Try connecting a USB 2 hub, and a wired keyboard and mouse.good evening I installed 13.4.1 on a mac pro 4.1 flashed in 5.1 with open core 0.6.7 and since then I no longer have a keyboard no mouse that works how can I redo them function. THANKS
After running the post install root patches, the bluetooth mouse and keyboard should be functional.
You might want to search this forum for bluetooth mouse and keyboard , as there have been many posts about that.
For example, https://forums.macrumors.com/thread....2346881/page-202?post=32102600#post-32102600