@naman87
Linux Oct 30, 2026

Best way to put an ISO on a USB so it actually boots?

Copying the ISO onto the stick obviously didn't work. Which tool should I be using to make it bootable, and does it matter if the target PC is UEFI?
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1 Answer

mia_fixes Nov 04, 2026
naman87
Copying the ISO file onto the stick is the classic mistake, it has to be written as an image. From Linux: find the stick with lsblk, then sudo dd if=yourfile.iso of=/dev/sdX bs=4M status=progress oflag=sync where sdX is the whole device, not a partition like sdX1. Triple check that letter, dd will happily wipe the wrong disk. balenaEtcher does the same thing with a GUI and checks the write afterwards. From Windows, Rufus. If the target machine is UEFI, pick GPT as the partition scheme. Ventoy is nice if you want several ISOs on one stick, you just copy them on after installing it.