grischa Posted October 6, 2016 Share Posted October 6, 2016 Greetings, I recently made a fresh install of Sierra on my machine. For several startups everything was great, no issues, now suddenly without consciously having changed anything, macOS ain't starting no more.See the error in the photo below.My specs are:GIGABYTE GA-Z77X-UP5 TH, Intel i7-3770k, GTX570 HD, Corsair Vengeance DDR3 32GB Kit, SanDisk SSD Extreme 120GB, Western Digital Caviar Black 2TB, Corsair Hydro Series H60, TP-LINK TL-WDN4800, DeLOCK PCI Express card FireWire A / B, Antec P183 V3My BIOS version is F12 - 05/15/2014 I had followed this guide for activating iMessage, but everything worked fine after doing so, even several restarts of the machine: https://www.tonymacx86.com/threads/an-idiots-guide-to-imessage.196827/ A copy of this question can be found at: https://www.tonymacx86.com/threads/sierra-worked-great-suddenly-crashing-at-startup.204068/ Edit: I was recomended removing the TP-LINK card, after doing so, I now get the "hfs..." error shown on the second image. All help would be very appreciated.Thanks,Grischa Link to comment Share on other sites More sharing options...
Si Vis Pacem Posted October 6, 2016 Share Posted October 6, 2016 Latest Beta threw KP due to wifi kext. Try replacing IO80211Family.kext with the previous version. EDIT: If you didn't save it, remove device ID from kext. Link to comment Share on other sites More sharing options...
grischa Posted October 8, 2016 Author Share Posted October 8, 2016 Dear Loco Massa, as I don't reach the macOS GUI, how to change something with the kexts? In the copy of the post at tonymacx86.com I was recommended by jrii to change the system definition to iMac13,2. Same question here, how to do that without seeing the macOS GUI? I was further recommended by VoiletDragon to boot without cache but that changed nothing unfortunately. When starting from USB I get the following verbose screen: Link to comment Share on other sites More sharing options...
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