Flopy disk fail
Oh yeah, a problem that always occurs. Don’t panic, my dear friend. If a message stating this error pops on your screen, then it means that you have one of these problems:
Your Integrated Drive Electronics (IDE) cable is loosely connected. Check the IDE cable and make sure if both ends are fully plugged in.
Another problem may be that the IDE cable is reversed. Yes, this can happen. Check if one or both ribbon cables are actually connected in the right way. What right way? Pin 1 should align with Pin 1 on the drive. Just look for the side that is incorrect and flip it around.
If it’s not the IDE cable, then it may be your power supply. Check if you have power to the floppy drive.
Another variation of the problem is that the drive is probably attached to the wrong side of the twist. The twist reverses voltages and is found between the two drive connectors of IDE cables. You can swap the floppy drive by enabling it in the BIO. It is simpler though to just attach the drive to the other plug.