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Sometimes need to boot -f (ignore caches) or no video


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I installed Mavericks a few weeks ago on my Dell Latitude D830 using the boot pack and postinstall from osxlatitude.com. All hardware works great, the machine is very stable. Only one issue: sometimes when I boot/reboot the laptop, after the Apple logo/boot splash screen I get no image on-screen. If I reboot again, this time with the -f ignore caches flag, I am able to get into OS X with video fine.


Anyone know what this could be? Been a while since I've worked on a hackintosh so a little rusty.



Dell Latitude D830

Core 2 Duo T7500 @ 2.2GHz


NVIDIA Quadro NVS 140M (OS X reports NVIDIA GeForce 8400M GS 256MB)

Dell Wireless 1505 Draft-N (Broadcom)

Broadcom NetXtreme 5755M Gigabit Ethernet



Latest Chameleon as of 3 weeks ago (forget which release)

OS X 10.9

OSXLatitude EDP


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It sounds like maybe you have a kext problem that is corrupting your cache.


Open Terminal, execute the following 2 commands and read the output for errors.  If a kext is causing a problem, remove it and use a kext installer utility to reinstall the kext.



sudo kextcache -system-caches
sudo kextcache -update-volume /
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