mclovin5 Posted February 23, 2019 Share Posted February 23, 2019 Hi! Laptop: Surface Book 2 - 13 inch. CPU: i7-8650U GPU: Intel UHD 620 Display res: 3000x2000 The iGpu only works on an external monitor plugged in to the usb-c port. The internal monitor has the backlight on, but is otherwise black. The bios does not have an option to change DVMT. I've tried doing an EDID patch into config.plust by grabbing the EDID in Windows. Unfortunately it did not help. I've attached a series of debug files. Does anyone have suggestions on what I can try to get the internal monitor to work? Thanks! debug_23751.zip Link to comment https://www.insanelymac.com/forum/topic/337731-surface-book-2-internal-monitor-black/ Share on other sites More sharing options...
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