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HP dc7900: Best Settings / Kexts for USB?

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I installed YosemiteZone on this HP.  On first install, it works beautifully.

After installing the first set of Apple sponsored updates, USB no longer functions.  I know running updates is not always a good idea, but I would like to at least run the first set of security patches, etc.

Anyway, after I do the first update, USB simply stops working.  I assume it was a Kext or Kernal that got patched, but I don't know....

Can anyone offer some advice?

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Found it!  When you run Apple updates it sometimes puts the AppleHPET.kext back, and that is what messes up USB.

So, if you ever find USB not working again, just remove that file from System -> Library -> Extensions.

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On 16/1/2016, 02:33:41, GeeDeezy said:

Trovato! Quando si esegue Apple aggiorna a volte mette il AppleHPET.kext indietro, e questo è ciò che scombina USB.

Quindi, se mai trovare USB non lavorare di nuovo, basta rimuovere il file dal sistema -> Libreria -> Estensioni.

you can explain better, thanks.

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