Slow hard drive

Hey guys,

A little while ago I had a 2TB Western Digital Hard-drive, then one day all of a sudden my computer started running really slow. I tried everything to fix it (Update drivers, reformat) but it was still really slow. It eventually got to a point that my computer would no longer detect the hard drive, so I bought another one. This fixed the issue and my computer is now running at top speed.

The problem is I now need to add another hard drive to my computer and I was wondering if there is any way to fix the WD one that I was having issues with.

Anyone have an idea on how to bring back its speed?

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  1. Best answer
    If the drive cannot be detected, then there isn't much hope for it. Otherwise, if it does show up, then zero-fill it and hope that this will remap any bad sectors. Then try a comprehensive SMART diagnostic. Look for reallocated, pending, or uncorrectable sectors.

    HD Sentinel (DOS / Windows / Linux):

    HDDScan for Windows:

    See this article for SMART info:
  2. ^ Excellent advice.
  3. Can I also do these tests by plugging this internal HDD into a external adapter for convinence? I found on the external the HDD will show, but it takes about 15 minutes.
  4. Yes, you should be able to. However, some utilities have difficulty communicating with certain USB-SATA bridges.

    BTW, when you say that the external HDD will "show", are you sure that it is the HDD that is showing and not the USB-SATA bridge IC in the adapter? Does HD Sentinel report the model of the HDD?
  5. I'm pretty sure it was the hard drive itself. But I will use the programs you stated above and try to fix it. Thanks for your help.
  6. Best answer selected by PresidentSwag.
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