After a Windows update, you get a blue screen error "INACCESSIBLE_BOOT_DEVICE".
Many X515EA configurations use an Intel 660p or similar NVMe SSD. Older IRST drivers (pre-version 17) often fail to recognize these drives in UEFI mode. The "top" driver (version 18.x or 19.x) includes updated NVMe firmware handshake protocols. asus x515ea irst driver top