To check whether your cable is causing the black screen, try plugging in a different video cable, like the one from your TV, that you know works. It’s especially common if you use a laptop and an external monitor. While you’re at it, blow into the ports to dislodge any dust or other particles that may have got stuck there.Ĭonstantly unplugging and plugging in cables causes them to wear out over time - eventually, they break. Unplug and reconnect your video cablesĭisconnect and reconnect all of your video cables - HDMI, DVI, DisplayPort, and VGA.

Here’s how to check your cables and other important connections. If everything is working normally until suddenly your PC displays a blank screen, something might be wrong with your computer cables or monitor. AVG TuneUp features a built-in Sleep Mode so you can get the most out of your RAM and CPU power and have more resources available at startup. With AVG TuneUp, you can turn off all non-essential applications and put them to sleep automatically. If you get a black screen only occasionally, try disabling some startup items to optimize your boot. Check out the possible solutions below to troubleshoot the issue. If you get a black screen before the Windows login screen appears, the issue often has an easy fix. Solutions for a black screen of death - before logging in Then we’ll discuss solutions for a black screen of death that happens after logging in. 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 10 pc desktop