26.1.26

INACCESSIBLE_BOOT_DEVICE after system drive migration


When migrating to other type of disk, a proper boot-time driver has to be enabled. In my case, I needed to restore my notebook into using its builtin eMMC memory as system drive, moving Windows from SATA SSD.

 Boot time driver

 Preloaded during early stages of booting. No proper driver for system drive - big trouble.

Can be enabled when you're booted into safe mode, using:

  sc config [driver_name] start= boot

 Or with Process Hacker, if you're a weirdo:


 

 SATA -> eMMC

 Drivers to be enabled at boot: sdstor, sdbus

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