Now

[Nisha77]

NOT ABLE TO START THE PC. BOOT DEVICE NOT FOUND ERROR IS DISPLAYING.ERROR 3F0.

HARD DISK NOT FOUND.

HOW TO FIX IT? TRIED CHANGING BOID BY SETTING IT TO DEFAULTS STILL NOT WORKING.

[praveen196]

@Nisha77 Welcome to HP Community!

I understand that you are getting a 3F0 error.

Do not worry. I will try to fix the issue.

Please perform the below steps and check.

Hard Reset:

1) Shutdown the computer.  

2) Unplug all the Adapter and peripherals connected.  

3) Remove the Battery. ( not for Built-in Battery computer ) 

4) Press and hold down the power button for 15 to 20 seconds.  

5) Plug-in the Adapter and put the Battery back into the computer if it's a (removable battery)

6) Try to turn on the computer and check, If the issue persists continue next step

Set BIOS default and restart:

1. Restart your notebook.
2. During startup, press F10 repeatedly until the BIOS menu is displayed.
3. Once the BIOS menu is displayed, press F9 to restore factory defaults.
4. Select Yes to confirm.
5. Press F10 to save changes and exit.
6. Select Yes to confirm.
7. The computer restarts using the default settings.

Hard Drive test 
 

1) Shutdown the computer.  

2) Turn the computer back on again and repeatedly tap on the ESC until a Startup menu appears.  

3) Press F2 once.  

4) Go to the Component test.  

5) From the list, run the Hard Drive (extensive) test.  

Please let us know the hard drive test result.

Keep us posted,

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Give us a virtual high-five by clicking the 'Thumbs Up' icon below, followed by clicking on the "Accept as solution" on this post, 

Have a great day!