By Ailsa / Last Updated February 26, 2020

The error: black screen on boot

Sometimes, you may encounter the black screen on boot error when you try to restart a Microsoft x86-based computer like Windows XP, 7, 8, 8.1,10. Typically, the computer stop responding with an empty, black screen immediately after the power-on self test (POST) is completed and before the Windows logo typically appears on the screen. Here, you have to know more about power-on self test (POST). What is POST? It’s the diagnostic testing sequence that a computer’s BIOS runs to determine if the computer devices like disk drives, other hardware and random access memory are working properly. If the hardware is not detected or is found not to be operating properly, you may get the black screen error.

The causes to this problem

In general, if you cannot boot your computer with a black screen, the cause could be the following reasons:

  • You have a CD, DVD or a floopy disk in your CD, DVD, or floopy drive when you start the computer.

  • Your computer may be infected by virus.

  • The corrupted Master Boot Record (MBR), partition tables, boot sector or NTLDR file.

Now, did you have a solution to fix black screen on boot in Windows XP/7/8/8.1/10? If you still have not figure it out, don’t worry, here, we will describe you the best three ways to repair black screen on startup.

How to fix black screen boot error in Windows 10/8.1/8/7/XP?

Method 1: Disconnect all the external media

Please disconnect all peripheral devices, remove all USB devices and media cards. After that, restart your computer to see if the Windows 10/8/7/XP black screen boot error is solved.

Method 2: Run anti-virus software

Run the latest version of anti-virus software to check if your computer has virus. If there is, remove the virus.

Method 3: Fix corrupted MBR, partition tables, boot sector, or NTLDR file

Boot your computer into safe mode, then create a Windows 10/8/7/XP bootable disk to start your computer. If you can boot up your PC without errors, the cause could be the corrupted MBR, partition tables, the boot sector, or NTLDR file. Please backup your critical data immediately before fixing it. Considering these causes, you have three ways to fix: Startup Repair, command prompt, and AOMEI Partition Assistant.

  • Startup Repair

Startup Repair is an easy diagnostic and repair tool to use when Windows fails to start. If you have a Windows XP/7/8/8.1/10 installation disc, follow the steps to fix black screen on boot:

1. Insert the Windows installation disc, and boot your computer from the disc.

2. Choose the corresponding option for language, format and input method, click Next to continue.

3. Click Repair your computer instead of Install now.

4. Then click Next to go System Recovery Options.

5. Select the Windows XP/7/8/10 that you want to perform, click Next.

6. Choose Startup Repair to repair black screen on boot issue.

If this way cannot help you out, you could try command prompt or AOMEI Partition Assistant.

  • Command Prompt

The detailed steps are quite similar with the startup repair except for the sixth step:

6. Choose Command Prompt option after selecting the Windows you want to perform.

7. Then input these commands to fix black screen on boot in Windows 10/8/7/XP:

bootrec /scanos

bootrec /fixmbr

bootrec /fixboot

bootrec /rebuildbcd

Bootrec Command

  • AOMEI Partition Assistant

If your PC has a corrupted Master Boot Record (MBR), you could try AOMEI Partition Assistant Standard to fix MBR. Before that, you may want to free download AOMEI Partition Assistant Standard, then create bootable media with a normal computer, then rebuild MBR. Assuming you have created a bootable USB drive, then the steps are:

Step 1, Boot your computer with the bootable media, then you will find the AOMEI Partition Assistant Standard is on the desktop under WinPE environment, run this freeware, select Rebuild MBR at the left panel.

Rebuild MBR

Step 2, Choose the MBR type for your Windows XP/7/8/10, and click OK.

MBR Type

Step 3, Press Apply to fix black screen on boot in Windows XP/7/8/10.


Besides, you may meet the operating system not found, NTLDR is missing and other boot issues, you can use this software to fix. Furthermore,AOMEI Partition Assistant Professional allows you manage your hard disk easily, like allocate free space, convert primary partition to logical, etc.