NF5280M5: Windows Sees the RAID Disk but Cannot Install

Source configuration and symptom

The case concerns NF5280M5 using legacy Windows installation with a RAID controller such as 3008iMR, 9361 or 9364. Setup detects the disk but reports that Windows cannot be installed or booted from it.

English-localized Windows Setup warning with selected Drive0Partition1 at500.0GB and unallocated393.2GB

English localization illustration of the source error photo. The selected partition remains 500.0 GB; the second unallocated area remains 393.2 GB. No successful installation is depicted.

Source correction

In the RAID controller’s configuration utility, select the intended virtual disk under Boot device, then verify the controller/firmware boot configuration for the chosen legacy or UEFI installation workflow. The source reports successful installation after setting that option.

Original English LSI MegaRAID SAS9364-8i BIOS utility with Boot device NONE highlighted

The original controller screenshot shows Boot device: NONE; it is the illustrated problem state, not an already applied correction. Its enabled controller-BIOS checkbox and other settings are retained. The Windows message can have other causes on other systems, so this case is not a universal diagnosis of disk, partition or driver faults.

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