Error code Hard disk 3FO boot device not found

[Madmad80]

When I turned my computer on  I keep getting the message, BOOT DEVICE NOT FOUND, as suggested on the blue screen I tried hp tech center, followed the instructions there and it didn't work

[Pallipurath]

Hi @Madmad80 

Welcome to the HP Support Community.

Thank you for posting your query.

I understand that you’re experiencing issues with your device and are seeing the error code “Hard Disk 3F0 – Boot Device Not Found.” To help resolve this, I’d request you to follow the steps below.

Possible Causes

• Incorrect BIOS settings.
• Faulty or improperly connected hard drive.
• Corrupted boot sector or system files.
• Defective hard drive or SSD.

Troubleshooting Steps
Perform a Hard Reset:

• Disconnect all external devices.
• Shut down the computer.
• Remove the AC adapter and battery.
• Hold the power button for 15 seconds.
• Reconnect the battery and AC adapter, then turn the computer back on.

Check BIOS Settings:

• Restart the computer and press Esc or F10 repeatedly to access the BIOS Setup.
• Ensure that the boot order is set correctly, with your hard drive set as the primary boot device.
• Look for options like Legacy Boot or UEFI Boot and adjust these settings according to your configuration.

Run Hardware Diagnostics:

• Use the HP PC Hardware Diagnostics (UEFI) tool to test the hard drive.
• Restart the computer and repeatedly press F2 to enter the HP Diagnostics screen.
• Select Component Tests and choose Hard Drive. Run the quick and extensive tests for more accurate results.

Reseat the Hard Drive:

• Power down the laptop and unplug all cables.
• Remove the back cover of the notebook.
• Check the hard drive connections, ensuring they're secure.
• If necessary, remove the hard drive and reinsert it into its slot.

Repair Boot Sector:

• Boot from a Windows installation media or recovery disk.
• Access the Command Prompt via Troubleshoot > Advanced Options.
• Use the command bootrec /fixmbr  followed by bootrec /fixboot  and bootrec /rebuildbcd.

Consider Hard Drive Replacement:

• If the diagnostics report a failure or if the issue persists, the hard drive might be faulty.
• Consider replacing the hard drive with a new one and reinstalling the system.

https://support.hp.com/us-en/document/ish_3053911-2842957-16 follow the link for more detailed steps

Hope this helps, Please revert if the issue persists.

Take care and have an amazing day!