Cannot boot to Windows, Bootable Device Not Found error after initializing Drive on Dell E6x30 systems using UEFI mode with Win 8/8.1 and ESC 2.10.2 | Wave Systems Corporation
Boot Sequence in BIOS is empty, Legacy option is greyed! - Dell Community
Part 4 UEFI BIOS Settings for Windows 7 SecureBoot and Legacy ROMs - YouTube
Restoring UEFI boot entry via motherboard replacement or BIOS update - Thomas-Krenn-Wiki
Solved: dell latitude 5400 has no [advanced boot option] - Dell Community
Cannot seem to add USB as boot option Venue 8 Pro 5830 - Dell Community
XPS 13 9343: Cómo instalar la edición para desarrolladores de Ubuntu 14.04 en un equipo Dell configurado para el BIOS Unified Extensible Firmware Interface (UEFI, Interfaz de firmware extensible unificada) | Dell Argentina
Solved: How to add Windows Boot Manager into boot sequence in BIOS? - Dell Community
Dell 14-3473 File Browser add boot option WARNING: No media device - Dell Community