It must be hard-coded into the firmware to begin with. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. Dell XPS Boot from USB Method 1: Turn off the laptop; Plug in your NinjaStik USB drive; Turn on the laptop; Press F12; A boot option screen will appear, select the USB drive to boot; The USB drive may be labelled as the brand name of the USB drive (Kingston, ADATA, Sandisk) However, the Dell boot menu key, as well as the BIOS key for some older Dell computers, maybe “Ctrl+Alt+Enter”, “Del”, “Fn+Esc”, “Fn+F1”. SO I'm trying to boot an UEFI USB stick with a live 18.04 OS on it. We will explain Dell Latitude 7480 Boot from USB guide which can work for Windows and Linux. So I've found the "workaround" or the logic behind the Dell boot BIOS. This was on a stick that was created by acronis imaging - I made a backup of the stick, then used diskpart to clean, partition, and format with fat32. When F12 = Boot Menu appears in the upper-right corner of the screen, press . Here’s how: Press F10 and ESC (or Delete) keys when booting your computer to open the BIOS Setup utility. If I have a WIM that's larger than 4GB, I use Rufus to create a specially prepared flash drive that uses an NTFS partition for the main data but also contains a small FAT partition that stores a UEFI NTFS driver. When partitioning you can probably mark the system partition as fat32 and then just save your images or whatever to another partition. It also supports booting from MBR-initialized devices for backward compatibility, but it's fine with GPT.Spanning WIMs can be a problem because the Windows Setup interface won't allow you to select images that reside in a spanned WIM, so if you use a spanned WIM you'd need to apply the image to the disk manually using a tool like DISM -- but most people don't know how to do that. After marking the partition as active and copying the files back down (Files over 4gb need to be spanned or enumerated on a separate partition) it worked as it used to. I would probably just boot a live stick and install ubuntu over the internet. As soon as you will see the company logo on the screen, start pressing the Boot menu key. If you are lucky, then all that … You can have a GPT flash drive that uses a FAT32 partition or an MBR flash drive that uses a FAT32 partition. This boot device … Booting Menu in Windows 10. I am trying to boot off an external USB DVD drive but it's not working for me. ; Go to the Boot tab and select the UEFI/BIOS Boot Mode by using the arrow keys, and press Enter. I do it all the time, and in fact UEFI is explicitly intended to boot from GPT devices. You now need to boot into the BIOS and enable UEFI mode. Method 2. In an ideal situation, you hook up your USB stick to the computer, press the power button, use the Esc key or some other function keys (F2, F9) or combination of keys to get to your one-time boot device selection page, use the arrow keys to move to your desired boot device and … Here are some popular options: Insert the bootable USB drive to the computer and restart the computer. Reset BIOS/UEFI settings to default. No issue there.. I just copied all my DVD content over to the Bootable USB device to do what I had to do. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. I just got in a new Dell E7470 and tried to boot off my flash drive. Example 2. I followed some instructions from a previous forum post: This: https://www.dell.com/support/article/en-us/sln142679/how-to-enable-boot-from-dvd-option-with-uefi-bo... and this: https://www.dell.com/community/Windows-10/How-to-Add-CD-DVD-boot-option-to-UEFI-boot-order/td-p/5052... 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