Windows 10: PC suddenly lagging, even after clean install

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  1. Posts : 12,408
    W10Prox64
       27 Jan 2016 #11

    Hi there.
    A Reallocated Sector Count failure is a recoverable HDD failure. You can completely format the drive and the drive will be good as new.

    If you install Passmark DiskCheckup, you will see all the SMART values of your drive, and anticipated failure dates.

    EDIT: p.s. They don't always make noises when they fail - it depends on the failure mode.
      My ComputerSystem Spec


  2. Posts : 12,493
    Windows 10 Pro
       27 Jan 2016 #12

    Sounds like your hard drive is failing, looking at the S.M.A.R.T. you provided.
    Please run HDTune to make a screenshot of the health of the hard drive and post the screenshots, this makes it a bit more clear about the S.M.A.R.T.
      My ComputersSystem Spec

  3.    27 Jan 2016 #13

    No, that's the problem. I need another drive to test.
      My ComputerSystem Spec

  4.    27 Jan 2016 #14

    Resentic said: View Post
    No, that's the problem. I need another drive to test.
    I would run the test's posted above before you do anything else.
    These will help determine exactly what you need to do next.
      My ComputersSystem Spec

  5.    27 Jan 2016 #15

    If you have any question on how to run either of the test's or you get stuck,
    let us know so someone can advise you how to proceed.
      My ComputersSystem Spec

  6.    27 Jan 2016 #16

    Here are the screenshots from HDTune:
    Click image for larger version. 

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      My ComputerSystem Spec


  7. Posts : 12,493
    Windows 10 Pro
       28 Jan 2016 #17

    1 bad sector, isn't fortunately the end of the drive, but you need to prevent data being written to it.
    To do that, in an admin command prompt enter following command
    Code:
    chkdsk /r
    If you are prompted to schedule or something, press 'Y' and reboot your system.
    Please be patient, it could take a couple of hours depending on how much has to be done.
    warning   Warning
    Do not shut down your system while chkdsk is running, shutting down could make more damage.
      My ComputersSystem Spec

  8.    28 Jan 2016 #18

    axe0 said: View Post
    Please be patient, it could take a couple of hours depending on how much has to be done.
    Still at 10% after 3 hours, is that normal?
      My ComputerSystem Spec


  9. Posts : 12,493
    Windows 10 Pro
       28 Jan 2016 #19

    A little, it happens that it stays at a few % for hours but spontaneously finishes.
      My ComputersSystem Spec

  10.    28 Jan 2016 #20

    axe0 said: View Post
    A little, it happens that it stays at a few % for hours but spontaneously finishes.
    Chkdsk ran successfully but the bad sector is still there, so is the lag. Also when the PC restarted after chkdsk it made one long beep instead of the normal quick beep.
      My ComputerSystem Spec


 
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