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Latitude 5580: boot loop, freezes and no HDMI output

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I am on a Dell 5580 too

the system is to 99% perfect

audio, wlan(Broadcom), sleep, touchpad is working

expect  HDMI output

all i do it ends in a reboot or the system hangs

I never see the external monitor in IORegistryexplorer or Hackintool

any Help please





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no way , System freeze when monitor connect, or monitor power on or off


how to get all weg debug info ?

in Hackintool I see less , then at start 


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got it

did some test, in another forum there was the hint to prevent AGDP from loading :



Name: com.apple.driver.AppleGraphicsDevicePolicy

Search: BA050000 00

Replace: BA000000 00

Comment: prevent AGDP from loading


and that did it for me🤣


Hot plug is working too

only HDMI audio is not there (need some tests,  pachting )

and there no Sync-options in Menu-bar

Bildschirmfoto 2020-05-23 um 09.51.52.png

Bildschirmfoto 2020-05-23 um 09.49.06.png

Bildschirmfoto 2020-05-23 um 09.48.37.png


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