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Cursor, keyboard unresponsive at user login?

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UPDATE!

 

So I have disabled USB Keyboard & USB Mouse in Bios

and all is ok.

 

I never had this problem before with them on. Now I cannot choose boot disk in chameleon or boot with flags due to keyboard out.

 

Keep reading it has to do with IOPCKIT but have deleted and re-installed several times with no solution.

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UPDATE!

 

So I have disabled USB Keyboard & USB Mouse in Bios

and all is ok.

 

I never had this problem before with them on. Now I cannot choose boot disk in chameleon or boot with flags due to keyboard out.

 

Keep reading it has to do with IOPCKIT but have deleted and re-installed several times with no solution.

 

I had this problem, sounds strange but... Do you have an Audio injector Kext? (HDAEnabler)

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