michaielroberts Posted January 30, 2017 Share Posted January 30, 2017 I have Sierra 10.12.3 up and running on my mobo/cpu combo, but I only have 3 USB ports functioning. I ran ioreg and found the only USB ports working.... HS01 (back panel lowest USB port under the ethernet port closest to the PCI slotsHS13 Front USB 1_2 mobo header that is my front USB portHS14 Front USB 1_2 mobo header that is my front USB portI have tried the following boot argument...uia_exclude=HS02;HS04;HS05;HS06;HS11;SSP01:SSP02:SSP03:SSP04 I have included some screen shot...hopefully someone can tell me what I am doing wrong... thanks EFI Master.zip Link to comment Share on other sites More sharing options...
r2tincan Posted February 12, 2017 Share Posted February 12, 2017 following Link to comment Share on other sites More sharing options...
michaielroberts Posted February 12, 2017 Author Share Posted February 12, 2017 I don't know why, but suddenly I have all USB ports functioning...I really don't know what I have done... Link to comment Share on other sites More sharing options...
mfc88 Posted February 12, 2017 Share Posted February 12, 2017 I don't know why, but suddenly I have all USB ports functioning...I really don't know what I have done... Use Rehabman's USBInjectAll.kext + XHCI-x99-injector.kext + custom SSDT-UIAC.aml Follow my simple guide here or Rehabman's guide here If you don't have MaciASL set up, follow my guide up to step 6 1 Link to comment Share on other sites More sharing options...
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