What do you do when your laptop says operating system not found?

What do I do if my operating system wasn’t found?

An error you see when trying to boot an OS may also look like this: An operating system wasn’t found. Try disconnecting any drives that don’t contain an operating system. Press Ctrl+Alt+Del to restart.

Why does my laptop say missing operating system?

This error message may appear for one or more of the following reasons: The notebook BIOS does not detect the hard drive. The hard drive is physically damaged. The Windows Master Boot Record (MBR) located on the hard drive is corrupted.

How do I install operating system?

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  1. Find the system specs.
  2. Download the operating system or buy installation discs.
  3. Back up your current operating system.
  4. Determine the installation order.
  5. Boot from the install disc or run the installer.
  6. Follow the on-screen instructions.

How do I fix Windows 10 operating system not found?

Method 1. Fix MBR/DBR/BCD

  1. Boot up the PC that is having an Operating system not found error and then insert the DVD/USB.
  2. Then press any key to boot from the external drive.
  3. When Windows Setup shows up, set keyboard, language, and other required settings, and press Next.
  4. Then select Repair your PC.
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How do I restore my operating system?

The System Restore tool

  1. Click Start. …
  2. In the System Restore dialog box, click Choose a different restore point, and then click Next.
  3. In the list of restore points, click a restore point that was created before you began to experience the issue, and then click Next.
  4. Click Finish.

How do I restore my Windows operating system?

In the Control Panel search box, type recovery. Select Recovery > Open System Restore. In the Restore system files and setting box, select Next. Select the restore point that you want to use in the list of results, and then select Scan for affected programs.

What causes operating system not found?

Causes of the ‘Operating System Not Found’ Error

BIOS has been misconfigured. Boot records are damaged. The hard drive is damaged or unreachable.

How do I find the operating system on my computer?

Find operating system info in Windows 11

  1. Select Start > Settings > System > About. Open About settings.
  2. Under Device specifications > System type, see if you’re running a 32-bit or 64-bit version of Windows.
  3. Under Windows specifications, check which edition and version of Windows your device is running.

How do I change the operating system on my laptop?

How do I change the operating system on my laptop?

  1. In Windows, choose Start > Control Panel. …
  2. Open the Startup Disk control panel.
  3. Select the startup disk with the operating system you want to use by default.
  4. If you want to start up that operating system now, click Restart.

How do I install an operating system on my Windows 10 laptop?

How to do a clean install of Windows 10 on your PC

  1. You can download the official Windows 10 installation media for free from Microsoft and complete a clean install.
  2. Go to Microsoft’s Download Windows 10 page, and click “Download Tool Now”, and run the downloaded file.
  3. Next “Create installation media for another PC”.
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