I have a MacBook Pro and work with different external monitors. The monitors have a keyboard and a mouse attached. Frequently the MacBook does not recognize the USB devices in the display and the keyboard and mouse do not function. I have to reboot. Is there a way to reset the USB system without rebooting?
You could try restarting usb in terminal. Like so:
sudo launchctl stop com.apple.usbd sudo launchctl start com.apple.usbd
Same problem here, it happens with a thunderbolt Apple display, and a thunderbolt LG display, and it's sometimes fixed after connecting/reconnecting/changing USB ports for the keyboard. On the LG even that did not work, only a complete reboot. I'm googling now for a USB reset solution that does not reboot my Mac. [update] Found this tool here: http://touch-base.com/downloads/MacProber/USB_Prober_Mac_OS_X_10.7.3.zip Still works on Sierra. I will keep this handy on my desktop in case it happens again.
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protected by Community♦ Jan 16 at 17:34
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