Western Digital Ext. HArd drive wont show up.

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  1. Posts : 6
    Windows 7 Ultimate 32bit
       #1

    Western Digital Ext. HArd drive wont show up.


    I have to western Digital external hard drives and when I plug them both in to my computer at the same time, only one of them shows up in "My Computer". I have to keep plugging them in one after another to get the other to pop up. I have to transfer data from one drive t o the other but I can't do so because they won't appear at the same time.

    When I go to Device Manger they both appear there but only the first drive that was plugged in is accessible.

    Any one have any answers?
      My Computer


  2. Posts : 39
    Windows 7 Professional 64 bit
       #2

    if they're external drives without a separate power source, you may not be getting enough power from the USB ports to run both simultaneously
      My Computer


  3. Posts : 6
    Windows 7 Ultimate 32bit
    Thread Starter
       #3

    They both run on their own power cable to the wall outlet
      My Computer


  4. Posts : 39
    Windows 7 Professional 64 bit
       #4

    Not sure what kind of computer you're using, but if it's a desktop with front and rear USB ports, try connecting one to the front and the other to the back, anything but adjacent ports.
      My Computer


  5. Posts : 6
    Windows 7 Ultimate 32bit
    Thread Starter
       #5

    I actually have a HP g60-445dx laptop with 3 USB ports. I've tried swapping out which ports I use to see if they'll pop up but it still isn't working.
      My Computer


  6. Posts : 39
    Windows 7 Professional 64 bit
       #6

    Try a different computer. The USB hub in your laptop isn't up to the task.
      My Computer


  7. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       #7

    It is probably a capacity problem of your hub. I would copy the data first from one to the system disk and then swap the drives and copy to the other external. That may not be a lot slower because you avoid interference on the hub. And enable write caching in Device Manager > Properties > Policies.
      My Computer


  8. Posts : 26,863
    Windows 11 Pro
       #8

    Also, make sure they are both assigned separate drive letters.
      My Computer


  9. Posts : 6
    Windows 7 Ultimate 32bit
    Thread Starter
       #9

    essenbe said:
    Also, make sure they are both assigned separate drive letters.
    I don't know why I didn't think of that before. How do you change the drive letter?
      My Computer


  10. Posts : 6
    Windows 7 Ultimate 32bit
    Thread Starter
       #10

    Nevermind I figured out how to do that but that still didn't work
      My Computer


 
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