maitrex Posted August 7, 2015 Share Posted August 7, 2015 Hi guys, I followed Jake Lo's installation guide "Dell Latitude E6xxx/E7xxx Yosemite Install Guide". Excellent guide, thank you Jake Lo. USB 2.0 works (mouse and an USB 2.0 HDD) but no USB 3.0. Everithing else specified with the guide works flawlessly. My Configuration: Dell 7440, i7 4600 U, 8 GB Ram, 256 SSD, Yosemite 10.10.4. Help please, Kind Regards, Maitrex Link to comment Share on other sites More sharing options...
Moderators Jake Lo Posted August 7, 2015 Moderators Share Posted August 7, 2015 Did you update the files to 10.10.4 from the update link? Also remove GenericUSBXHCI if you still have it. Link to comment Share on other sites More sharing options...
maitrex Posted August 7, 2015 Author Share Posted August 7, 2015 Hi Jake, Thank you for your reply. 10.10.4 files have been already updated 2 days ago but I did it again just to make sure that everything is all right. I've also removed GenericUSBXHCI from System/Library/Extensions then I have restarted. No change so fahr. Any other sugestions? 10x Link to comment Share on other sites More sharing options...
maitrex Posted August 7, 2015 Author Share Posted August 7, 2015 I've just deleted GenericUSBXHCI from EXTRA and now USB 3.0 is working. Many thanks again. M Link to comment Share on other sites More sharing options...
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