flava Posted June 17, 2014 Share Posted June 17, 2014 Hi Guys I have made a usb installer of Yosemite but when I get to the selection of where I want to install Yosemite no hard drives are visible only the usb installer I made. I had the same problem with installing mavericks and I was kindly given (by another member on here) a modified IOPCIFamily.Kext which would then make my hard drives visible. I have installed Yosemite on a 60gb usb hard drive just for testing so know my system will run it I just need to get the internal hard drives visible. I am not sure if it helps but I have attached the modified IOPCIFamily.kext I was given to get Mavericks to see my hard drive Thanks in advance for any help http://www.filedropper.com/iopcifamilykext Link to comment https://www.insanelymac.com/forum/topic/298892-hard-drive-not-detected-during-yosemite-install/ Share on other sites More sharing options...
flava Posted June 18, 2014 Author Share Posted June 18, 2014 Can anyone help me with this ? Link to comment https://www.insanelymac.com/forum/topic/298892-hard-drive-not-detected-during-yosemite-install/#findComment-2031475 Share on other sites More sharing options...
WebBuilder Posted June 18, 2014 Share Posted June 18, 2014 Hi flava, you should boot with SATA AHCI mode in the bios. Link to comment https://www.insanelymac.com/forum/topic/298892-hard-drive-not-detected-during-yosemite-install/#findComment-2031573 Share on other sites More sharing options...
flava Posted June 18, 2014 Author Share Posted June 18, 2014 Hi, Yes the bios is set to run in ACHI as I was already running Mavericks. Link to comment https://www.insanelymac.com/forum/topic/298892-hard-drive-not-detected-during-yosemite-install/#findComment-2031574 Share on other sites More sharing options...
redneck Posted June 18, 2014 Share Posted June 18, 2014 I had the same problem , look here on forum HP7700. I think it will see PC HD if You format the whole Drive GUID, Mac J extend but i haven't tried to install windows on that drive. Link to comment https://www.insanelymac.com/forum/topic/298892-hard-drive-not-detected-during-yosemite-install/#findComment-2031668 Share on other sites More sharing options...
RCOO Posted June 26, 2014 Share Posted June 26, 2014 Try using the flag -x with the installer. I had the same problem in Mavericks install until I booted the installer in safe mode. Link to comment https://www.insanelymac.com/forum/topic/298892-hard-drive-not-detected-during-yosemite-install/#findComment-2034443 Share on other sites More sharing options...
flava Posted June 28, 2014 Author Share Posted June 28, 2014 I managed to sort this by installing to a usb hard drive then cloning the usb hard drive to my internal hard drive I have had to add a few kexts but yes all working fine on my Dell optiplex 755 Link to comment https://www.insanelymac.com/forum/topic/298892-hard-drive-not-detected-during-yosemite-install/#findComment-2034960 Share on other sites More sharing options...
shinglestrugglebottle Posted October 23, 2014 Share Posted October 23, 2014 what exactly did you do? I tried this but when I tried booting back to the usb after the install I kept getting kernel panics. What kexts did you use? Mind posting DSDT? Link to comment https://www.insanelymac.com/forum/topic/298892-hard-drive-not-detected-during-yosemite-install/#findComment-2074672 Share on other sites More sharing options...
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