Don’t assume your computer is permanently failing - if you think it’s a hard drive issue, check out our hard drive failure guide.įirst, we’ll outline solutions for a black scree n before logging in. If the blank screen happens after login, there’s probably something wrong with Windows, like a buggy Windows 10 update, or a problem with an installed application. If you see the full black screen before login, it’s probably caused by a malfunctioning device driver or hardware issue. Loose cables connected to your PC or laptopīelow, we’ll guide you through the necessary steps to diagnose and fix the issues causing the black screen of death, both before login and after. Here are some common causes of a Windows 10 black screen:Ĭonnection issues between your PC and monitor While usually fixable, finding the root cause of the black screen isn’t always easy. The black screen of death is caused by a critical error in your computer’s operating system that can happen because of a faulty device driver, a hardware defect, or a Windows software glitch.

Windows boot manager not working