How to boot to usb on Inspiron 15 3567 with UEFI

@1967 Mustang  on UEFI systems you don't go into the BIOS Setup and rearrange the boot order just to boot from a temporarily attached USB flash drive, because UEFI systems boot in a very different way from Legacy BIOS systems.  Although even on Legacy BIOS systems, going into the BIOS and temporarily rearranging your boot order and then changing it back later is an inefficient way to achieve USB booting.  The correct way is to press F12 during system startup to access the one-time boot menu, which as the name implies will allow you to choose an alternate boot device that one time, no need to mess with boot orders.

If you don't see your flash drive even in the F12 menu, then make sure it's properly set up for UEFI booting.  It needs to be formatted FAT32, not NTFS, and it needs to contain a bootable environment that actually supports being booted in UEFI mode, not just Legacy BIOS mode.  If you're trying to boot Windows 10 installation media, the Microsoft Media Creation Tool will take care of creating a UEFI-bootable flash drive.

I followed the instructions and inserted a 30GB Flash Drive. It partitioned the drive into 2 partitions, E: 1.31GB free of 1.99GB FAT32  DELLSTORE;   F: 27.1GB free of 27.2GB  NTFS  MEDIA. I started the 15 3567 and pressed F12 and a one time boot option never appeared, it just never popped up. This is the way Dell gave it to me. They asked for the Service Tag # and I thought they would match that info with an operating system I could install. They never gave me two different options of ones to download.

I just don't know what to do or how to do it. You gave me good advice, I just don't know how to get to that point where I will find a copy that will work.

@1967 Mustang  Dell has used F12 as the key to access the one-time boot menu during startup on all of their desktops and laptops for over a decade now.  So if you can't access it, my only suggestion would be to start tapping it repeatedly as soon as you press the system's Power button to start it up, and maybe to try an external keyboard in case there's an issue with the F12 key built into the keyboard.

I agree with you, I was repeatedly pressing F12, so tried it again and only pressed it once. In the upper right hand corner it flashed up saying "preparing one-time boot menu" , then that went away and this screen came up:

Boot menu is set to: UEFI; Secure Boot: ON; PTT is ON;

UEFI BOOT:

   Windows Boot Manager

OTHER OPTIONS:

   BIOS Setup

   BIOS Flash Update

   Diagnostics

   Change Boot Mode Settings

I have run the Diagnostics earlier today and it ran for about 5 hours, the report was all systems passed. I have been into all the other options and did not recognize anything that I thought I should press, so I didn't. It also says at the bottom BIOS Revision 2.9.0. 

Thank you for your help and recommendations. I will talk to the kid next door and see if he wants to pay for Windows 10 for this 2 year old computer or just go and buy a new one. That's all up to him at this point. But thanks again, I really appreciate it.

@1967 Mustang  ok, that's the correct menu.  So it sounds like either the flash drive isn't prepped properly, or I've seen cases where certain systems simply won't boot from certain flash drives even if they'll work perfectly fine with those flash drives as normal flash drives.  But one thing you can try is downloading regular Windows 10 directly from Microsoft here rather than using the Dell OS Recovery Tool.  The Media Creation Tool you get from Microsoft will create a simple flash drive that supports UEFI booting, and it will also include the latest release of Windows 10 rather than whatever Dell decided to package.  From there you'll want to use either Dell Update or Dell SupportAssist to retrieve any necessary drivers for your system.  But this way you'll start with a basic installation of Windows 10 without any extra stuff that Dell bundles in, which some people prefer.

No reason to buy a copy of Windows 10, the notebook already had 10 on it, so the MS Activation Servers already have your hardware registered so it will automatically activate.

MCT=  Media Creation Tool, Free to use,  allow it to create your USB Thumb Drive Installation media.  Use a clean USB as the tool will format it.

I have followed everyone's suggestions to the letter. I have used two different flash drives and have downloaded Microsoft Media Creation Tool 1909 and installed Windows 10 on both of them, and with the same results. This Inspiron will not except either one, and I get the same message on the screen when I hit F12, I just don't know what else to do, any suggestions from anyone? 

Did you allow MCT to create your USB install media? it asked you did you want to create a USB Install media

@1967 Mustang 

Download the ISO using MCT.

Use Rufus to create a USB flash drive.  https://www.aioboot.com/en/how-to-use-rufus-to-install-windows-10/

.

I never asked me if I wanted to create a install media but it did partition my Flash Drive into 2 partitions, E: 1.31GB free of 1.99GB FAT32  DELLSTORE;   F: 27.1GB free of 27.2GB  NTFS  MEDIA. After seeing that I assumed that the media was the install media.

This last ones I just finished with were both FAT32 and when making them it was set to both NTFS and BIOS, so I still have no idea what to do from here, any ideas anyone?

I downloaded Rufus and followed the instructions as per the web site concerning installing Windows 10 like you said. I even ran a long format first on the Flash Drive, not the quick one. And it gave me the same message when it was complete, it still didn't work. So re-formatted the Flash Drive again and loaded it back on again with the same results. I am lost, any other ideas, please?

@1967 Mustang  so to recap, you've tried multiple different flash drives, using both Dell OS Recovery and standard Windows 10 install media, and you've tried creating the latter using both Microsoft's Media Creation Tool and Rufus -- and you've confirmed that the flash drive is formatted as FAT32 after those applications have prepped them.  And you still aren't getting your flash drive to appear in your one-time boot menu?

At this point the other thing I can suggest if you haven't done it already would to try a different USB port on your laptop in case there's some bizarre quirk that would allow the USB port you've been using to work fine within Windows but wouldn't allow it to be used for booting.  I know that's a long shot, but at this point it's all I've got at the moment.

Using the MCT did you follow these directions?