blue screen of death, AHCI, Raid, Performance, SATA, NVME




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