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Sound randomly stops working

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I just did an EC reset and there's no sound after that either.
Rebuilding cache after booting without caches fixes the problem too but only for one boot.

Seems like you have a problem with cache stability.
After booting without caches, you must rebuild cache (in Terminal, as per FAQ).
 
Seems like you have a problem with cache stability.
After booting without caches, you must rebuild cache (in Terminal, as per FAQ).
Done it exactly like the FAQ says, still nothing
 
Done it exactly like the FAQ says, still nothing

Something must be wrong with the set of kexts you have installed.
You can also patch the AppleHDA binary on disk instead of using (somewhat unreliable) Clover KextsToPatch.
 
Something must be wrong with the set of kexts you have installed.
You can also patch the AppleHDA binary on disk instead of using (somewhat unreliable) Clover KextsToPatch.
I just reinstalled my system and the sound works perfectly now, but I have a new problem. My spotlight search doesn't work good. It only finds dictionary definitions or webpages I visited. I've tried rebuilding my index by adding and removing my hard disk from the list of prevented search locations, and also the command
Code:
sudo mdutil -E /
, both didn't work.
Any idea on how to fix that?
 
Last edited:
I just reinstalled my system and the sound works perfectly now, but I have a new problem. My spotlight search doesn't work good. It only finds dictionary definitions or webpages I visited. I've tried rebuilding my index by adding and removing my hard disk from the list of prevented search locations, and also the command
Code:
sudo mdutil -E /
, both didn't work.
Any idea on how to fix that?

Check your Spotlight settings in SysPrefs.
 
Everything is checked and my disk is not disabled in "privacy"

There are some third party tools that can be used to reset the Spotlight index.
Or you could do a fresh install...
 
There are some third party tools that can be used to reset the Spotlight index.
Or you could do a fresh install...
I fixed it by deleting .metadata_never_index and running in terminal:
Code:
sudo mdutil -i off /
sudo rm -rf /.Spotlight*
sudo mdutil -i on /
sudo mdutil -E /
I have two last questions:
1. Sometimes when I turn off or restart my laptop It freezes on the desktop image and forces me to turn it off with terminal.
2. When I turn my computer off when it's plugged in to the charger, it turns on again.
What should I do?
 
Last edited:
I fixed it by deleting .metadata_never_index and running in terminal:
Code:
sudo mdutil -i off /
sudo rm -rf /.Spotlight*
sudo mdutil -i on /
sudo mdutil -E /
I have two last questions:
1. Sometimes when I turn off or restart my laptop It freezes on the desktop image and forces me to turn it off with terminal.
2. When I turn my computer off when it's plugged in to the charger, it turns on again.
What should I do?

.metadata_never_index turns indexing off for the volume it is placed on.
Generally you use .metadata_never_index on your EFI partition, but not your system partition.
As for your other problems, read FAQ, "Problem Reporting".
 
.metadata_never_index turns indexing off for the volume it is placed on.
Generally you use .metadata_never_index on your EFI partition, but not your system partition.
As for your other problems, read FAQ, "Problem Reporting".
Everything is attached to this comment
Terminal outputs:
Code:
Alons-MacBook-Pro:~ alonstarikov4$ kextstat|grep -y acpiplat
   13    2 0xffffff7f82def000 0x66000    0x66000    com.apple.driver.AppleACPIPlatform (5.0) 867C81BE-EA01-3A65-89F4-06D78E6514CA <12 11 7 6 5 4 3 1>
Code:
Alons-MacBook-Pro:~ alonstarikov4$ kextstat|grep -y appleintelcpu
Alons-MacBook-Pro:~ alonstarikov4$
Code:
Alons-MacBook-Pro:~ alonstarikov4$ kextstat|grep -y applelpc
   90    0 0xffffff7f8264b000 0x3000     0x3000     com.apple.driver.AppleLPC (3.1) F51595F0-F9B1-3B85-A1C3-F984DAD4107E <83 12 5 4 3>
Code:
Alons-MacBook-Pro:~ alonstarikov4$ kextstat|grep -y applehda
   99    1 0xffffff7f82ad1000 0x1d000    0x1d000    com.apple.driver.AppleHDAController (276.26) D0953002-6091-376F-8E0F-33B65F42CEF9 <98 97 72 12 7 6 5 4 3 1>
  114    0 0xffffff7f82c53000 0xb4000    0xb4000    com.apple.driver.AppleHDA (276.26) 7611D43E-12FE-3228-A6D3-9C99A5D030CC <113 99 98 97 77 72 6 5 4 3 1>
  116    0 0xffffff7f82acd000 0x2000     0x2000     com.apple.driver.AppleHDAHardwareConfigDriver (276.26) D58BD3DA-EEDA-3845-9094-D33CB6E20BCE <4 3>
Code:
Alons-MacBook-Pro:~ alonstarikov4$ sudo touch /System/Library/Extensions && sudo kextcache -u /
Password:
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 VoodooPS2Keyboard.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext VoodooPS2Controller.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext VoodooI2C.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext SATA-100-series-unsupported.kext
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 FakeSMC.kext
kext-dev-mode allowing invalid signature -67013 0xFFFFFFFFFFFEFA3B for kext AppleMobileDevice.kext
kext-dev-mode allowing invalid signature -67030 0xFFFFFFFFFFFEFA2A for kext AppleHDAHardwareConfigDriver.kext
kext-dev-mode allowing invalid signature -67061 0xFFFFFFFFFFFEFA0B for kext AppleHDA.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext ACPIBatteryManager.kext
KernelCache ID: 4022F972CD35A1972193D9F48D722D3C
symlink("/System/Library/PrelinkedKernels/prelinkedkernel", "/System/Library/Caches/com.apple.kext.caches/Startup/kernelcache") failed 17 (File exists) <createPrelinkedKernel 2795>
 

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