The failure 3F0 means your Hard Drive has Failed & needs to be replaced.
If your notebook is still under warranty, contact HP and arrange to have the drive replaced.
Please do a HDD self test first:
1. Restart the computer. 2. Keep tapping the F10 key when the HP logo appears. This will take you to Bios Setup Utility. 3. Select the Diagnostic tab. 4. Select the "hard drive self test" option and press enter to perform the test. Note: This test takes arond 40 minutes or more.
Pass - The hard drive is not damaged. Fail - the hard drive is damaged and may need to be replaced.