this post was submitted on 14 Apr 2026
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Won't work if you need to update something like dell hardware firmware. DUP wont run in a pe environment. Of course you can extract the files but that doesn't always work. Sometimes you have to boot windows if the manufacturer doesn't bother to make a linux version for a desktop like they do for all their servers.
Dell has their own instructions on making a bootable usb for bios updates:
https://www.dell.com/support/kbdoc/en-us/000145519/how-to-create-a-bootable-usb-flash-drive-using-dell-diagnostic-deployment-package-dddp
Do it the hard way or the easy way. Oh and good luck with a drive update.