You cannot run the DMI tool from within Windows. Here is why:
Open your file explorer and locate the extracted HP DMI tool files (e.g., NbDmiFit folder contents). hp dmi tool bootable usb
Often ends with #ABA or similar regional identifiers. PCID: A long string found on the service label. You cannot run the DMI tool from within Windows
If you see “Invalid system disk,” the USB was not created with proper bootable DOS. Recreate using Rufus with FreeDOS. hp dmi tool bootable usb