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Seems like your hard drive has failed.
You may have to replace the drive and reinstall Windows.
Please use these instructions for testing your hard drive.
*Works even if your PC doesn't boot to Windows.
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Ok so my system only shows the HP PC Hardware Diagnostics UEFI screen
And i ran all tests and they all came back fine
So now what do I do?
Help please, this happened to me after someone told me to run an exe file that would decompress a file for The Sims, instead it rebooted my system and I now get a Boot Device Not Dected Hard Drive (3FO) error
If you performed the hard drive diagnostic and it passed then I suggest you check your boot order and confirm that the Hard Drive is selected as the first boot device. It appears that your system is trying to perform a network boot. It's especially concerning since the problem started after you opened a suspicious executable file.
On next reboot repeatedly tap the Esc key until the Start Up menu appears then tap F9 for Boot Options.
In the Boot Options menu be sure that your Hard Drive is selected and the first/primary boot device.
Thanks I already tried this and the only options that came up as boot selections were my network card IPv4 and IPv6 options ...... so evidently it isn't seeing my hard drive at all
So I put in an old windows 10 iso disc that I made and it acted like it was going to start up but then it went to this screen
Checking media Presence
Start PXE over IPv4
Then after about 3 minutes it goes to a black screen with a blue box that reads the following
Boot device is not found
Please install an operating system on your hard drive
Hard Drive - Error (3F0)
F2 System Diagnostics
and then tells me to go to a hp tech center start up site (my computer is a HP Pavilion 500-217c)
I have no idea what to try next, except to take it to a computer place and see if they can retrieve my files and order restoration discs for my computer, because of course I never burned them off my computer
Does the hard drive show up in BIOS? Have you checked the data and power connections? Tried a different SATA port? Can you hear the hard drive spin up? You can actually place your fingers on the drive and feel the disks spinning. Tried the hard drive as a slave drive in another computer? When you tried the Win 10 iso did you select your CD/DVD drive from the boot menu?
I don't know where to go to look and see if the hard drive shows up in BIOS. Yes I have checked the data and power cables, I even tried pulling the power cable and holding the power button and then plugging the power cable back in, but no luck. I don't know what a SATA port is, so that would be a no. Nope I can not put my fingers on the hard drive to see if it is spinning and no I don't have another computer to put the hard drive in ( or even have an idea on how to get it out to put it in another computer) I am on my mother's toshiba laptop that is I think a first generation intel pentium (yeah caveman era). Not sure what you mean by the boot menu, I did push a button to give me the option to boot from a certain area I think it was the F9 button to get to that area to choose and I did have the option to choose the cd/dvd drive. Sorry it is really late and I have been up all of last night with my computer trying to get it to work.
I think I am going to take it to a computer shop tomorrow and see if they can recover the files off my hard drive and maybe see what is going on and how to fix it, my wonderful son is going to pay for it. Yay for an early next years mother's day gift.