Sometimes when you switch on your HP laptop then you see the error message boot device not found or 3F0 problem.
Please install an operating system on your hard disk.
If the error code displays 3F0 or boot device not found issue in your HP laptop then observe if the Optane memory is installed and configured correctly in your laptop.
The error code 3F0 signifies that hard drive is not identified in your laptop of HP.To fix HP Laptop Error 3f0 you require following the steps given below:-Method 1: Perform Hard ResetA hard or forced reset erases all data from the memory of your laptop of HP.
This motivates the system to again establish and clear the software connections between the BIOS and the hardware.Reset a laptop with a non-removable or removable batteryTurn off the laptop.Detach the laptop from any station of docking or port replicatorAlso detach all the attached external peripheral devices.Remove the plug of the AC adaptor from the laptop.Also detach the battery from the battery compartment.Press and hold down the power button for 17 seconds to drain the electric residual charge.Connect the battery and AC adaptor in the laptop.Press power button to turn on the laptop.If you saw a startup menu, then deploy arrow keys to select “Start Windows Normally”.
After that, press the enter button.Attach again all the peripheral devices.Launch HP Support Assistant and Windows Update to upgrade all the drivers.Method 2: Restore the Default BIOS SettingsTo restore the default BIOS setting, you need to launch setup screen of BIOS.Turn off the laptop and wait for few seconds.Press the button “power” to boot the laptop and continuously press F10 key to go towards the setup menu of BIOS.On the BIOS setup screen, press F9 key to select and load the default BIOS setup settings.Press key “F10” to exit and save.Use the arrow keys to select yes, and then presses enter when asked for “Exit saving changes”?Follow the on-screen steps to reboot your laptop.If the error code is still visible then proceed with the next step.Method 3: Deploying HP PC Hardware Diagnostics to Test the hard disk Deploy HP Laptop hardware diagnostics even if the laptop does not start with Windows.