I am running Win 10 64 bit Home edition on a 64 bit Asus VivoBook X542UAR. Assume my bios says I only have 1 boot option, namely #1 Harddrive. Suppose I disable this harddrive and turn off the computer. I then insert a bootable USB stick with a complete 32 bit Win 7 Premium (not a recovery stick) into one of the usb-slots and turn on the laptop. What happens? Will the computer refuse to boot and display some recovery screen or will it automatically discover my USB stick, look at its boot sector and start up in Win 7 ?

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put on hold as too broad by Ramhound, JakeGould, Keltari, DavidPostill Oct 12 at 20:40

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  • 3
    What will happen entirely depends on your boot order configuration of your device. – Ramhound Oct 12 at 16:22
  • The boot order often contain multiple drives/devices and the firmware should try to initialize the next in order. – GabrielaGarcia Oct 12 at 17:37
  • I have no boot order because I have only 1 boot device (harddisk) and dont know how to add another - have to enter Name of device (is "Dacota USB" sufficient?) and enter a Path ? – Jens Oct 12 at 17:57