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Hi everybody. I just updated my Latitude E7440 I7 Full HD from 10.14.4 to 10.14.5. I use this forum bootpack and with BIOS option "Legacy Boot" enabled, MAC OS MOJAVE 10.14.4 worked fine with built in LCD screen and also with a Phillip 1080p monitor conected by HDMI. After upgrading to 10.14.5, with Legacy boot enabled in BIOS, laptop freezes (black screen at the end of boot) when HDMI screen is connected (built in screen works fine, but with some troubles with, for instance, Ableton Live SUite, which makes graphic noise in some windows). If I change BIOS legacy boot from enabled to disabled, HDMI monitor works fine (closing the laptop), but built in screen does not. May be should I upgrade some kext? Many thanks for your attention. Entropic.