HD4000 Frame buffer edit for HDMI

[sfpqi]

Dell Inspiron 7720 non-3D

HD 4000 has a id of 01660009

I cannot get HDMI or VGA signal through their ports and in clover, it only emulate one port in the options.

Please help edit the Frambuffer

[sfpqi]

Anyone? Please Reply!

[WaldMeister]

Hi,

 

Open terminal and paste the following command: 

sudo perl -pi -e 's|\x05\x03\x00\x00\x02\x00\x00\x00\x30\x00\x00\x00|\x05\x03\x00\x00\x02\x00\x00\x00\x30\x02\x00\x00|' "/System/Library/Extensions/AppleIntelFramebufferCapri.kext/Contents/MacOS/AppleIntelFramebufferCapri"

DSDT method under the IGPU section: 

               Method (_DSM, 4, NotSerialized)
                {
                    If (LEqual (Arg2, Zero))
                    {
                        Return (Buffer (One)
                        {
                             0x03
                        })
                    }
                    Return (Package (0x06)
                    {
                        "device-id", 
                        Buffer (0x04)
                        {
                             0x66, 0x01, 0x00, 0x00
                        }, 
                        "AAPL,ig-platform-id", 
                        Buffer (0x04)
                        {
                             0x03, 0x00, 0x66, 0x01
                        }, 
                        "hda-gfx", 
                        Buffer (0x0A)
                        {
                            "onboard-1"
                        }
                    })
                }

HDMI display output is fine, just have not figured out how to get the audio working.