titeet Posted October 31, 2019 Share Posted October 31, 2019 (edited) Hi, I have problem on my Graphics 4400, its only works perfect with dual monitor, if I remove the second monitor, the laptop screen will start flickering and then reboot. so without the dual monitor it won't work. LAPTOP: #1: HP 840 G1 ELITEBOOK - Intel - 2.49 GHz Dual-Core - Intel Core i5 Intel HD Graphics 4400 1024 MB please find my clover details attached. debug_8319.zip Edited October 31, 2019 by titeet Link to comment https://www.insanelymac.com/forum/topic/340954-intelhd4400-issue-on-catalina/ Share on other sites More sharing options...
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