Resolve No Bootable Device Found Error in Legacy Mode on Dell …
Jul 30, 2025 · Using an Optical Drive to install the operating system is not supported in legacy mode as there is no Optical Drive option in the Boot Menu. The above Dell computers have a …
How to Resolve Hard Drive or solid state drive Issues on your Dell ...
Nov 13, 2025 · This article provides information about how to troubleshoot and resolve common hard drive (HDD) or solid state drive (SSD) issues on a Dell computer.
Computer Cannot Boot into Windows | Dell US
Operating System Not Found: The computer cannot find the operating system on the hard drive. Boot Configuration Data (BCD) Missing or Corrupted: The Boot Configuration Data file is …
无法启动操作系统No Boot | Dell 中国
目的： 电脑完成开机自检后，将尝试启动操作系统。如果计算机通过了 DELL 徽标画面，然后在尝试加载操作系统时挂起，则很可能是无法引导问题。 本文介绍了对正常开机且在启动时通过 …
operating system loader signature not found in SecureBoot ... - Dell
May 15, 2017 · Inspiron 15-3567 showing "operating system loader signature not found in SecureBoot database ('db'). All bootable devices failed Secure Boot verification" after i …
コンピューターの電源を入れてもWindowsが起動しない | Dell 日本
Operating System Not Found：コンピューターがハードドライブ上でオペレーティング システムを検出できません。 Boot Configuration Data (BCD) Missing or Corrupted：ブート構成デー …
Troubleshoot a Dell computer that does not boot to Windows 11 …
Oct 14, 2025 · This lets you access your internal files from another operating system, even if your computer does not boot. Document your software. List installed programs Note license keys …
Dell製コンピューターのレガシー モードでの「No Bootable …
概要: ノートパソコンおよびデスクトップの「No bootable devices were found」エラーを解決。UEFIモードに切り替えてWindows 10またはLinuxを再インストールすることで、起動デバイ …
计算机无法启动进入 Windows | Dell 中国
Operating System Not Found（未找到操作系统）：计算机无法在硬盘上找到操作系统。 Boot Configuration Data (BCD) Missing or Corrupted（启动配置数据 (BCD) 丢失或损坏）：启动配 …
Operating system loader signature not found in secureboot da
Aug 22, 2018 · Error: Operating system loader signature not found in secureBoot database (‘db’). All bootable device failed secure boot verification