Hard drive is corrupted and unreadable what to do? Please Help!

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  1. Posts : 3,453
       #41

    TBH, that command has never failed me on a HDD that was not damaged ...

    NB: the /f switch must always be run with /r (you'll notice in the /r help text it refers to implies /f (i.e "goes without saying include /f")

    I have a feeling there are still some virtual disk errors that /r could not retrieve data from as it just gets the sector stuff.

    Good luck....
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  2. Posts : 314
    Windows 10 Pro x64 Build 1803
    Thread Starter
       #42

    Superfly said:
    TBH, that command has never failed me on a HDD that was not damaged ...

    NB: the /f switch must always be run with /r (you'll notice in the /r help text it refers to implies /f (i.e "goes without saying include /f")

    I have a feeling there are still some virtual disk errors that /r could not retrieve data from as it just gets the sector stuff.

    Good luck....
    Please forgive my novice stupidity, but what does NB stand for as well as TBH?

    Thank you for further explaining that. I will give it another go with the complete command and see what happens.

    Thank you so much for your help. I do appreciate it. Anything else in the future please drop a line. :)
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  3. Posts : 3,453
       #43

    Sorry, just a bad habit of mine to use abbreviations...

    "N.B." = "Please Note:"

    "TBH" = "To be honest"
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  4. Posts : 314
    Windows 10 Pro x64 Build 1803
    Thread Starter
       #44

    Superfly said:
    Sorry, just a bad habit of mine to use abbreviations...

    "N.B." = "Please Note:"

    "TBH" = "To be honest"
    Thank you for being so kind to let me know what it means! Now let's hope that it doesn't fail me now!!!![emoji1]✌️️[emoji106]
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  5. Posts : 314
    Windows 10 Pro x64 Build 1803
    Thread Starter
       #45

    @Superfly and anyone else who would like to chime in,

    I did the chkdsk /f /r E: and my hard drive is still not accessible. Also, a reminder I did the chkdsk /r E: last time. I guess there is something more going on with my drive then I know. When I boot from the Kyhi drive I was able to access it and view the files with no problem. The only thing is there are some lost files or misplaced files. At least that is good news. My question is, why am I able to access this drive via a bootable drive like Kyhi then through regular Windows?

    Hard drive is corrupted and unreadable what to do? Please Help!-chkdsk-r-f-finish.png

    I am going to do one more diagnostics with another tool to make sure I did the diagnostics correct the first time, but it looks like no other way to access it unless I do a complete reformat, which I will do as soon as I get my new hard drives and I get everything transferred etc. Anything I am missing or anything new I can try please don't hesitate to share!:)

    What is the best diagnostic tool that you would recommend? @Superfly earlier you mentioned about crystaldiskinfo. @Superfly and everyone, do you guys think I should use that or anything else you can recommend I would appreciate it.

    Thank you!
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  6. Posts : 314
    Windows 10 Pro x64 Build 1803
    Thread Starter
       #46

    Also, I just want to make sure. When disconnecting an external hard drive, Is it better to just shut down the computer and just unplug it or should I turn on the computer or if the computer is already on to just safely disconnect it and then unplug? What would be the recommended option?
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  7. Posts : 3,453
       #47

    Did the drive lettter chage? I note you ran it on F: this time?

    I like crystaldiskinfo, others may be better versed in hardware diagnostics than me and may differ in opinion, but that one works me.
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  8. Posts : 314
    Windows 10 Pro x64 Build 1803
    Thread Starter
       #48

    Superfly said:
    Did the drive lettter chage? I note you ran it on F: this time?

    I like crystaldiskinfo, others may be better versed in hardware diagnostics than me and may differ in opinion, but that one works me.
    Yes, when I did my reboot I plugged in a few hard drives at the same time, which I never do, and Windows reassigned them. So the F: is the correct one.

    Thank you for your input on crystaldiskinfo. I'll give it a try.

    When you disconnect your hard drives, do you turn off the computer first then disconnect or do it when the computer is on and select safely remove?

    Thank you again my friend!!!!!!!
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  9. Posts : 3,453
       #49

    mrje1 said:
    Yes, when I did my reboot I plugged in a few hard drives at the same time, which I never do, and Windows reassigned them. So the F: is the correct one.

    Thank you for your input on crystaldiskinfo. I'll give it a try.

    When you disconnect your hard drives, do you turn off the computer first then disconnect or do it when the computer is on and select safely remove?

    Thank you again my friend!!!!!!!
    You are welcome... pity chkdsk did not completely repair the corruption.

    The correct way of removing a device is to eject it first (via right-clicking on the drive icon - like one would do with a DVD or mounted iso.)
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  10. mck
    Posts : 142
    Windows 10 Home
       #50

    mrje1 said:
    Also, I just want to make sure. When disconnecting an external hard drive, Is it better to just shut down the computer and just unplug it or should I turn on the computer or if the computer is already on to just safely disconnect it and then unplug? What would be the recommended option?
    If the PC is powered on, using Win10's "Safely disconnect and eject media" first, then disconnecting the external HDD while the PC is still powered on is fine. Or shut down the PC and then disconnect the external drive. Either way, is safe.

    One important thing to do after removing power to an external hard drive, is to wait at least 5 seconds before moving the drive. This gives the platters in the hard drive time to stop spinning.

    EDIT: By the same token, if one needs to power a computer off to do a fresh power on boot for whatever reason, it's a good thing to wait at least 5 seconds before powering the computer back on. This gives the hard drives time to stop spinning before powering on again, and gives the computer's power supply time to cycle down. No sense in a user creating a power flux like condition manually by powering off and immediately powering on again.

    mck
    Last edited by mck; 10 Nov 2016 at 12:25.
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