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Dell 5548 - seeking guidance


victor27rs

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Without fakeid I have kernel panic with "AppleIntelBDWGraphics" not "AppleIntelBDWGraphicsFramebuffer"

ig-platform: 0x1626006 and patched FB.kext -> http://pastebin.com/mvha2wM6

 

I found patch DSDT:
 

Method (_DSM, 4, NotSerialized)
                    {
                        If (LEqual (Arg2, Zero))
                        {
                            Return (Buffer (One)
                            {
                                0x03
                            })
                        }

                        Return (Package (0x08)
                        {
                            "device-id", 
                            Buffer (0x04)
                            {
                                0x16, 0x16, 0x00, 0x00
                            }, 

                            "AAPL,ig-platform-id", 
                            Buffer (0x04)
                            {
                                0x02, 0x00, 0x16, 0x16
                            }, 

                            "model", 
                            Buffer (0x17)
                            {
                                "Intel HD Graphics 5500"
                            }, 

                            "hda-gfx", 
                            Buffer (0x0A)
                            {
                                "onboard-1"
                            }
                        })
                    }

But when I patch my DSDT, system hangs on white circle with black background.

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Bootpack only include SSDT-1, SSDT-6,SSDT-7. You'll need to generate SSDT.aml for your specific CPU. See here for link to the beta version of ssdtprgen.sh use to generate for Broadwell system.

In your first post you listed Intel and ATI graphics. My SSDT-7.aml in bootpack is patched to disable the ATI card, but you'll need to verify in sys info if it indeed does its job. Look under graphics/display and see if only Intel HD 5500 is showing.

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