If the Hard Disk Error 3F0 boot device not found is displayed on a black screen, run the Hard Disk Test in System Diagnostics.
Update the BIOS
Open the Component Tests menu when Windows won't start
When Windows won't start, use the following instructions to open the Component Tests menu.
Hold the power button for at least five seconds to turn off the computer.
Turn on the computer and immediately press esc repeatedly, about once every second. When the menu is displayed, press the f2 key.
On the main menu, click Component Tests.
The Component Tests menu is displayed.
Your Component Tests menu might be different, depending on the components installed on your computer.
Perform hard drive tests in HP PC Hardware Diagnostics
HP PC Hardware Diagnostics provides multiple tests to test the hard drive on your computer and confirm hardware failures. First, run the Quick Test (two to three minutes). If the Quick Test does not find a problem, run the Extensive Test (two hours or more). It can run once or loop until an error occurs.
On the Component Tests menu, click .
Click Run once. The Quick Test begins.
If the computer has more than one hard drive, select the drive to test. To test all the hard drives, select Test All Hard Drives.
When the test is complete, the screen displays the results. Test results are also available in the Test Logs on the main menu.
If the hard drive passes the Quick Test, but there is still a problem with the hard drive, run the Extensive Test. This test includes the SMART Check, Short DST, Optimized DST, and Long DST. To run these tests individually, select them from the Hard Drive Tests menu.
If the hard drive fails a test, click Troubleshoot.
Follow the on-screen instructions to attempt to resolve the problem, and then click Yes.
If the problem is not resolved, click Yes to contact HP Customer Support.
Write down or copy the failure ID (24-digit code) and product ID for when you contact HP Customer Support. The information is also available in Test Logs on the main menu.
If your computer is online, click NEXT to go to the HP Customer Support website.
If your computer is offline, use your mobile device to scan the provided QR Code and access HP Customer Support.
Restore BIOS default settings
To restore the BIOS default setting, open the BIOS Setup screen.
Turn off the computer and wait five seconds.
Press the power button to start the computer and repeatedly press the f10 key to enter the BIOS setup menu.
On the BIOS Setup screen, press f9 to select and load the BIOS Setup Default settings.
Press f10 to Save and Exit.
Use the arrow keys to select Yes, and then press Enter when asked Exit Saving Changes?
Follow the prompts to restart your computer.
Reinstall Windows 10 on the hard drive
Reinstall Windows through the Windows Recovery Environment (f11) or using the HP Cloud Recovery Tool.
Use the steps from HP PCs - Reset the computer to perform a system reset through Windows Recovery Environment (f11) when Windows does not start.
Or, to use HP Cloud Recovery Tool, see the document for your computer:
HP Consumer PCs - Using the HP Cloud Recovery Tool (Windows 10)
HP Business PCs - Using the HP Cloud Recovery Tool in Windows 10