Frequent question: How do I fix my laptop operating system not found?

What do I do if my laptop says operating system not found?

How to Fix the ‘Operating System Not Found’ Error

  1. Restart your computer. …
  2. Disconnect unnecessary flash drives, eject the disc if there’s one in the disc drive, and remove any floppy disks. …
  3. Boot into BIOS and make sure the hard drive the operating system is installed on is listed as the first boot device.

How do I fix missing operating system without CD?

5 Solutions That May Help You Get out of Missing Operating System Error

  1. Solution 1. Check If Hard Drive Is Detected by BIOS.
  2. Solution 2. Test Hard Disk to See Whether It Failed or Not.
  3. Solution 3. Set BIOS to Default State.
  4. Solution 4. Rebuild Master Boot Record.
  5. Solution 5. Set Correct Partition Active.

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.

What causes missing operating system error?

This issue may occur if one or more of the following conditions are true: The basic input/output system (BIOS) does not detect the hard disk. The hard disk is damaged. Sector 0 of the physical hard disk drive has an incorrect or malformed master boot record (MBR).

IT IS IMPORTANT:  How do I update my Windows operating system?