Dell Latitude 3450 i5-5200u HD5500

[pastrychef]

my wifi card is intel wireless 7265 (rev 59).
In the EFI i have changed itlwm, brcm and audio kext.

1. Apply a proper USB fix. Don't rely on USBInjectAll. (I still don't know why you replaced my USB fix.)
2. Get rid of XHCI-unsupported.kext. Don't need it.
3. Use AppleALC instead of VoodooHDA to get native audio and better audio quality.

 

[harii]

With your Usbports.kext the Bluetooth and camera was not found in USB it self (screenshot).
And I removed Xhci-unsupported.kext and audio is working fine. the only problem is camera (all other usb works fine).
as I am a student it is really important in online classes.

 

[pastrychef]

With your Usbports.kext the Bluetooth and camera was not found in USB it self (screenshot).
And I removed Xhci-unsupported.kext and audio is working fine. the only problem is camera (all other usb works fine).
as I am a student it is really important in online classes.

Weird... All the ports and internal USB devices are working on my laptop...

You will have to apply one of the proper USB fixes for that stuff to work.

The New Beginner's Guide to USB Port Configuration

Important Update: June 2023 From Big Sur 11.3 on the built-in OpenCore XhciPortLimit quirk no-longer worked as described. This became a known "bug", though in reality it was Apple changing their internal code, making a simple "peek and poke" to keep it operating, a difficult task. However, with...

www.tonymacx86.com

 

[pastrychef]

With your Usbports.kext the Bluetooth and camera was not found in USB it self (screenshot).
And I removed Xhci-unsupported.kext and audio is working fine. the only problem is camera (all other usb works fine).
as I am a student it is really important in online classes.

I just tested my USB ports kext on Big Sur 11.3.1 and everything works fine...

 

[harii]

Weird... All the ports and internal USB devices are working on my laptop...

You will have to apply one of the proper USB fixes for that stuff to work.

The New Beginner's Guide to USB Port Configuration

Important Update: June 2023 From Big Sur 11.3 on the built-in OpenCore XhciPortLimit quirk no-longer worked as described. This became a known "bug", though in reality it was Apple changing their internal code, making a simple "peek and poke" to keep it operating, a difficult task. However, with...

www.tonymacx86.com

thanks for your guide, finally it works.