HP Pavilion Laptop Operating System not found

“Operating System not found ” error HP Laptop screen on startup

Mainly Reason For This Error :

Solution for “Operating System not found” :

Steps 1 : Change/reset the BIOS configuration Setting :

  • Check the BIOS settings might be a good solution.
  • Restart the HP Laptop.
  • Press the necessary key to open the BIOS menu. Press ESC Key.
  • Choose the “BIOS setup” or “BIOS menu” Option.
  • Check the main BIOS screen to see if it detects the hard drive and the boot order to see if it is properly configured.


Steps 2:  Test the Hard Drive of Your Laptop

  • Connect the AC adapter to the HP Laptop.
  • Press and hold the Power button for 5 seconds to turn off the HP Laptop.
  • Hold down the F10 key while pressing the Power button to turn on the HP Laptop. Release the F10 key after the text appears on the HP Laptop screen.
  • After the BIOS setup utility is displayed, use the right arrow key to select the Tools menu.
  • Select the Hard Drive Self Test.
  • Press the Enter key to start the test.

Steps 3 :

Reinstall the Windows Operating System on the Laptop Hard Drive.

If You Should Not Do this Dial HP Laptop Customer Service Number For Help And Assistance.