Reset network interfaces as per FAQ. http://www.tonymacx86.com/el-capita...faq-read-first-laptop-frequent-questions.html Also, as you can see with your kextcache output, you have an issue with kexts you installed: Code (Text): Can't read info dictionary for BrcmFirmwareInjector2_0489_e032.kext: IOCFUnserialize: syntax error near line 1. ... Can't read info dictionary for BrcmFirmwareInjector_0489_e032.kext: IOCFUnserialize: syntax error near line 1. .. /Library/Extensions/BrcmFirmwareRepo.kext is not authentic; omitting from prelinked kernel. Can't use BrcmFirmwareRepo.kext - not linked. .. VoodooHDA.kext has incorrect permissions; omitting.