[HDMI] [Latitude 5280] - VGA output works, HDMI doesn't

[fearlipe]

HDMI is not working, tried sleep/reboot and still does not output video.

[QuanTrieuPCYT]

HDMI is buggy with the 4K60p patch, i'm also aware of this issue. Will look into this later

[fearlipe]

HDMI is buggy with the 4K60p patch, i'm also aware of this issue. Will look into this later

Can I undo the 4k60p patch?

[fearlipe]

HDMI is buggy with the 4K60p patch, i'm also aware of this issue. Will look into this later

Can I undo the 4k60p patch?

Here is my device properties:

`DeviceProperties

Add PciRoot(0x0)/Pci(0x1F,0x3) layout-id 69 PciRoot(0x0)/Pci(0x2,0x0) AAPL,ig-platform-id AAAbWQ== device-id FlkAAA== enable-backlight-smoother AQAAAA== enable-hdmi20 AQAAAA== enable-max-pixel-clock-override AQAAAA== force-online AQAAAA== framebuffer-con0-enable AQAAAA== framebuffer-con0-type AgAAAA== framebuffer-con1-enable AQAAAA== framebuffer-con1-type AAgAAA== framebuffer-con2-enable AQAAAA== framebuffer-con2-type AAQAAA== framebuffer-patch-enable AQAAAA== framebuffer-portcount AwAAAA== hda-gfx onboard-1 rps-control AQAAAA== enable-hdmi-dividers-fix AQAAAA== disable-agdc AQAAAA== Delete `

[QuanTrieuPCYT]

Can I undo the 4k60p patch?

sure you can, but i dont have the default values for the variables in the BIOS gonna extract the bios later as im spending my time doing a school project

[fearlipe]

Ok, I'll be using VGA since it does not affect me in anyway tho.

[H2mz]

Hello, I have the same problem, can anyone help?

[codigoperfeito]

we are the same ... my HDMI and VGA dont work.

[illiab9]

Latitude 5480 - HDMI not working.

[H2mz]

Hello, I have the same problem, can anyone help?

Hdmi wor EFI.zip k