how to display a blank screen as a screen saver mac

(If documents are open, you might lose unsaved content using this action.)Ĭonnected peripherals may be why the black screen or black screen with the spinning dots during startup. Then press the power button again to restart. If the black screen still appears, press and hold the power button for about 10 seconds to shut down the device. (You will need to repeat the steps four times to allow passing through all the possible modes.) Then hit the P key again and the Enter key to cycle through the different display modes to see whether the black screen disappears.

When you perform the wake action, you will hear a beep and activity on the screen indicating that Windows 10 can respond to the command and is trying to establish a new connection.Īlternatively, you can use the 'Windows key + P' keyboard shortcut to open the 'Project' flyout menu. On specific devices, you can wake up the screen by pressing the volume up and volume down buttons at the same time three times (quickly). The 'Windows key + Ctrl + Shift + B' keyboard shortcut can restart the video driver and refresh the connection with the monitor.

You can also try connecting the monitor to a different computer or using a different video cable to determine whether you are dealing with a broken display, graphics card, or damaged cable.Ī black screen could also happen because Windows 10 will lose its connection with the display. Typically, you will need to press the Function (Fn) key and one of the functions keys like F8 or F10. If the problem occurs on a laptop, use the function key on the keyboard to increase the display brightness. (You may need to check the manufacturer support website for specific details.) It's also a good idea to check the monitor is using the correct input. When you connect to an external monitor, open the control panel on the display to increase the brightness to resolve the black screen problem.

In the case that you recently updated the UEFI (Unified Extensible Firmware Interface) or BIOS (Basic Input/Output System), this can sometimes disable the discrete graphics card, which you can only enable again from the motherboard firmware. If the device has both a discrete and integrated graphics card, you can try switching to the integrated video card to determine whether the discrete card is the problem.

How to display a blank screen as a screen saver mac