cyberderf Posted April 16, 2014 Share Posted April 16, 2014 What kexts you have and which version of Mavericks? Link to comment https://www.insanelymac.com/forum/topic/297487-dell-optiplex-755-users/ Share on other sites More sharing options...
ebrunson Posted April 28, 2014 Share Posted April 28, 2014 Just got this working: OS X 10.9.3 Beta (13D45a) with these Kexts: AppleACPIPlatform.kext AppleAHCIPort.kext IOAHCIFamily.kext IOPCIFamily.kext VoodooHDA.kext and to get rid of "Black Screen" on boot (for my GT-640 and maybe other NVIDIA GPUs) NVDAResman.kext NVDAGK100Hal.kext used kextstat | grep NV to find out what kexts I was using n 10.9.2 Link to comment https://www.insanelymac.com/forum/topic/297487-dell-optiplex-755-users/#findComment-2015737 Share on other sites More sharing options...
cyberderf Posted April 28, 2014 Author Share Posted April 28, 2014 Thanks ebrunson! So you did 10.9 to 10.93 without issue just by adding the kext prior to boot? What version are those kext? The latest ? Link to comment https://www.insanelymac.com/forum/topic/297487-dell-optiplex-755-users/#findComment-2015740 Share on other sites More sharing options...
ebrunson Posted April 28, 2014 Share Posted April 28, 2014 @cyberderf I did a software update to the beta(13D45a) on 10.9.2 (I usually maintain an identical partition as backup -- not a this moment though - now one partition is 10.9.3 and the other is 10.9.2). Whenever I have to "overwrite" a kext with a past version kext I save it in Extra folder and in my dropbox, so the top set were originally saved from 10.8 (I think) and NV set were newly copied from 10.9.2 and now all are stored in my dropbox for future reference. @cyberderf The process was a follows: Did the software update to beta and got KP. Added the same kexts (the first set) that I needed to install atop 10.9.2 by booting into the 10.9.2 partition and using kextwizard on the 10.9.3 partition. This time it got further along and just before you would expect the UI to come up (i.e. logon prompt) the screen goes black. Reviewed "namcom" in this thread: http://www.insanelymac.com/forum/topic/296629-os-x-mavericks-1093-to-dev/ Thanks @nawcom booted into the 10.9.2 partition and used kextwizard to install the NV set of kexts onto the 10.9.3 partition. Finally able to boot / log into 10.9.3. I have not come across any problems during my typical use of this 10.9.3 beta. Link to comment https://www.insanelymac.com/forum/topic/297487-dell-optiplex-755-users/#findComment-2015857 Share on other sites More sharing options...
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