Are you seeing the “No Operating System Found” error on Windows 10? Learn how to fix Error 1962 on Lenovo.
Error 1962 is a common boot failure encountered by Lenovo users, particularly on ThinkCentre desktops and laptops running Windows 10. This error prevents the system from loading the operating system, often displaying the message:
“Error 1962 – No Operating System Found. Boot sequence will automatically repeat.”
For many users, this can be an alarming issue, especially if their PC was working fine before. Fortunately, there are several ways to diagnose and resolve the problem. In this guide, we’ll explore what this error means, the possible causes, and the step-by-step solutions to fix it.
For further reading, you can also check out this guide on fixing and recovering from Error 1962.
What Does Error 1962 Mean in Windows 10?
When your Lenovo computer displays Error 1962, it means that the system is unable to locate a valid operating system to boot from. This typically occurs when the BIOS fails to detect a bootable hard drive or SSD. Instead of proceeding to Windows, the system gets stuck in an automatic reboot loop, attempting to boot but failing each time.
The error often appears after a system update, an unexpected shutdown, or a hard drive failure. However, even if your PC isn’t recognizing the operating system, this doesn’t always mean the hard drive is completely lost. There are several troubleshooting steps to restore your system and regain access to your files.
What Causes PC Error 1962?
Several factors can contribute to Error 1962 on a Lenovo PC. One of the most common reasons is an incorrect boot order in the BIOS. If the system is not configured to boot from the correct drive, it will fail to locate the operating system. A corrupted boot sector can also be responsible, especially if Windows files have been damaged due to an incomplete update or a sudden power failure.
Hardware issues such as a failing or disconnected hard drive may also cause this error. If the storage drive isn’t properly recognized by the system, the computer won’t be able to access Windows. Additionally, some users encounter this issue due to BIOS misconfigurations, particularly when switching between Legacy Boot Mode and UEFI Boot Mode without properly adjusting settings.
How to Fix Error 1962 on Lenovo
Boot into Windows Recovery Environment (WinRE)
When your Lenovo PC fails to boot, forcing it into Windows Recovery Environment (WinRE) can help initiate repairs.
To do this, press and hold the power button to turn off the computer. Press it again to turn it back on, and as soon as you see the Windows logo, press and hold the power button again until the computer shuts down. Repeat this process two or three times until Windows automatically launches into WinRE.
Once inside WinRE, you will have access to multiple troubleshooting tools that can help resolve boot-related issues.
Run Startup Repair in WinRE
If your system isn’t booting, Windows’ built-in Startup Repair tool can attempt to fix the issue.
Navigate to Troubleshoot > Advanced Options > Startup Repair and let Windows scan for problems.
If the tool detects any boot-related errors, it will automatically attempt to fix them. If prompted, enter your administrator credentials and restart the computer to check if the issue is resolved.
Perform System Restore in WinRE
If the error appeared after a Windows update or software installation, restoring your system to a previous working state can resolve the issue.
In WinRE, go to Troubleshoot > Advanced Options > System Restore and select a restore point from before the error occurred.
Follow the on-screen instructions to complete the process, then restart your PC.
Modify Boot Order in BIOS
If the BIOS is not set to boot from the correct storage device, Error 1962 may persist.
Restart your PC and press F2 or Delete repeatedly to enter the BIOS settings. Locate the Boot Order or Boot Priority section and ensure that your hard drive or SSD is set as the first boot device.
If your hard drive is missing from the list, it could indicate a connectivity issue or a failing drive. After making adjustments, save the settings and restart your computer.
Repair Boot Configuration Using Command Prompt
If Windows fails to load due to a corrupted boot sector, using Command Prompt in WinRE can help restore critical boot files.
To access Command Prompt, go to Troubleshoot > Advanced Options > Command Prompt and enter the following commands one at a time:
bootrec /fixmbr
bootrec /fixboot
bootrec /scanos
bootrec /rebuildbcd
These commands repair the Master Boot Record (MBR) and rebuild the Boot Configuration Data (BCD), which are essential for Windows to start properly. Once the commands have been executed, restart your computer and check if the issue has been resolved.
Enable CSM and Adjust Boot Priority in BIOS
Another potential fix involves adjusting the Compatibility Support Module (CSM) settings in BIOS.
Restart your PC and press F12 repeatedly to enter the BIOS menu. Navigate to the Startup tab and enable CSM. Next, locate the Boot Priority setting and switch it from Legacy First to UEFI First. Save the changes by pressing F10 and selecting Yes to confirm. After the restart, check if Windows loads successfully.
Additional Resources for Fixing Error 1962 on Lenovo
For more expert troubleshooting, BIOS configurations, and recovery methods, explore these comprehensive resources:
Microsoft UEFI & Legacy BIOS Guide – Learn how to boot into UEFI or Legacy BIOS mode and configure boot settings correctly to fix Error 1962 – No Operating System Found.
Intel Server Boot Error Troubleshooting – Understand how Intel-based Lenovo systems handle boot failures and how to fix BIOS misconfigurations, missing boot devices, and startup errors.
Microsoft Windows Recovery Environment (WinRE) Technical Reference – Detailed insights into Windows Recovery Environment (WinRE), covering Startup Repair, System Restore, and Command Prompt fixes to resolve Lenovo boot errors.
Microsoft Bootrec Command Guide – Learn how to use the Bootrec.exe tool to repair MBR (Master Boot Record), rebuild BCD, and fix boot sector issues using Command Prompt.
Windows 10 Installation Media Tool – If your operating system is missing or corrupted, reinstall Windows using a bootable USB drive created with Microsoft’s tool.
Lenovo Forums – Community Solutions for Boot Errors – Browse real-world solutions shared by Lenovo users who fixed Error 1962 by adjusting BIOS settings, troubleshooting SSD issues, or restoring Windows.
Microsoft Safe Mode Boot Guide – If your Lenovo PC won’t boot properly, learn how to access Safe Mode to troubleshoot startup failures, driver conflicts, and system errors.
Final Thoughts
Error 1962 on Lenovo devices can be a frustrating issue, but it is often fixable through BIOS adjustments, recovery tools, or boot sector repairs. If none of these solutions work, you may be dealing with a hardware failure, particularly a failing hard drive. In such cases, replacing the storage device and reinstalling Windows may be necessary.
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