What to Do If Windows 10 Won’t Boot – Fix

Most of the time, Windows 10 fails actually to boot as there is a problem along with the master boot record. In these cases, the master boot record needs to repair to restart and run. Whenever you guys want to do Windows 10 startup repair, then you can use the Windows 10 recovery environment. That includes an automatic option in order to accomplish this task. If this does not work, you can do it manually with the Diskpart command prompt and many other effective solutions. In this article, you’ll find step-by-step methods to guide you to fix computer UEFI boot errors in Windows 10/8/7. Let’s now discuss What to Do If Windows 10 Won’t Boot – Fix.

Why My Windows 10 Won’t Boot?

The Windows 10 boot process is really simple. Whenever your computer starts, the BIOS or UEFI Firmware is loaded actually, which performs a small set of checks on your hardware that we called the Power On Self Test (POST). The BIOS then scans the hard disk master boot record, which loads an important file into the main memory called WINLOAD.EXE. This basically kicks off the start-up process through loading the NTOSKRNL.EXE (NT Kernel, the heart of Windows) and HAL (Hardware Abstraction Layer.). The Windows 10 then performs tasks like initializing your hardware such as your mouse and keyboard and reading the Windows Registry and user profile as well.

If you guys see a black screen along with gray text that reads “Windows Boot Manager” along with an error along the lines of “Status: 0xc0000605 Info. A component of the operating system has expired as well,” then it means something went wrong along with WINLOAD.EXE actually.

windows 10 won't boot

This is obviously not a good thing. however, it is not the end of the world either.

Perform a Startup Repair

The first thing that you can try is booting into the recovery environment, if possible, and then performing a startup repair as well. In order o access the recovery environment, then turn your computer on and off three times. However, booting, you have to make sure you turn off the computer when you see the Windows logo. After the third time, Windows 10 will then boot into diagnostics mode. Tap on Advanced options whenever the recovery screen appears.


  • Tap on Troubleshoot.
  • Press Advanced options.
  • Then, tap on Startup Repair.

Fix Windows 10 Winload.exe via the Command Prompt

If you guys are unable to perform a startup repair, then your next option is to try using your Windows 10 installation media in order to fix the boot error.

If you do not have installation media, then you will need to go to a working computer and then Create a Windows 10 USB Bootable Flash Drive. You can also head to a working Windows 10 PC and then create a recovery drive as well. When you use a USB drive, then make sure to set up your BIOS in order to boot from the USB drive.

After you boot into setup, then select the Repair Computer option > Troubleshoot > Advanced Options > Command Prompt. If you are using a recovery drive, then you have to tap on Troubleshoot > Advanced Options > Command Prompt.

When you have the command prompt up on the screen, then you will need to issue a set of commands. In order to find and resolve issues that might be avoiding your computer from booting as well.

  • You have to type BOOTREC /FIXMBR and hit <Enter>.
  • This command will attempt in order to fix any corruption issues along with the master boot record.
  • If all goes well, then you should see The operation completed successfully.

windows 10 won't boot

  • Next, type bootrec /FIXBOOT then tap on<Enter>.


This command will then attempt in order to write a new boot sector on the hard disk if Windows detects damage. Mostly, this happens in cases where an older version of Windows was installed, or a non-compatible operating system for example Linux was installed.

If you guys are seeing an error like Boot Manager is Missing, then the bootrec  or RebuildBcd command might be able to fix it actually. This operation can also restore boot entries for older versions of Windows if you guys have a dual boot configuration actually.

If bootrec  or RebuildBcd does not work, then Microsoft recommends you to back up your BCD (Boot Configuration Data) save. Then run the bootrec /RebuildBcd command again as well. Here is how you can do it.

You have to type each and every command then tap <Enter>:

  • bcdedit /export C:\BCD_Backup
  • c:
  • cd boot
  • attrib bcd -s -h -r
  • ren c:\boot\bcd bcd.old
  • bootrec /RebuildBcd

Another option if you are dual booting along with older versions of Windows like Windows 7 is the BOOTREC /ScanOs command. The ScanOS command can find and restore the entries for older versions of Windows as well.

Change BIOS Settings

You have to choose the boot mode according to the type of disk on your system actually. If you guys want to start an MBR system disk, then you can choose Legacy support rather than UEFI in boot mode. In order to start a GPT system disk, then you need to choose UEFI.

How can you access BIOS: Common keys in order to enter the BIOS are F1, F2, F10, Delete, Esc, as well as key combinations such as Ctrl + Alt + Esc or Ctrl + Alt + Delete. There are more common on older machines as well. You can enter the BIOS interface through holding down any of these keys when booting up on your computer.

Add Disk Driver to Repair Windows 10 Boot

Whenever you replace the RAID along with a different machine or replace the original SATA or IDE disk with a newer NVMe SSD. Then you may encounter problems starting up. You can also use the following Windows command line in order to add the driver to the restored Windows image manually.

Dism /Image:X: /Add-Driver /Driver:”y:\z.inf”

Note: Well X: is actually the disk character of the restored Windows boot partition, and in double-quotes is the location of the driver. Inf file.

What if None of These Options Work for you?

However, your next best option is to try salvaging your data and then reinstalling Windows 10. And also your applications as well. If you guys have your Windows 10 install media, then you can boot from it, then perform a custom install as well. This will then create an archive of the old installation called Windows.old actually. You can then recover your personal files from this folder as well. Make sure that you perform a custom install that migrates your Windows.old data. Otherwise, all of your data will be erased or deleted as well.


You are good to go. If you have any queries and issues related to this article then let us know in the comments section below.

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