Hard drive not detected


I am facing a strange problem. I did a fresh install of Windows 7 Ultimate on my PC and since then I can't use any USB powered hard-drives. The lights on the hard-drives do come on and the harddrives give this continuous very low beep, but the harddrives do not show up in my computer. If you leave the harddrive plugged in for a while all I get is "you need to format the drives before use".

The strange part is that the Flash/Pendrives are detected and I can use them to copy/play data normally only the harddrives are giving trouble. Also the harddrives I tested with this PC are detected on other Computers and work normally. The steps I have already taken:
1. Rebooted the PC with the Harddrives plugged in.
2. Reinstalled windows just in case I messed up some drivers.
3. Tried the harddrives on other PCs and they worked.
4. I couldn't test with an external powered harddrive as I do not have one, nor do any of my friends, so stuck there with that test.

Any suggestions or ideas?

Thanks in advance!
6 answers Last reply Best Answer
More about hard drive detected
  1. The only thing I'd say is to try to get more power to the drives. You can use a dual-USB cable for that, there is a connector for USB data and power, and a secondary one for just power.
  2. I will try this out and let you know if it works!
  3. Tried. Didn't work. Used 3 different cables just to ensure that any of the cables weren't faulty.

    Any other ideas?
  4. Best answer
    Did you install the chipset drivers when you re-installed windows? If not, get them from the vendor's support site and install them. If you did, or that did not fix things, you can try a BIOS update if there is one available.
  5. Updated the chipset driver. Reinstalled windows. Bios update is available as a .exe but it just doesn't work for some reason.

    Bought a new motherboard. Thanks everyone for their efforts.
  6. Best answer selected by metallicmaggot.
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