liujianwei Posted April 3, 2017 Share Posted April 3, 2017 my radeon hd 6670 has random black log in screen and the cursor random disappear in log in screen problem in 10.12.3 reinstall 10.12.3 and 10.12.4 this problem disappear. Link to comment https://www.insanelymac.com/forum/topic/322463-random-black-log-in-screen-and-the-cursor-random-disappear-in-log-in-screen-problem-in-10123/ Share on other sites More sharing options...
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