Error Loading Operating System in Windows 10 - Solved

Posted by @Ada

August 2, 2018

This article will introduce you how to solve “Error loading operating system” in Windows 10 Lenovo or Dell laptop. Go ahead and find solutions here.

Overview of Error loading operating system in Windows 10

"I have a problem that I have found in other posts, Error loading operating system in Windows 10! The system updated and restarted overnight and now I am stuck with this. I forced shutdown and restart the computer, and it is still on the error screen. I can access the hard drive files via CMD from the recovery menu! Can anyone help?"

Error Loading Operating System

Sometimes, when you try to boot your Windows PC, you may come across the error message: “Error loading operating system” no matter your computer is Lenovo or Dell. The start-up issue generally occurs after the fresh installation of the Windows operating system, sudden power failure, system crash, or system restart, which makes the PC to throw the error message.

What Situation may lead to this error?

1. The system BIOS does not support the hard drive.

2. The hard drive has become physically corrupt.

3. The hard drive’s system partition is damaged due to sudden power cuts, virus infection, or disk write error.

4. Multiple hard drives have been connected to your computer due to which the primary hard drive containing the operating system & system applications is now not being detected.

5. The operating system’s files and folders are damaged.

How to fix Error loading operating system in Windows 10?

Method 1: Perform Startup repair

Step 1. Insert the Windows 10 installation DVD in the DVD ROM and restart your computer.

Step 2. After you boot your computer using Windows DVD or System Repair Disc, press any key to continue.

Step 3. Select the correct time and other preference.

Step 4. Click Repair your computer in the lower left corner.

Step 5. Navigate to Troubleshoot ->Advanced options ->Startup Repair.

Startup Repair

Method 2: Scan and fix via Windows CHKDSK tool

CHKDSK is a Windows built-in tool to gauge the general health of your hard disk. Windows CHKDSK can check hard drive for errors and fixes bad sectors and errors if any.

Step 1. After booting the computer from Windows installation disk, skip the first-screen language selection and choose Repair your computer.

Step 2. Select Troubleshoot and then Command Prompt.

Step 3. In command prompt type chkdsk c: /r and hit Enter.

Method 3: Restore the MBR information of hard disk

Step 1. Restart your computer and boot from the Windows Setup CD.

Step 2. While you are at the Windows Install screen, click Repair your computer.

Step 3. Select Troubleshoot and then open Command Prompt.

Step 4. When the Command Prompt loads, type the following four commands to fix MBR in Windows 10 and rebuild BCD.

  • bootrec /FixMbr

  • bootrec /FixBoot

  • bootrec /ScanOs

  • bootrec /RebuildBcd

Step 5. Type Exit and press Enter. Remove the CD/DVD and restart your computer.

Rebuild MBR

After fixing Error loading operating system in Windows 10

As you know, system issues happen from time to time. And some system issues are so serious that you cannot boot your computer. To prevent this error or similar error from happening again, you’d better make a schedule system backup.

AOMEI Backupper is an overall backup and restore tool which can supports system backup, partition backup, disk backup, and file backup. It is free and easy to use. You can make a schedule system backup to keep your system drive up to date. This following picture is its main interface, it is clean and tidy.

System Backup

With the system image backup at hand, you will not worry Error loading operating system happening again. And you can easily restore your system and programs to the recent good state if any bad happens to your computer. If you cannot boot your computer, you can make a bootable media on a working machine and then boot from the bootable device to restore the system.