OptiPlex 5000 won't boot with USB inserted
Two brand new OptiPlex 5000 SFF units will not power on and POST at all if the Dell Image Assist USB is plugged into any of the USB ports. I am not getting any LED codes, the units just fan on, LED breathes for a sec, then shuts off and tries again until the USB is unplugged. I can get to the BIOS if I unplug the USB drive but there does not appear to be any settings causing this. BIOS is version 1.5.1.