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Attaching my fixes for reference. IOUSBHostFamily.kext reverted back to original system version. rytzs-MacBook-Pro:~ rytz$ sudo touch /System/Library/Extensions && sudo kextcache -u / Password: kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext VoodooPS2Trackpad.kext...

As I write this, I'm using my bluetooth mouse :O. Turns out my DSDT was disabling access to my bluetooth USB port (HS05), along with those other hidden ports. HS05 and those other hidden ports are referencing UPCI: Scope (_SB.PCI0.XHC.RHUB.HS05) { Method (_UPC, 0...

OK, was doing a bit more digging on the USB-front. I used SIV on Windows to give me some detailed info on the USB layout. Looks like Bluetooth is on port 5 on XHCI. I'll have to do some more testing with this on the Mac-side.

Did a reinstall of Capitan Beta 8 (not reformatted). Looks like EHCI kexts are loading which is good: rytzs-MacBook-Pro:~ rytz$ sudo touch /System/Library/Extensions && sudo kextcache -u / Password: kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext...

Thanks RehabMan. I'll post my results tonight. I ordered the Broadcom PCIe for grins. I'm going to try it out either way. Only $20 on Amazon. Maybe I'll get better WiFi / Bluetooth connections.

That's the strange part - even when I install my backed-up/original IOUSBHostFamily.kext, it's the same issue. I'll try again tonight and if it still doesn't work, I'll make a separate port injector kext for my USB issues and do a reinstall.

I know you are suggesting a reinstall to fix the problem, but is there not a way to repair the prelink without reinstallation?

Attached. Attached. kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext VoodooPS2Trackpad.kext kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext VoodooPS2Mouse.kext kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext...

Posted previously: rytzs-MacBook-Pro:~ rytz$ csrutil status System Integrity Protection status: enabled (Custom Configuration). Configuration: Apple Internal: disabled Kext Signing: disabled Filesystem Protections: disabled Debugging Restrictions: disabled DTrace Restrictions...

The strange thing is that I backed up the original IOUSBHostFamily.kext and even when I reinstall the original, the kexts inside, AppleUSBEHCI.kext and AppleUSBEHCIPCI.kext don't load. XHCI kexts show up as loaded just fine. It's possible that EHCI kexts have never loaded correctly after...

I see. I didn't realize that. You're probably right then that it has something to do with my USB ports. Per the El Capitan USB Fix Guide thread on another forum, I added entries from my DSDT and IOreg into AppleUSBEHCIPCI.kext (Info.plist) get my USB ports working. AppleUSBEHCIPCI.kext...

How are the two related? I'm not using a USB Bluetooth. The Bluetooth is PCI-E WiFi-BT combo. And actually, all of my USB ports work with my fix, I just have USB3 ports showing under the USB2 hub. The kext doesn't load on startup for some reason, though. I have to load it manually.

Just to confirm, csrutil shows security as disabled: rytzs-MacBook-Pro:~ rytz$ csrutil status System Integrity Protection status: enabled (Custom Configuration). Configuration: Apple Internal: disabled Kext Signing: disabled Filesystem Protections: disabled Debugging Restrictions...

I installed the debug version of the kext, repaired/rebuilt, rebooted. IOreg attached. GREP output: rytzs-MacBook-Pro:~ rytz$ grep -y ioath3k /var/log/system.log Sep 7 03:21:26 rytzs-MacBook-Pro com.apple.kextcache[613]: kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A...

I tried reinstalling the latest kext again but no change. I have an icon on the menu bar that's greyed out and just says "Bluetooth: Not Available". I confirmed that the bluetooth is working on Windows. Is there some debug info I can get for you? I did a syslog for that kext but don't see...

Atheros Bluetooth: Not Working (AR3011) [SOLVED] My "AR5B195+AR3011" combo card was working great in Yosemite 10.10.5 . In Capitan Beta 8, I have working WiFi with toledaARPT.kext but I'm no longer getting bluetooth with IOath3kfrmwr.kext. I'm having weird issues with some kexts not loading...

Turns out that, even though the I re-installed an original kext, it is not being loaded on startup. The good news is that I can load the kext manually without errors. Just need to figure out why its not being loaded on startup... syslog here I come!

Looks like SIP is disabled, per csrutil:

I'm working on some USB issues with my Capitan build. I edited "IOUSBHostFamily.kext > Plugins > AppleUSBEHCIPCI.kext" to attempt a USB2 fix from another forum, which didn't work. After replacing the edited kext with a backup of the original, I noticed that the original kext was no longer...

I thought ALC283 was the codec? :D Realtek High Definition Audio. The only way I could confirm I had ALC283 on my system was by using the "aplay" command on linux to dump the audio info. I couldn't find it anywhere else via Windows, OSX, or searching online. You are correct, though. At...