2nd internal hard drive wont appear "error: core library not found"


  1. iiVince
    Posts : 6
    Windows 7 Professional x64
       New #1

    2nd internal hard drive wont appear "error: core library not found"


    I have a problem with windows saying my 1TB WD HDD isnt there. When I boot my computer up i can see it on the boot menu, but when i log into my computer an error message pops up and says "error: core library not found", and my D: is gone. I boot off of a 64gb SSD. It also seems the problem is getting worse, earlier I could access the HDD but it would randomly disconnect sometimes, and a restart would solve the problem. Awhile after that (few hours or so) it would disconnect whenever i tried to access it. And when i rebooted I could see it again, but if I tried to access it would continue to disconnect. Now whenever I boot I can see it in the boot menu but when I get into windows I get that error message.
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  3. DocBrown
    Posts : 9,606
    Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
       New #2

    Have you re-seated the power & data cable to the 1TB HD ?

    How does in show up in Disk Management ?
    Attached Thumbnails Attached Thumbnails 2nd internal hard drive wont appear "error: core library not found"-disk_management_oct_2009.jpg  
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  4. iiVince
    Posts : 6
    Windows 7 Professional x64
    Thread Starter
       New #3

    I haven't reseated it and it doesnt show up in disk management. I will reseat it now and tell you if it fixes the problem.
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  6. iiVince
    Posts : 6
    Windows 7 Professional x64
    Thread Starter
       New #4

    Ok, reseated the drive. Still appeared during startup as usual, once I got into windows it still didnt see it but there was no error message this time. :?
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  7. DocBrown
    Posts : 9,606
    Win7 Enterprise, Win7 x86 (Ult 7600), Win7 x64 Ult 7600, TechNet RTM on AMD x64 (2.8Ghz)
       New #5

    You might try going to the WD site & download the tools sofware for your HD to test if it is failing.

    WD Support / Downloads / SATA & SAS
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  8. iiVince
    Posts : 6
    Windows 7 Professional x64
    Thread Starter
       New #6

    I downloaded the software, but It still doesn't see the HD. So I wasnt able to test it.
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  10. iiVince
    Posts : 6
    Windows 7 Professional x64
    Thread Starter
       New #7

    Tried a new SATA cable, it works fine now.
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