USB Flash Drive UEFI problem

Hello Tenforums.com

No matter what I do, my Lenovo Flex 2-14 doesn't seem to recognise my USB as an UEFI Windows bootable flash device, despite following this guide https://www.tenforums.com/tutorials/2...dows-10-a.html (Option 2), step by step.

I am using a Verbatim 16GB USD v3.0 with Windows 10.10586 x64 on it, and I tried from all three USB-slots on the laptop.


BIOS configuration is as following:

Configuration:
Wireless LAN: Enabled
SATA Controller working mode: AHCI
Hotkey Switch: Hotkey Mode
Power Beep: Disabled
AMD Virtual Technology: Enabled
BIOS Bach Flash: Disabled

Security:
Adiminstrator password: Cleared
User Passord: Cleared
HDD Password: Cleared
Secure Boot: Disabled

Boot:
Boot Mode: UEFI
USV Boot: Enabled
PXE Boot to LAN: Enabled
Boot Priority Order: 1. USB HDD (..) 2. USB FDD (..) 3. ATA HDD: WDC WD200LPCX (..)

Exit:
OS Optimized Defaults: [Win 8 64bit]


The Boot Menu offers these options:

1. USB HDD: Verbatim STORE N GO
2. ATA HDD: WDC DW500LPCX
3. PCI LAN: EFI Network (IPv4)
4. Windows Boot Manager
5. PCI LAN: EFI Network (IPv6)


My pre-installed Windows 8.1 crashed and is not accessible in any way. I spent days now trying all kind of options back and forth, but I believe the above setup should be the right one.

Shouldn't option 1 of Boot Menu appear as something like "1. UEFI HDD: Verbatim STORE N GO"?

Anyone got an idea what is the problem here?

Hi Word Man,

Yes I can confirm I selected FAT32.

This is what Rufus looked like prior to pressing 'Start':

Judging from this info:
Installing linux via usb with uefi on lenovo flex ... - Lenovo Community

It looks like the Flex will only boot a flash drive in legacy mode.

NavyLCDR said:

Judging from this info:
Installing linux via usb with uefi on lenovo flex ... - Lenovo Community

It looks like the Flex will only boot a flash drive in legacy mode.

Thanks for bringing to my attention that thread over at Lenovo forum. It might seem to be some issues regarding Lenovo Flex and UEFI. I will have a deeper look within a few days and post here how the situation developes.

There was a hardware problem with my computer.

Thanks guy for taking your time to look into this post!

Panasonic said:

There was a hardware problem with my computer.

Thanks guy for taking your time to look into this post!

Could you please elaborate how you came to the conclusion that your hardware caused this malfunction?
And please, what hardware and in which sense? A hint to your solution would be great :)

My current setup is exactly the same and I cannot get Win8 nor Win10 to boot from a USB stick. I Used two sticks, but both fail to boot these. Out of curiosity I tried a stick with Win7 on it and it (kind of) worked. It boots to the installation screen, but then failes due to lacking driver support from Win7 (an error message appears) .