Lion works fine, but it wont recognize my external hard drives.  Everything worked with Snow Leopard.  Is there a fix?

Lion works fine, but it wont recognize my external hard drives.  Everything worked with Snow Leopard.  Is there a fix?

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    Hi ,
    welcome to HP support forums
    i wish you to enjoy your time here
    please ,
    give me more info about your external HDD brand so i can search for more info about it and find out if it needs a specific driver
    also , i want you to check your USB port you use
    using another port may help , it can be only a problem with the USB port itself or the Driver
    anothrt hard TIP : (Use it if you are good with SW problems only)
    1.Use Ubuntu Live Disc without installing
    2.connect the external HDD and wait till ubuntu discover it
    3.now try copying anything t the HDD
    now you will face two situations :
    1. the copying process will work fine with no errors and now you know it was only a problem with the OS you are using (WIN 7)
    2. the copying process won't complete and now there is also two possible things
        the first is the USB port or the USB cable you are using >> try replacing it and change the port and repeat
        the secong is that the new HDD has a problem or a Bad firmware maybe >> your old HDD has no relation with the problem now as Ubuntu starts in Live mode without using the internal HDD it starts depends on the CD itself and your Ram
    Hope this to help you
    don't hesitate to Ask again
    Please mark my post as SOLVED if it has resolved your problem. It helps others with similar situations.
    Mark Th. Antonio
    Faculty Of Engineering Alexandria University

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