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external hard drive not recognized

Discussion in 'Hardware' started by chicoboss, Jan 11, 2010.

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  1. chicoboss

    chicoboss Thread Starter

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    Hi all,

    This is the issue:

    It is a dell inspiron 500m, i'm trying to connect a new WD external drive250 (wd2500me) gb on it. but the external hard drive is not recognized by the pc. I tested it on another pc and it is working well, i also test the usb ports on the 500m and worked well with usb sticks.

    i contacted dell and told me that the harddisk is not supported, i need to get another external or another motherboard ...ppfffff

    aslo this external doesn't required drivers..
    after trying several times i got a message that said something about low voltage or something..



    anyone who can help me?
     
  2. chicoboss

    chicoboss Thread Starter

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    still unsolved
     
  3. Elvandil

    Elvandil

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    Sounds like your USB port is not putting out enough power. Unplug all other USB devices, and try other ports. You may need to buy a powered USB hub to run it on that machine.
     
  4. etaf

    etaf Moderator

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    Wayne
    Is this a Powered Harddrive or a 2.5" hardrive - Havent looked it up
    I have a 2.5 that uses two USB connections to get max power off the USB
    otherwise all my external drives are plugged in mains
     
  5. Elvandil

    Elvandil

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  6. chicoboss

    chicoboss Thread Starter

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    it is a powered harddrive , it came with only one plug usb cable..i allready unpluggled everthing and still have the problem.. i will try to find a Y-usbcable to get max power off the USB , i may have one at home.... thnx for the help.
     
  7. etaf

    etaf Moderator

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    If its a powered drive - the USB should not be a problem...But if you have a lead certainly worth a try
     
  8. Elvandil

    Elvandil

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    Don't make your own unless you know what you are doing. Those double cables have 2 different connectors. One is the full USB and the other is just for power. You will short something if you use 2 USB full connectors.
     
  9. chicoboss

    chicoboss Thread Starter

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    hahahahah... thank god i didn't connect them yet :p.. i have one of those cable.// one of them says power and the other data... but what should i do then?
     
  10. Elvandil

    Elvandil

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    You have a "Y" connector? If one is data and one power, then that is right. Where did it come from?

    One connector to the computer should have 4 wires on it, if you can see them, red and black (to 2 outside conductors inside the USB connector) for power, and green and white for data (the 2 inside conductors). The other should be just for power with only red and black. So, you have one data (green and white) and two power (red and black).

    If you made the cable, you just need to cut the white and green on one of them.
     
  11. chicoboss

    chicoboss Thread Starter

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    it came with a seagate external, so it should be save to connect it with this wd external to give it more power?
     
  12. Elvandil

    Elvandil

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    Yes, that will do it all right.
     
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