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Latitude 7400 USB 3.1 xHCI Controller Issues (Catalina)


dennisc

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Hi friends, after following Herve's guide and many others tips  on the forum for this specific latitude7400, I have been implemented most of the functions,but 5 features can't work which may be caused by USB ports limited (Canno Point-LP USB 3.1 xHCI Controller).

 

No Detecting(but Win10 works): 

Bluetooth(DW1560 pin-masking 5 pins, Lenovo version, it works better on another Hackintosh)

WWAN Card (Huawei ME906C)

IR Camera

two USB 3.0 ports(only U disk works, but mouse can't)

microSD Card Reader

 

Working: 

I7-8665u with CPUFriend

intel UHD Graphics 620 2048MB

Audio ALC295 layout-id 77

WLan with DW1560

I2C Touchpad

Screen Backlight control with Fn+F6/F7

Sleep and Wake

Thunderbolt 3 USB 3.1 Controller(test U disk, mouse, charging)

 

303213696_2019-11-057_58_04.png.2d617989eeabc2afbebe169ca0ace3db.png

917457949_2019-11-058_38_30.png.9c74b9c8b75de24b35633104828b669e.png

 

the clover and ioregistry files in attachment.

EFI.7z

ioregistry.7z

 

Thanks!

Dennis C

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Solved! 

According to Hervé's post , I rebuild the config.plist again, and use the MacBookPro15,2 model(four thunderbolt) .

Now, they can work: 

[done] Bluetooth(DW1560 pin-masking 5 pins, Lenovo version, it works better on another Hackintosh)

[done] WWAN Card (Huawei ME906C)

[done] Integrated_Webcam_HD (IR Camera also unsupported)

[done] two USB 3.0 ports(only U disk works, but mouse can't)

microSD Card Reader unsupported.

541247824_2019-11-0811_07_23.thumb.png.7fc893b6d543984d88292d631875817e.png

 

 

 

PS: Audio ALC295 layout-id has change to 13.

 

the `config.plist` file in attachment.

config.plist.zip

 

 

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Thanks for your EFI. It can work at my dell latitude 7400 as your description. But I found a problem with my outer 4K monitor. 

When I connect a 4k  monitor to the HDMI port on my laptop I can only select 1080p/60. I've used RESx and can force 1440p but still not 4k 24/30hz (HDMI port is only 1.4). In windows it will do 4k 24/30hz.

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@Jake Lo

 

I used apple native  bcm9436cs2  card  with converted case  in my latitude 7400, don't need extra  kext driver . I set empty to the boot args. 
I had tried one-key-hidpi script before, also failed.  I looked up large  articles to solve  the 4K  monitor  problems, seems this issue related   framebuffer dvmt. 

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