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I am getting the error 3F0 Boot Device Not Found or Hard Disk Error

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HP Pavilion Desktop 590-p0xxx
Microsoft Windows 10 (64-bit)

I downloaded a program called DeviceHub. I ran the program and it installed a few drivers for me.
After I did a restart, the computer would not turn on, the power light just blinked.
I unplugged it for a few minutes and when it came on, I got the error message

3F0 Boot Device Not Found or Hard Disk Error

I followed steps to try to fix.
I pressed F2, and ran a check on the Memory Test and Hard Drive Check and they both passed.

I then restarted and pressed F10
Legacy Support was already disabled but  I could not Determine if Optane memory is installed and working normally .....

Please help, All of my current college school work is on this computer.
Thank you in Advance,


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Really -- so all your college work in on this drive and you haven't bothered to spend $10 for a USB stick and ten minutes of work to back that off so when this stuff happens, you don't lose everything?


I don't know why the Disk tests out OK but you are getting a 3F0 -- as that nearly always indicates a failed drive -- but your focus at this point is to do data recovery to get your school files back.


All you will be able to recover at best from the drive is personal data. You will not be able to recover settings, website information (including user accounts and passwords) or applications.

Your best bet for recovering data now is to do the following:
1) Remove the disk drive from the old PC. If this is a SATA hard drive or a SATA SSD, this is a simple thing to do. If this is an m.2 SSD, that could be either screwed to the motherboard or soldered to the motherboard. If the second, you would need to have a techician remove it for you, or you risk seriously damaging the PC doing it yourself.
2) If you have a desktop PC with a spare hard drive connector, then connect the old drive to that. If the old drive is a SATA drive, connect both the power cable and the data cable. (This adapter is illustrated below) If the old drive is an m.2 SSD, you will need a USB-to-mSATA cable.
3) Try to retrieve the files and folders you want to save from the old drive and copy them to the new PC.

If this does not work, then you need to do the following:
1) Download and install this utility on a working PC
2) Run the data recovery utility to see what can be retrieved from the old drive.

If that tool does not find what you need, an alternative is Recuva

And, if that does not work well, the best tool out there is this one, but only the demo version is free

***If my post helped, click the thumbs-up symbol to say thanks***

***Please mark Accept As Solution if my post solved your problem***

I am a volunteer and I do not work for, nor represent, HP
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