Hi eszerfrm and RehabMan, I tried ig-platform-id=0x0c260000, 0x0d220003, 0x0c260006, but still can't fix my resolution problem. And I set intelGFX as 0x04128086, but still can't work. At About This Mac, my graphics always shows "Display 3 MB". Here is my DSDT and Kext in clover files. In other...