USB Drive not bootable

Question

Hello, before I say anything else, this is only affecting one model that I know of, Dell Latitude 5300, but it is affecting all of the ones I had available to test. With the latest version of Dell IAX, I made a series of bootable USB drives, these worked great on several systems, laptops and desktops alike, until I tried it on a 5300, it simply will not see it as a bootable device, but it does see it if I try to add a UEFI boot path (though it fails to add it even if I select the proper .efi file). As I did not make the initial round of drives on the 5300, I installed IAX on a 5300 and recreated a bootable drive. Still couldn't boot off of it on the 5300 and other systems could do so without issue. I update the BIOS after resetting settings to default (and then of course making the appropriate changes like changing Fastboot to Thorough, etc.) and still had issues. I'm honestly scratching my head on this one. Any help or feedback would be greatly appreciated

bferguson81 · Answer

Please disregardWas able to manually create a UEFI Boot Sequence option pointing to the USB drive (EFI\Boot\bootx64.efi) and that worked. Hope 5300 is the only model affected.

bferguson81 · Answer

To update, this also occurred on Optiplex 7070 desktop systems

DELL-Tyler M · Answer

@bferguson81 - thank you for sharing the workaround. Our support & dev teams are aware of the issue and are looking into this. I've shared your workaround with others in the forum who are reporting this too.

DELL-Tyler M · Answer

@bferguson81 - some BIOS updates recently released appear to resolve this issue. I've tested on both the Lati 5410 & 7410 and after upgrading the BIOS no longer have the issue.

Samsonait · Answer

Dell 7210 2-1 with i5 also has same issues, going to try to flash the bios and see if the issue returns

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