regard Posted March 4, 2014 Share Posted March 4, 2014 I've installed Mac Os X 10.9.1 Mavericks on my Intel Haswell NUC Core i5 (D54250WYK), which has mini Display port output. I connected Nuc with 27-inch Korean monitor (Crossover 2763amg) with mini Display port - Display port cable to get 2560x1440 resolution. Installation was working fine without any issue, then i restarted my machine to load Mavericks and got login screen. After i type my user account password, os x shutd down immediately in 1-2 seconds. If i boot with "-v -x" flags (verbose, save mode), then everything goes fine, but there is poor graphics acceleration. I've also noticed if i connect my Nuc to old 17-inch LG monitor through HDMI cable (mini HDMI - HDMI), then there is no a such issue, but resolution is 1080p. Another strange thing, if i change Org.chameleon.Boot.plist file located in /Extra folder of my SSD for lower resolution (from 2560x1440 -> 2048x1152) then i have os x shuts down after login screen not every time - sometimes it occured, sometimes not. The same behaviour if i connect my Nuc with passive mini DP - DVI adapter + DVI cable (the resolution in this case is 1920x1200): sometimes shuts down after login screen occured, sometimes - not. Also, i've tried Windows 7x64 installing, and everything worked without below problem in 2560x1440. I've heard about Lapic Kernel patching for Haswell CPU's, but i haven't tried it yet. Where could be the cause of this behaviour in Max OS X? Any suggestions? Here is my suggestion: Try another mini DP - DP cable. Try MINI DP - DUAL LINK DVI adapters like: Monoprice Mini DisplayPort/Thunderbolt Plus USB To Dual-Link DVI Adaptor Kanex iAdapt C30 MDPC30 Mini DisplayPort to DVI Adapter StarTech.com mdp 2 dvi Mini DisplayPort to DVI Dual-Link Apple mini Display port to Dual Link DVI adapter Try External usb3.0 video capture card moved topic to this forum's section Link to comment Share on other sites More sharing options...
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