ericgla Posted August 12, 2014 Share Posted August 12, 2014 I must have missed your suggestion earlier. Installing te 10.9.4 patch listed above enabled my laptop panel. It looks like I lost my USB2 hubs, but I doubt that is related to this patch. Thanks so much for your help! Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted August 12, 2014 Moderators Share Posted August 12, 2014 Try rebuilding your cache. Did you have GenericUSBXHCI installed? Link to comment Share on other sites More sharing options...
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