Seeing a black screen before login? Or after login? Or how about a black screen with only a cursor? The possible causes of a black screen could be:Ī Windows update gone wrong (recent updates as well as the Windows 10 upgrade have caused issues).Ĭonnection issues between your PC and monitor.Ī problematic startup application or driver that runs automatically.īelow, we’ll go through the necessary steps to diagnose and fix the issues causing that black screen problem.