If your otherwise fully-functioning Windows device suddenly displays a blank screen, check your computer cables connected to your monitor. Its built-in Sleep Mode feature helps you get the most out of your RAM and CPU power so you have the resources you need at startup. AVG TuneUp lets you turn off all non-essential applications and put them to sleep automatically. If your PC or laptop displays a black screen on startup, try disabling some startup apps to optimize your boot. Here are some ways to fix a Windows black screen before login: 1. You’ll just need to target the actual cause of your particular black screen issue. Solutions for a black screen - before logging inĪ black screen before your Windows login screen appears is usually easy to fix. If these solutions don’t work, don’t worry: 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. Or, hold the power button for 10-15 seconds to reboot your device completely. Similar to Windows 10, you can use a keyboard shortcut - Windows logo key + P or Ctrl + Alt + Del - to wake up your Windows 11 screen. If your computer won’t reboot and displays a black screen again, see the section below on fixing a black screen before login. Hold down the power button for 10-15 seconds to do a hard reset on your laptop or PC and reboot your computer. If the issue causing your Windows 10 black screen is a simple one, a keyboard shortcut can help solve it. Use the keyboard shortcut Windows key + P or Ctrl + Alt + Del to reset the screen’s graphics system. Here are some quick ways to fix a black screen on Windows 10: The black screen of death appearing on our own Windows 10 machine. But in serious cases, you may need to perform a system restore or reinstall the operating system (OS). Sometimes you can resolve a black screen on Windows 10 or 11 by rebooting your device. If the issue continues or you need help with any of these instructions, contact Apple Support.You can get a blank or black computer screen on startup, while updating software, or in the middle of device usage. If you're using an external display instead of a built-in display, make sure that the issue isn't with your external display. If you're using a Mac with Apple silicon or the Apple T2 Security Chip, you might need to revive or restore the firmware of your Mac. In that case, follow the steps for if your Mac doesn't turn on. If you can't start up from macOS Recovery because the screen remains blank: If you can't start up from macOS Recovery If you don't see a Wi-Fi menu, look for it in the upper-right corner of the screen. You might be asked to select a network from the Wi-Fi menu, or attach a network cable. Immediately after releasing the power button, press and hold Command (⌘)-R, and keep holding the keys until you see an Apple logo or spinning globe. Press and release the power button to turn on your Mac. If your Mac restarts to a blank screen again, reinstall macOS. When you see the Utilities window, use Disk Utility to repair your startup disk, then restart your Mac. When you see Options, release the power button.Ĭlick Options, then click the Continue button that appears below it. As you continue to hold the power button, your Mac turns on and loads startup options.
Press and hold the power button for 10 seconds again to make sure that your Mac is turned off. If you're not sure whether you have a Mac with Apple silicon, you can try both of these sets of steps.
If the screen remains blank, try to start up from macOS Recovery. Start up from macOS Recovery, if possible If the screen remains blank, continue to the next section. Press and release the power button to turn your Mac on again. On laptop computers that have Touch ID, press and hold Touch ID.) Press and hold the power button on your Mac for up to 10 seconds, until your Mac turns off. If your Mac seems to be turning on but is stuck on a blank screen, follow these steps. A blank screen (black, gray, or blue) should appear once or more as your Mac starts up.