AOMEI Partition Assistant is a reliable Windows 10 boot repair tool. You can use it when Windows 10 fails to boot on your local computer or another PC.
Windows 10 is a widely popular operating system in today's computer world. However, it is not immune to problems, and boot failure is one of them. When this happens, you might encounter a black, white, or blue screen of death, sometimes accompanied by an error code or specific word messages. Here are common situations of Windows 10 boot failure:
When Windows 10 fails to boot, you might see one or more of the following common error messages:
● Boot Device Not Found: This error occurs when the hard drive isn’t detected or the operating system is missing. To resolve this, ensure the boot disk is properly connected to your computer. If the problem persists, reinstall Windows.
● Error Loading Operating System: This message indicates problems with the system files or the boot partition. You can fix it by repairing the system files or restoring the boot partition using recovery tools.
● Windows Couldn’t Load Correctly: This error occurs when something prevents Windows from loading. To fix it, use System Restore to revert the system to a previous working state. While this action won’t delete personal data, it may remove recently installed applications.
● Missing Operating System/Operating System Not Found: This error means the computer cannot locate an installed operating system. To address this, ensure the hard drive is properly connected, or reinstall Windows.
● Reboot and Select Proper Boot Device: This error appears when the system cannot find the correct boot disk. To fix it, verify that the boot sequence is correctly set in the BIOS or insert a bootable media device.
● Your PC Ran into a Problem and Needs to Restart (BSOD): This blue screen of death (BSOD) typically points to software or hardware issues. Restart your PC to see if the issue resolves itself. If it persists, troubleshoot hardware or driver problems.
● Windows Encountered a Problem (BSOD): This BSOD error occurs when a critical issue requires the system to restart. Let the system restart and note the error code. Use this code to identify and troubleshoot the underlying issue.
● Invalid Partition Table: This error indicates a corrupt or invalid partition layout on your hard drive. To fix this, rebuild or repair the partition table using Windows recovery tools.
● Windows Failed to Start: This error suggests that a recent hardware or software change caused the problem. You can resolve it by using the Windows installation disc to repair the system or undo the changes that were made.
● BOOTMGR is Missing: This error occurs when the Boot Manager, which helps start Windows, is missing or corrupt. To fix it, press Ctrl + Alt + Del to restart your computer. If the error persists, use a recovery disc to restore BOOTMGR.
Windows 10 may fail to boot due to various software and hardware issues. Corrupted or missing system files are a common cause; these can often be repaired using the System File Checker (SFC) tool or by reinstalling the OS. Hardware problems like faulty hard drives or RAM require diagnostics or replacement. Outdated or incompatible drivers can interfere with the boot process but can be fixed by updating or rolling back drivers in Safe Mode.
Failed or incomplete Windows updates can also cause boot errors. Uninstalling the update or using System Restore in recovery mode usually resolves this. Corrupted boot records, such as the Master Boot Record (MBR) or Boot Configuration Data (BCD), can prevent booting and need repair using commands like bootrec /fixmbr or bootrec /rebuildbcd. Malware can corrupt files or boot records, and scanning with antivirus tools in Safe Mode is essential for removal.
Physical issues, such as loose boot disk connections, can lead to boot failure and should be checked. Incorrect BIOS boot sequences can also prevent booting and need adjustment. Damaged boot partitions or disks may require repair or replacement, and invalid partition tables can be rebuilt using recovery tools. Lastly, software conflicts or damaged boot sectors may need resolution by uninstalling problematic programs or rebuilding the MBR. If necessary, reinstall Windows as a last resort, keeping in mind the risk of data loss.
Boot repair can be complicated, especially for beginners, and incorrect steps may cause more serious problems. That's why it is recommended to use a reliable boot repair tool for Windows 10, like AOMEI Partition Assistant. It helps fix issues by repairing damaged or missing BCD files. It's also useful for errors like Boot Configuration Data file is missing or Boot Configuration Data file is corrupted, as well as boot issues after a system update or upgrade.
The Best Windows Disk Partition Manager and PC Optimizer
Step 1. Install and launch AOMEI Partition Assistant. In the Main Tab, please click the "Recover" tab and select "Boot Repair".
Step 2. The Boot Repair tool will pop up. Please click "Next" to start the system’s boot entries scan process.
Step 3. After the process is completed, it will display the scan result: system paths, system versions, and boot status. And, all repairable boot entries will be available to select.
Advanced Settings(Select a location to store the repaired boot entry):
1. Repair to the current disk: The system will boot from the current disk and ensure the boot files are complete and functioning properly. (By default)
2. Repair to another disk: This operation will repair the boot entry or create a new system boot entry to ensure the system can boot from the disk you select.
You can either repair to the current disk or repair to another disk. Repair to the current disk is recommended for common users.
Step 4. Select one/multiple repairable boot entries you want to repair and click the "Repair" button to start the boot repair.
Step 5. Wait for the repair process to finish. Once it is finished, you can check the repair result. If it succeeds, you will get a "Repair Successfully" result.
Step 1. Install and launch AOMEI Partition Assistant on a working PC, click "Recovr"-"Boot Repair" and then click the "create a bootable disk" option to create a WinPE "Boot Repair" disk.
Step 2. Boot the PC that cannot boot into WinPE. It will automatically load the Boot Repair tool and start the boot entries scan process. All boot entries will be displayed.
Step 3. Select the repairable boot entries you want to repair and click the "Repair" button to start the repair.
Step 4. Once the repair is repaired successfully, you can remove the bootable disk and boot the PC from the original system drive.
When the system fails to boot, you can use AOMEI Partition Assistant, a reliable Windows 10 boot repair tool. This software is also a powerful disk and partition manager, allowing you to recover lost data, migrate the OS to improve system performance, clone disks for upgrades, extend drive space, and more. It works well on Windows 11, 10, 8.1, 8, and 7. For Windows Server users, there is the AOMEI Partition Assistant Server edition.