You cannot physically "downgrade" a USB 3.0 port. The ports are backward compatible to the older USB versions.* The four on the back are all USB 3.0* The two on the front right under the plastic cover are USB 2.0* The two on the leftside are USB 3.0
Hi With windows 8.1, on Dell XPS One 2710, how can I downgrade one particular port from USB 3 to USB 2? Thanks Regards Joss777
How to downgrade USB 3 to USB 2 on one particular USB port