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Latitude 7280: some unresolved problems with Big Sur + OC 0.6.9


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Or you disable the entry for USBInjectAll and add/enable USBMap... Just the usual, really.

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Given the continuing lack of clarity, same comments and questions as before:

  • Webcam is USB internal and is therefore expected to be listed in SysInfo->USB. Is it the case?
  • If it's not you still have not properly mapped your USB ports (I noticed you still have XhciPortLimit enabled).
  • If it is, consider the webcam unsupported.

You may also want to check that the camera works in, say, Windows to rule out a physical problem (bad connection, defective device). All in your hands...

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I'm sorry for the lack of clarity, I'm dyslexic, I'm sorry in advance, but before I was on windows and the webcam worked perfectly,
and I don't know how to disable XhciPortLimit  

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:shock: Obviously you open up your OC config with whatever tool you normally use (ProperTree, OpenCoreConfiguratorXcode, etc.) and you disable the currently enabled XhciPortLimit parameter. It's as simple as that.

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It's so easy to create a USB map.

 

Follow this guide:

https://github.com/corpnewt/USBMap

 

The reason why your webcam is not showing is because you are not mapping your USB ports correctly.

 

https://github.com/corpnewt/USBMap/blob/master/Information.md

Features

No dependency on USBInjectAll

Can map XHCI (chipset, third party, and AMD), EHCI, OHCI, and UHCI ports

Can map USB 2 HUBs currently disabled

Matches based on class name, not port or controller name

Allows setting nicknames to the last-seen populated ports in discovery

Aggregates connected devices via session id instead of the broken port addressing

Can use best-guess approaches to generate ACPI to rename controllers or reset RHUB devices as needed

 

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