Here are some ways to fix a Windows black screen before login: 1. Optimize your startup applications. If your PC or laptop displays a black screen on startup, try disabling some startup apps to optimize your boot. AVG TuneUp lets you turn off all non-essential applications and put them to sleep automatically. Its built-in Sleep Mode feature Click on Start-up Repair. Follow the on-screen instructions to continue. Repair Boot Record. The MBR (Master Boot Record) stores information about the location of your OS on your disk drive. A damaged boot record results in Windows not starting up properly and hence, a black screen. The MBR is created when you install Windows for the first time. By Stella | Follow | Last Updated February 8, 2023 English If your computer suddenly runs into a black screen or your desktop screen goes black, do you know why it happens and how to solve it? If you have no idea, this post will be helpful. MiniTool Software introduces the main causes of this issue and shows some effective solutions here. Repeat Steps 1 to 4 in Solution 3.1. Select the Command Prompt option. Now, type the command below and hit Enter: Bootrec /RebuildBcd. Sometimes, the Windows 10 black screen without a cursor can be caused by a corrupt boot file. The solution is to repair the boot files using a media installation tool. 3.3. Fix 3: Windows repair. We can use the startup repair to fix problems that keep Windows from loading which will hopefully fix the black/blank screen on startup that you are getting. To do this we need to do the same as the above. Press the power button then after a few seconds press the power button again. Restart your PC and press the "F8" key (this will trigger the Windows troubleshooting menu) Select "See advanced repair options". In the "Choose an option" menu, click "Troubleshoot". Under the "Troubleshoot" menu, select the "Advanced options" option. Select "Command Prompt" in the "Advanced options". In the Bfic.

how do i fix a black screen on windows startup