10.12.1 b2 botches keyboard

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Created Sep ’16

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I installed the beta today and it botched my external keyboard. I use a MS keyboard at my desk. The update "forgot" about swapping the command/alt keys. Also, my "a" key no longer works. Rebooting doesn't help. I downloaded the installers from direct links and can't get any of them to run. Some "missing components" error. Ideas other than rolling back to the official 10.12.0 release?

Answered by brunokoga in 184009022

Following polyzargone's post, I was also able to get the keyboard working again. Here what I did:

1) Disable SIP (System Integrity Protection). I searched on Google and followed a step-by-step tutorial.

2) Make sure you backup /System/Library/HIDPlugins/IOHIDKeyboardFilter.plugin

3) Make sure you have a earlier version of the same file. In my case I asked a friend to send to me (from the final non-beta Sierra 10.12.0)

4) Delete /System/Library/HIDPlugins/IOHIDKeyboardFilter.plugin by doing sudo rm -fr /System/Library/HIDPlugins/IOHIDKeyboardFilter.plugin

(you will need to type a admin password (and I hope there is no "a" in yours...))

5) Move the earler version to the System's folder. Mine was in Desktop, so I did: sudo mv Desktop/IOHIDKeyboardFilter.plugin /System/Library/HIDPlugins

6) Restart.

7) Enabled SIP again.

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Answer 1

Christian OP

Sep ’16

Reset the PRAM and ran ********. Nothing fixed this. I'm kinda scared to try to install the official release over the top of a beta, especially with the firmware update. So... I pulled out my old "nasty" Apple flat keyboard. My wrists are already yelling at me but at least I can work.

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Answer 2

Gascogne OP

Sep ’16

The last beta update broke the keyboard layout badly.

Installed the 10.12.1 beta on my iMac and it really did a number on the keyboard layout...

Use 3rd party keyboards, one with usb and another with bluetooth and none of them work now as they should.

The following keys are not working as they should:

a = not working (Great for passwords with a in it 😝 )

h = i

j = h

And the following keys have always been misplaced and still are:

§ = <

< = §

Plus unable to pair an Apple bluetooth keyboard with the latest beta as well, so I can't use my iMac except with the mouse.

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Answer 3

SJB OP

Sep ’16

I get the same thing with my 3rd party mechanical keyboard. Modifiers were reset to the defaults, 'a' key does nothing, 'h' and 'i' swapped. Was fine in 10.12.1 b1. Old Apple Pro keyboard works OK.

I filed a radar.

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Answer 4

merowing OP

Sep ’16

same here with Microsoft Sculpt Keyboard

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Answer 5

corrpel OP

Sep ’16

Same problem here.

"a" is not working "g" (not "h")is swapped with "i".

I've tried to install the latest official (not beta) but i cannot do it because the beta version is newer.

Hope this will be solved soon.

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Answer 6

john-paul OP

Sep ’16

I'm also seeing the same problem with a Filco USB keyboard. The internal keyboard and an Apple external keyboard work fine. Have filed radar #28513850.

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Answer 7

bogo94 OP

Sep ’16

Same as you...

"A" key doesn't work, "G" and "I" are inverted...

Will the next release fix this, or should we re-install?

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Answer 8

cebronix OP

Sep ’16

Same. Corsair mechanical keyboard.

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Answer 9

stagency OP

Sep ’16

Likewise using MS Sculpt. Issue does not occur at login window or in Recovery Mode.

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Answer 10

leon.guan OP

Sep ’16

I am using a Filco USB keyboard, same problem, A not working, H and I have been swapped. Really nasty bug, killing me now.

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Answer 11

robos OP

Sep ’16

Same for me on MacBook Pro. I was about to set up the system again, glad i found this thread. Internal keyboard works as intended. The previous generation wireless external Keyboard doesn't, a doesnst work and for german keyboard layout h and i are switched.

Curiously, if I remove the batteries, wait for the Mac to realize the connection drop and add them again and pressing the a button endless times until it is connected again, it registrates like 6-8 a's (tested in a chat window) until suddenly a doesnt work anymore.

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Answer 12

Natesac OP

Sep ’16

Same problem. USB Magicforce 68 Mechanical.

Apple Bluetooth Keyboard works fine. Glad I have a backup.

Sent Feedback to Apple through Feedback Assistant (purple thingy)

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Answer 13

leon.guan OP

Sep ’16

One finding, not all external USB keyboards are not working correctly, I pluged in a old DELL usb keyboard and it's ok.

I tried to deleted `/Library/Preferences/com.apple.keyboardtype.plist` and reboot to make sure sierra can ask for confirmation on the FILCO keyboard again, but still no luck.

Just ordered another Mechanic keyboard, see if I got luck or not. This is really a nasty bug...

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