can't access external hard drive

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  1. Posts : 9,770
    Windows 10 Home 64bit Version 21H2
       #31

    OK, fine. I use a similar transparent ORICO case
    can't access external hard drive-20-07-2020-22-10-31.jpg

    As told in my post#20, cleanup your drive and then initialise and format your drive. "If it is all ok,you should copy all the folders/backups to another drive and then format this drive as an MBR drive after a cleanup."

    For writing zeros to all sectors and thus wipe your drive clean, you may use HDD LLF Low Level Format Tool from HDDGURU: HDD LLF Low Level Format Tool
    Download Windows Executable (works without installation): HDD Low Level Format Tool ver.4.40. It will be a single executable HDDLLF.4.40.exe . Click on it to run, and make sure you select the correct drive to wipe. ( Make doubly sure that it is not your system drive.)

    can't access external hard drive-17-07-2020-18-26-35.jpg

    can't access external hard drive-17-07-2020-18-34-21.jpg

    This will be the same as diskpart clean all but the advantage here is that you can make sure that you are cleaning the right drive and also watch the progress in the listing field as well as the progress indicator field.

    ( Using diskpart clean/cleanall many users ended up zeroing the system drive/ wrong drive inadverdently and then rushed here for data recovery from the mucked up drive. Therefore I never recommend diskpart clean/cleanall to users to cleanup the drive.. Better to be safe using this application rather than diskpart clean/cleanall)

    Once the wipe is complete , in Windows Disk Management, you may initialise it as MBR and format it .

    Note: Depending upon the speed of your computer, the wipe can take anywhere between two to four hours.

    The end.
    Last edited by jumanji; 20 Jul 2020 at 11:43.
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  2. Posts : 110
    Win 10 ver 20H2
    Thread Starter
       #32

    jumanji said:
    OK, fine. I use a similar transparent ORICO case
    Once the wipe is complete , in Windows Disk Management, you may initialise it as MBR and format it .
    I wrote the 0s to the ext HDD, and I've initialized it in Disk Mgt - but I don't see how to format it in Disk Mgt - or did I misunderstand you?
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  3. Posts : 541
    win 10
       #33

    i could be wrong but i think when you initialized it. it format it.
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  4. Posts : 110
    Win 10 ver 20H2
    Thread Starter
       #34

    Nevermind - Google teaches me to:


    • Open the Disk Management console. ...
    • Right-click the unallocated volume.
    • Choose New Simple Volume from the shortcut menu. ..


    I would not have thought a new simple volume was a format command.
      My Computer


  5. Posts : 56,050
    Multi-boot Windows 10/11 - RTM, RP, Beta, and Insider
       #35

    3point1 said:
    Nevermind - Google teaches me to:


    • Open the Disk Management console. ...
    • Right-click the unallocated volume.
    • Choose New Simple Volume from the shortcut menu. ..


    I would not have thought a new simple volume was a format command.
    Welcome to MS-Speak! Other Disk tools call it something more basic, like "Create" or "Create Partition". They still walk you thru the same question/answer and do a format.
      My Computers


  6. Posts : 9,770
    Windows 10 Home 64bit Version 21H2
       #36

    3point1 said:
    Nevermind - Google teaches me to:


    • Open the Disk Management console. ...
    • Right-click the unallocated volume.
    • Choose New Simple Volume from the shortcut menu. ..


    I would not have thought a new simple volume was a format command.
    Yes, You learnt it right . ( I woke up and came online only now - different time zone. )
      My Computer


  7. Posts : 110
    Win 10 ver 20H2
    Thread Starter
       #37

    Now I have these errors showing up on my newest ext HDD - the one from the laptop I just disassembled. It's a 1TB WD Blue (the prev one was Black). What do you make of this? Do I need to start a new thread?
    Attached Thumbnails Attached Thumbnails can't access external hard drive-format-error.png  
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  8. Posts : 9,770
    Windows 10 Home 64bit Version 21H2
       #38

    Looks like write/read errors occurred. May be that disk has bad sectors. Please start a new thread explaining the problem you encountered with that disk - reason why you took out the drive from a laptop and what you want to do.. Other experts can tell you what disk checking programs to run , decipher the results and let you know. The LLF tool will not repair a bad disk. A disk with bad sectors has to be discarded.
    Last edited by jumanji; 21 Jul 2020 at 01:32.
      My Computer


  9. Posts : 3,643
    Windows 11 Pro 64 Bit 21H2
       #39

    With the WD drive attached, download HDTune in my signature, Not Pro. Select the drive in the drop down menu in the toolbar of the app. Go to the Error Scan tab, do a full Error Scan. This will take some time. If all of the boxes are Green, the drive is healthy. If any of the boxes are RED, then those are Bad Sectors, there is no reason to complete the test, the drive needs to be replaced.
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  10. Posts : 110
    Win 10 ver 20H2
    Thread Starter
       #40

    spunk said:
    With the WD drive attached, download HDTune in my signature, Not Pro. Select the drive in the drop down menu in the toolbar of the app. Go to the Error Scan tab, do a full Error Scan. This will take some time. If all of the boxes are Green, the drive is healthy. If any of the boxes are RED, then those are Bad Sectors, there is no reason to complete the test, the drive needs to be replaced.
    Thanks, spunk. As you can see, no bad sectors. So am I good to go with this drive? And if there are no bad sectors, why were there so many errors during the writing 0s process?
    Attached Thumbnails Attached Thumbnails can't access external hard drive-hd-tune-no-bad-sectors.png  
      My Computer


 

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