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When I execute command "sudo kextcache -Boot -U /": rebuilding //System/Library/PrelinkedKernels/prelinkedkernel kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext RealtekRTL8111.kext kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext IntelBacklight.kext kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext FakePCIID_Intel_HDMI_Audio.kext kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext FakePCIID_HD4600_HD4400.kext kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext FakePCIID.kext kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext CodecCommander.kext kext-dev-mode allowing invalid signature -67030 0xFFFFFFFFFFFEFA2A for kext AppleHDA_ALC283.kext File at path '/System/Library/PrelinkedKernels/prelinkedkernel' changed, cannot be used Child process /usr/sbin/kextcache[886] exited with status 77. Error 107 rebuilding /System/Library/PrelinkedKernels/prelinkedkernel Just in case, I did everything according to the instructions http://forums.macrumors.com/threads/handoff-breakdown-with-activation-tool.1803192/ After reboot my audio begun work ! Thank you so much, Jake Lo !!!

Hi! How did you get to work cardreader?

Thanks for reply! I saw this post and tried to do it, but nothing succeeded. May be because I put all kext to the clover’s kext folder and did nothing with repair permission. In the near future I will try to repeat it

I solved problem with the brightness of the following steps: 1. Download IntelBacklight.kext from https://bitbucket.org/RehabMan/os-x-intel-backlight/downloads 2. Copy it to clover kext folder 10.11 3. Remove ACPIBacklight.kext 4. Change DropOem key in the clover config.plist from false to true Left to solve the problem with sound

Who fixed brightness and audio on El Capitan? My laptop is 7537

Try this http://www.filedropper.com/89571updd Sorry, I don't know how to attach the file here, so uploaded it to the first available file sharing

Try loading with -v argument

And my sysinfo (we have a different model of webcam):

Many thanks!!! HDMI is working now

doesn't work too And when I updated from 10.9.3 to 10.9.5 the problem with freeze hdmi connect is back