![]() If you encounter the sticky situation like " BOOTMGR missing", it is convenient to swiftly restore boot settings with using a USB to avoid downtime and ensure system recovery. With that, you can modify boot order and back up while your PC is running well. No matter what computer brands you use such as Dell, HP, Lenovo, ASUS, etc., you can run this tool to manage your boot device easily. However, if you try AOMEI Partition Assistant Professional with its "UEFI BIOS Boot Options Manager" feature, things will get much easier. ![]() Furthermore, manually modifying the boot sequence presents a challenge for individuals with limited computer proficiency. Further reading: Use a powerful Boot Manager to easily manage boot deviceīooting into BIOS/UEFI for boot options can be confusing and time-consuming due to varying key combinations across computer brands. Your Dell computer will restart, and you should see the Windows Boot Manager option during the boot process. Saving and Exiting BIOSĪfter adding the Boot Manager entry, save your changes and exit the BIOS/UEFI settings. For Windows Boot Manager, it is usually located on the primary system partition. Specify the path to the Boot Manager file. Enter a descriptive name for the new entry (e.g., "Windows Boot Manager"). Select the option to add a new Boot Manager entry. This may vary depending on your Dell computer model. Then look for an option related to adding or editing Boot Manager entries. This option determines the order in which your computer looks for bootable devices when starting up. Once you're inside the BIOS/UEFI settings, locate the Boot or Boot Sequence option. During the boot process, look for on-screen instructions on which key to press to access the BIOS/UEFI settings (common keys include F2, F12, or DEL). If you forget them, you can click the title to reset it. Before you do, please make sure: The Dell computer is running Windows OS Access to the computer's BIOS or UEFI settings (usually accessed by pressing F2, F12, or DEL during boot) You may be asked for an administrator password or BIOS password. If there is no Windows Boot Manager in BIOS on Dell computers, you can follow this part to add Dell BIOS Windows Boot Manager. How to add Windows Boot manager in BIOS on Dell computers Once found, the Boot Manager reads the necessary instructions from the master boot record or boot sector to initiate the Windows operating system. The BIOS-based system starts with a power-on self-test to check for any hardware issues and then looks for a bootable device, like a hard drive. This process is made possible through the BIOS, which is responsible for initializing hardware components and providing boot instructions. The Boot Manager identifies the bootable device and loads the operating system into the computer's memory. It ensures that essential functions are available before the device fully starts up. The Windows Boot Manager, provided by Microsoft, is an application that sets up the boot environment on a device. We hope this guide proves to be beneficial for your needs. Today, we will share a step-by-step guide for how to add Windows Boot Manger in BIOS on Dell computers. As far as accessing the ISO files is concerned, you will be happy to learn that the tool comes with autodetect on a loopback function, so the new ISO files can be immediately identified.For reasons like reinstalling or updating Windows, dual-boot configurations or BIOS updates, computer users may need to add Windows Boot Manager in BIOS. ![]() EFI executables, booting from ISO, customizing ISO boot menu as well as exFAT filesystem support. Some of the noteworthy features of the application include BIOS and UEFI support, secure Boot support, loading UEFI drivers, launching various bootloaders including. If you reached this point, then you can safely proceed to unpack the files.zip to the new disk you just created, copy the ISO files and boot the PC from the USB. The next step implies running diskmgmt.msc and accessing the unallocated space - via right-click - to configure the details of the new volume, namely size, filesystem and label. It is important to note that the tool requires additional image writing software, as you need to write ‘image.img’ to disk first. The tool can come in handy if you are experimenting with various software or system features on various versions of the same OS, for instance. MultiOS-USB is a tool that addresses advanced users who want to be able to operate with multiple ISO files when reinstalling the operating systems.
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