Sly2k5 Posted February 8, 2013 Share Posted February 8, 2013 an existing system that Working perfectly with: Iatkos L2 upgraded to 10.7.5 online. P5KPL-AM 3Ghz Core2-Duo 4G DDR2 Geforce 8400 (too old) when added an Nvidia GTX 550 Ti I boot at [PCI CONFIGURATION] and stop but worked with 10.5.6i before! is there a fix for this? on OX86 HCL it is shown to have good result with 10.7.x ----------------------------------------------------------------------------------- In case I mees up the installation, can time machine create a backup of the whole image to retreive at a later time? and boot with the DVD and restore? still new at this OSX86. Thanks. Link to comment https://www.insanelymac.com/forum/topic/286227-upgraded-video-card-blank-screen/ Share on other sites More sharing options...
Rampage Dev Posted February 15, 2013 Share Posted February 15, 2013 -v npci=0x2000 Link to comment https://www.insanelymac.com/forum/topic/286227-upgraded-video-card-blank-screen/#findComment-1889122 Share on other sites More sharing options...
WaldMeister Posted February 17, 2013 Share Posted February 17, 2013 In addition to the above, remove everything related to your old card, EFI string, edits in kexts etc. Link to comment https://www.insanelymac.com/forum/topic/286227-upgraded-video-card-blank-screen/#findComment-1889882 Share on other sites More sharing options...
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