Windows 7 doesn't recognize my external HDD

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  1. Posts : 7,730
    Windows 7 Ultimate SP1 64-Bit
       #21

    You have to try and help yourself and unless we know your model number, it's very hard for us to help.

    You'll find help on any support page, but you have to search for it.

    http://www.samsung.com/uk/support/main/supportMain.do

    Click on the link for Support, then PC & Office and select your product. From there you should be able to find a link for drivers for your chipset.
      My Computer


  2. Posts : 26,869
    Windows 11 Pro
       #22

    It is on the back of the laptop, a long bar code with model# on top, it starts of NP-
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  3. mjf
    Posts : 5,969
    Windows 7x64 Home Premium SP1
       #23

    Sometimes external HDDs don't get enough grunt to power them via the USB port (could be boarderline). Different USB ports can deliver more current at 5v than others. Try using a powered USB hub as a test.
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  4. Posts : 16
    Windows 7 Home Premium 64bit
    Thread Starter
       #24

    Samsung NP-R580-JSB1US
      My Computer


  5. Posts : 26,869
    Windows 11 Pro
       #25

    Make sure this is your laptop

    Samsung

    You can click on Manual-Driver-software and firmware

    Update your drivers by OS type especially the chipset drivers.
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  6. Posts : 7,730
    Windows 7 Ultimate SP1 64-Bit
       #26

    Download drivers here: Samsung

    Just click the Drivers link and you'll find the Windows 7 chipset drivers towards the bottom of the list.

    Essenbe, I think we got there in the end. :)
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  7. mjf
    Posts : 5,969
    Windows 7x64 Home Premium SP1
       #27

    OP,
    It would be useful for others to post back if updating your Samsung laptop drivers resolved your external HDD problem.
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  8. Posts : 16
    Windows 7 Home Premium 64bit
    Thread Starter
       #28

    thnq essenbe & seavixen32,
    earlier i had tried out





    and according to the


    Intel Chipset Software Installation Utility (Chipset INF)


    Product Detected:
    Current Version Installed 9.1.1.1025 This version is valid.


    in the samsung website Driver > windows 7 64 bit > its the exact same Chipset version do i still need to download it?????


    Thnq
    mjf,
    for ur support. I will certainly inform all of u if my problem is resolved.. but how do i verify the power issue..?
    i hav already tried:
    1. Rebooting with and without HDD being plugged in
    2. Tried all ports (no HDD is bein recognized but pen drives r recognized!!!)
    3. Uninstalling USB drives and restarting
    4. Virus scan (clean)
    5.
    USB Selective Suspend - Turn On or Off
    6. Command Prompt (
    sfc /scannow) came out as no integrity violations
      My Computer


  9. mjf
    Posts : 5,969
    Windows 7x64 Home Premium SP1
       #29

    A power issue is only one suggestion. USB flash/pen drives require ~100mA which is a lot less than a portable HDD.
      My Computer


  10. Posts : 16
    Windows 7 Home Premium 64bit
    Thread Starter
       #30

    thnq mjf for the idea.. but.. is there anyway i can increase the power to the USBs..? and besides how can d power issue suddenyl happen cos d hdd was working just fine a month ago
      My Computer


 
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