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HDMI Not working on Intel 520 on Acer Aspire F 15

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New Problem Report Files attatched. Please help
 

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  • Problem Report 3.zip
    5.3 MB · Views: 74
Andyapple said:
New Problem Report Files attatched. Please help
Click to expand...
you may need to change framebuffer-con2-type to framebuffer-con1-type as that is set on your hackintool image a few pages back
 
Is this ok? I just changed the number 2 with the number 1 in framebuffer enable and in framebuffer type

Code: 
key>PciRoot(0x0)/Pci(0x2,0x0)</key>
            <dict>
                <key>AAPL,ig-platform-id</key>
                <data>
                AAAbGQ==
                </data>
                <key>AAPL,slot-name</key>
                <string>Internal</string>
                <key>device_type</key>
                <string>VGA compatible controller</string>
                <key>framebuffer-con1-enable</key>
                <data>
                AQAAAA==
                </data>
                <key>framebuffer-con1-type</key>
                <data>
                AAgAAA==
                </data>
                <key>framebuffer-patch-enable</key>
                <data>
                AQAAAA==
                </data>
                <key>model</key>
                <string>HD Graphics 520</string>
            </dict>
 
Andyapple said:
Is this ok? I just changed the number 2 with the number 1 in framebuffer enable and in framebuffer type

Code: 
key>PciRoot(0x0)/Pci(0x2,0x0)</key>
            <dict>
                <key>AAPL,ig-platform-id</key>
                <data>
                AAAbGQ==
                </data>
                <key>AAPL,slot-name</key>
                <string>Internal</string>
                <key>device_type</key>
                <string>VGA compatible controller</string>
                <key>framebuffer-con1-enable</key>
                <data>
                AQAAAA==
                </data>
                <key>framebuffer-con1-type</key>
                <data>
                AAgAAA==
                </data>
                <key>framebuffer-patch-enable</key>
                <data>
                AQAAAA==
                </data>
                <key>model</key>
                <string>HD Graphics 520</string>
            </dict>
Click to expand...
see what happens
 
Finally a good news!
4k resolution is working.

Well I have to be specific:
When both monitor are working the secondary monitor is 1080p, when i close the notebook, the secondary monitor switch to 4k resolution!

(Also If i select 4k in Preferences it is still 1080p when both monitors are ON, if only secondary monitor is ON it is 4k)

We're making progress!

Audio still not working
 
I don't know what else to do
 
I can not change my dvmt prealloc in bios. My bios is really limited. I tried to search how to mod my bios and this was the answer

Your bios is moddable but bios chip is rewrite protected.
You need SPI Programmer+Pomona SOIC8 clip or Rapsberry to flash modified image.

So bios mod is not an easy solution, too risky for me.

I remember that on sierra or high sierra audio on hdmi was working, nor stable but working.

Please i really need hdmi to be fully working.
Thanks to you we're making good progress.
 
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