How to Fix a Dell Computer that Says Error Loading Operating System?

I recently bought a second-hand Dell computer and used it for about one week, then I encountered a boot error. The message shows 'Error loading operating system', and I don't know what it means. Can someone tell me what to do to fix this? Thanks for your help!

Best Answered by

Tracy King· Answered on Oct 23, 2023

You can fix it by performing Boot Repair in EaseUS Partition Master.

A Dell Inspiron computer that presents the warning "Error loading operating system" usually suggests that the operating system or the OS files cannot be found on the computer. Many factors, such as problems with the hard drive, the boot loader, or the BIOS settings, can be the source of this error message.

I assume that you have already checked those most common causes like inappropriate BIOS settings, incorrect boot orders, and bad sectors, but still can't figure out why and how to fix your Dell computer cannot boot up.

Fortunately, using professional software like EaseUS Partition Master Professional can help you deal with the problem. Its feature, "Boot Repair", has the ability to resolve a variety of boot issues. Here are steps on how you operate.

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Step 1. Connect a USB drive to another valid computer. Download and run EaseUS Partition Master.

Step 2. Navigate to "Bootable Media" > "Create bootable media" and choose your USB drive. Then, click "Create" to make it bootable.

Step 3. Connect the USB drive to your problematic computer. Hold "F2/Del" when booting it up to access the BIOS.

Step 4. Set the bootable USB drive as the boot priority and hit "F10" to exit.

Step 5. Relaunch the computer and run EaseUS Partition Master.

Step 6. Select "Toolkit". Choose the faulty system in "Boot Repair" and click "Repair".

Step 7. Click "OK" when the process is complete. Then, change the boot order to make your computer boot from the original drive. Then, restart your computer and check whether the problem is fixed.

You can read this article to learn more details about this boot error.

Related Article: Fix Error Loading Operating System in 6 Easy Ways

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