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Latitude 5580 Need help after installing Big Sur


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Hi everyone!

 

I have successfully installed Big Sur on my laptop.

Dell Latitude 5580, Core i5-7440HQ, 16Gb DDR4-2400, Intel HD630, Big Sur 11.2.1, LG 32UL950-W 4K

 

About.png.6d2527401c8eee74e18a18115b76c13f.png

 

What works:
- Built-in screen
- Wi-Fi (after replacing the stock card and modifying the seat ->)
- USB 3.0 ports

- USB-C port
- Keyboard
- Sound to built-in speakers

 

What does not work:
- USB-C DisplayPort
- HDMI port
- Touchpad

- Jack 3.5, the sound in the headphones rattles

 

Can you help me turn on the touchpad, fix the sound in the headphones, make the image output via HDMI and USB-C DisplayPort?

 

Spoiler

BIOS hardware.jpggraphics.pngusb.png

EFI.zip IOreg.zip

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