USB ports are paired on the USB bus. Probably using too much data or power for both ports to be usable in that pair
Thanks, a logical answer. I thought it might be magnetic fields or something.
@Hovis started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
USB ports are paired on the USB bus. Probably using too much data or power for both ports to be usable in that pair