If the regular monitor shows an image, the root of your problem is probably a very low resolution, which the projector can’t display. In such a case, if your PC or Windows is showing a “boot error” with a projector, try hooking it up to a regular monitor. For example, a gaming PC may not operate well with a projector that isn’t capable of displaying every resolution out there. The issue could also be a mismatch of monitor and resolution. Or move from your monitor to TV (or vice versa). Try connecting to a different display if you have one. Your display could be defective or set to the wrong source, which can also lead to a black screen.
If that produces an image, it’s time to shop for a new cable for your computer. To check whether your cable is somehow affected, try a different video cable (e.g., from your TV) that you know works. Constantly plugging in connectors wears them out over time. Especially if you’re using a laptop and an external monitor. And yes, the good old “blow into the ports” also occasionally works as dust or crud can get stuck in there.Ĭables break. Try disconnecting and then reconnecting all of your video cables - HDMI, DVI, DisplayPort, and VGA. Unplug and then reconnect your video cables Here’s how to check all your important connections. If everything was working normally until suddenly your PC won’t show a screen, chances are that there’s something wrong with the cables or your monitor.
AVG TuneUp’s built-in Sleep Mode preserves RAM and CPU power so you have more resources available.
One of the best tools for this is AVG TuneUp, which can turn off all non-essential applications and put them to sleep. If you’re only occasionally getting a black screen, you might want to look into disabling some startup items and optimizing your boot. If you can’t even reach the Windows login screen and just get a black screen, things are either super easy to solve or perhaps very tough, depending on the specific problem. Solutions for a black screen - before logging in! Or, jump down to solutions for a black screen after logging in. We’ll dive into solutions for a black screen before logging in first. If it’s after, there’s something wrong with either Windows or an installed application. If it’s before, chances are that there are some issues with a device driver or even a hardware issue. Note that the solutions look very different depending on whether the black screen happens before you see the login screen or after. 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.
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