Many factors need to be considered if you experience a black screen, including hardware or software issues. This article explains How to fix black screen checking connection problems on Windows 10.
Make sure your connection is working
Problems with the device and display are likely the cause of the problem before signing into Windows 10.
It is essential to double-check the physical connection, ensuring both ends are connected to the correct ports on the in and out ends of the video signal cable. You can also wake up your display by connecting and disconnecting the video cable and shaking the mouse.
Check to see if the monitor is receiving power once again, even if it seems obvious. (Details are available on the manufacturer’s website.)
To wake up the monitor, try using another output on the video card, shaking the mouse, or pressing any key on the keyboard. Although these are rare, there are times when a driver update may cause the video signal to change ports (DisplayPort, HDMI, DVI, Thunderbolt, VGA).
You can switch to the integrated video card for computers that have both a discrete and integrated video card to see if the problem is with the discrete card. You must re-enable your discrete graphics card from the motherboard settings if you recently updated your computer’s UEFI (Unified Extensible Firmware Interface) or BIOS (essential input and output system).
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Now You can increase the brightness in the device’s control panel to fix the black screen when connecting to an external monitor. In addition, make sure your monitor is using the correct input. You may need to consult the manufacturer’s support website for specific details if you don’t know how to access your monitor settings.)
When the problem occurs on a laptop, you can increase the display brightness by using the keyboard key combination. If you apply a function key such as F8, or F10, you will typically need to press the Function key (Fn) and the function key.
Suppose you want to determine whether you have a broken display, graphics card, or damaged cable. In that case, you can connect the monitor to a different computer or use a different video signal cable.
A black screen will appear when Windows 10 loses its connection with the display. Refreshing the connection with the monitor is possible by pressing Windows + Ctrl + Shift + B together.
Using the volume keys together three times rapidly will wake up the screen on specific devices (such as the Surface Pro 7).
Upon completing the wake action, a beep will be sounded and activity displayed on the screen, which describes how Windows 10 has responded to the command and is attempting to establish a new connection.
You can also open the “Project” flyout menu by pressing the Windows key + P keyboard shortcut, as long as Windows 10 is responsive. You can then press the P key again, and press Enter to change the displays to see if the black screen goes away. You must repeat these steps four times to change all the displays.
Hold the power button for about 10 seconds if the screen is still black to shut down the device. Once the device has been restarted, hold the power button for about 10 seconds. Using this action may cause the loss of unsaved information if you have documents open.
Disconnect all devices that are not essential
During startup, a black screen or a black screen with spinning dots may be caused by peripherals connected to the device. When spinning dots appear during startup, you might have to wait a few moments as an update is being installed, but it could indicate a hardware compatibility issue if it continues for a long time.
You can also disconnect any USB peripheral devices connected to your computers, such as printers, cameras, portable drives, Bluetooth devices, docking stations, and the like, if you experience similar issues.
If the problem returns to normal upon restarting the device, one of the peripherals is most likely the cause. Connect each component until you find the one responsible for the conflict by reconnecting each one at a time.
When you know which peripheral caused the issue, disconnect it, restart your computer, search the web for a solution, or contact the manufacturer for more information.