Tried with hubs as well nothing. Zakhar says: When ports and other Mac components tend to be glitchy or unresponsive we need to reset the chips that are basically in charge of these actions.
November 29, 2016 at 9: So I had the same problem with USB ports not working on a macbook pro. This worked great on my big-box hackintosh.
None of these resets worked.
November 5, 2015 at 2: John-Dag says: August 10, 2015 at 10: Now put your Mac to sleep then wake it back up. This worked like a charm for me, thanks.
Start by ensuring that no applications are running and if they are go ahead shut them down. OS X No more autocorrect slip-ups!
February 5, 2016 at 9: I have a MacBook Pro and work with different external monitors. This worked perfectly for my MacBook Air!!
Bill says: Thank you! August 12, 2015 at 4: Or just, you know, call apple. Also, the means to reset the SMC varies for different older models.
How can i manage this problem? You lose the iSight camera because it is part of the USB bus. Kim says: