Hard drive not found (3F0) error

I have a G42-415DX notebook that I bought around a year ago. It's been a solid day-to-day computer up until now. It froze a few days ago, and when I tried to start it back up, it got to the HP splash screen (prompts you to hit 'Esc' for system settings) and started beeping. It stayed this way (beeping from the motherboard, not the speakers) for a minute until I shut it down. When I tried to start it back up, I got nothing but the system diagnostics screen. No option to load the BIOS or any of that, it "boots" strait to system diagnostics now. I ran all the diagnostics and the memory checked 100% fine, but the computer says there is no hard drive installed. It gave me a "3F0" error code (no bootable device installed). I've tried absolutely everything I can think of. I took the hard drive out and checked the connectors for corrosion or burns and everything looked clean. I removed re-seated the drive several times but it didn't fix anything. I tried swapping a good hard drive from a different laptop, also with windows 7 installed, into the G42 with the same result. Also worth mentioning, the other laptop wouldn't boot to windows with the G42's hard drive either. I popped in my Ubuntu DVD and ran the OS live from the disk to see if the built-in disk utility could see the drive and it does not. The DVD drive itself shows up under the host SATA controller, but no hard drive. Also, there's a very small (maybe 1 inch long) cable on this laptop that connects the hard drive to the motherboard. 1 end connects via normal SATA ports but the other seems specific to this laptop. Maybe this little cable is the issue, or the connection on the motherboard side? Both connectors on that end also appeared to be clean, nothing loose or obviously broken.
The G42 didn't come with any windows disks b/c there's a recovery partition pre-loaded on the drive (which I can't access).
Is this a hardware issue or do I need to flash/update my BIOS? I have a lot of very important personal information and family photos on the G42 so if anyone knows a way to fix this problem outside of a new hard drive or laptop, or has any ideas for further troubleshooting, I'm all ears.

Hi,
The failure ID you provided indicates that your Hard Drive has Failed & needs to be replaced.
If your notebook is still under warranty, contact HP and arrange to have the drive replaced.
If you are out of warranty and would like a guide on replacing the Hard Drive yourself, please let me know.
Let us know how it goes!
*Although I am an HP employee, I am speaking for myself and not for HP.
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Regards
Manjunath
Let us know how it goes!
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Manjunath

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