https://aaron.blog/tags/usb/Recent content in Usb on The Dangling PointerHugoen-usWed, 09 Apr 2014 14:02:05 +0000https://aaron.blog/mavericks-usb-hub-oddities/Wed, 09 Apr 2014 14:02:05 +0000https://aaron.blog/mavericks-usb-hub-oddities/<p>I have the strangest glitch happening with Mac OS X Mavericks and I can't find anyone else describing the same issue.  I have a D-Link DUB-H7 USB 2.0 hub connected to my Thunderbolt Display which is in turn connected to my retina 15" MacBook Pro.</p><figure class="kg-card kg-image-card"><a href="https://aaron.blog/content/images/wordpress-com/2014/04/img_2629.jpg"><img src="img_2629.jpg" class="kg-image" alt="USB Hub" loading="lazy" width="300" height="300"></a></figure><p>If I cold boot with this hub connected to my Thunderbolt Display, both the USB external keyboard (not connected to the hub) and the built-in keyboard have a number of keys that do not function.  I, J, M and a few others I know of offhand that don't work.  As soon as I disconnect the hub, both keyboards work perfectly.  Also, after I log into Mavericks, the keyboards work fine regardless of the hub being connected or not.</p>