Possible Hard Drive Disappeared Failure

Hard-Drive-Disappeared-Failure Q: So I just completed a clean install of Windows 7 and I was installing some software that was originally on my primary HDD to my secondary HDD ,and the installation was taking so much longer than usual, The progress bar was almost full then it slowed down, then completely stopped, so I just gave it some more time. I opened my browser (Opera) to go on youtube and pass the time but my speed dial was gone! and the “Speed Dial File” is located on my secondary HDD, so I thought to myself that either the file is corrupt or something happened to the hard drive. I checked “Computer” and sure enough its gone! Its gone on both Computer and Disk Management, but for some reason is detected by BIOS. its the “Seagate Barracuda 7200 3 TB 7200RPM ST3000DM001” This happened after only after 1 month of use. I have over 1.5 TB of data on that hard drive, and I pretty much install everything on that drive, I have a back up but my data is constantly changing, I wanted a RAID setup but I really dont have the money for that.

Seagate Barracuda 7200 3 TB 7200RPM SATA 6 Gb/s NCQ 64MB Cache 3.5-Inch Internal Bare Drive ST3000DM001 ($146 on Amazon.com)

Is there anything at all I can do? Is my data 100% lost? An help would be appreciated.

Specs:
ASUS M4A88T-M Motherboard
Seagate Barracuda 7200 320 GB
Seagate Barracuda 7200 3 TB 7200RPM ST3000DM001
AMD Phenom II X4 965 Black Edition Deneb 3.4GHz
Rosewill Stallion Series RD500-2DB 500W ATX12V Power Supply
SAPPHIRE Radeon 6950 OC Edition
Kingston ValueRAM 4GB 1333MHz
Windows 7 Ultimate X64

so I just rebooted my PC and the hard drive is back! Works just as good but what if it happens again? is this a sign of failure?

A: I would suggest you to change the sata cable and the power one from the psu see if that fix the issue adding this check if there is a new bios for those big drive on asus

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