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Before booting the USB, you must adjust your motherboard settings: Win7 UEFI installation problem - HP Support Community

If the USB still won't boot, you may need to manually copy the bootmgfw.efi file from a working Windows 10/11 system into the /efi/boot/ folder on your USB drive and rename it to bootx64.efi 3. The "Slipstreaming" Problem (The Real Story) Download Windows 7 Uefi Iso