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Thread: External Hard Drive

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    External Hard Drive

    I have a 500GB Seagate Hard Drive which I connect via USB 2.0 for back up

    It better to disconnect if after use or leave li connected all the time ?

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    YUKIKAZE arthurleung's Avatar
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    Re: External Hard Drive

    My personal experience had been to best ave the harddrive connected to the computer but switch off power supply. Or just leave it on, since FreeAgent drives will automatically power down when inactive.

    Main worry for disconnecting the harddrive is that capacitance discharge from the harddrive's USB port could kill usb port / motherboard / power supply.

    If you disconnect the harddrive but leave the harddrive's power supply on, it will damage the transformer.

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    The late but legendary peterb - Onward and Upward peterb's Avatar
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    Re: External Hard Drive

    Quote Originally Posted by arthurleung View Post
    My personal experience had been to best ave the harddrive connected to the computer but switch off power supply. Or just leave it on, since FreeAgent drives will automatically power down when inactive.
    Agreed - there is no reason specifically to disconnect it

    Quote Originally Posted by arthurleung View Post
    Main worry for disconnecting the harddrive is that capacitance discharge from the harddrive's USB port could kill usb port / motherboard / power supply.
    Unlikely - USB is designed to be hot plugged/unplugged - the design of the plug is specifically for that - USB sticks, cameras, etc can all be hot unplugged - a hard drive is no different.

    Quote Originally Posted by arthurleung View Post
    If you disconnect the harddrive but leave the harddrive's power supply on, it will damage the transformer.
    Unlikely - if the drive is still powered on, the power supply (usually a small switched mode device) is still supplying load - but even if unloaded, it won't be damaged.
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    Re: External Hard Drive

    OMG I'm more confused now

    are you saying leave it connected (ie don't use "safely remove Hardware and don't pull the USB afterwards) and switch off the plug at the wall?

    sorry

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    Re: External Hard Drive

    i do try to use safely remove hardware

    if you go proterties/hardware/policies ( xp ) if "optimize for quick removal" is checked you can just unplug if "optimise for performance" is checked you must use safley remove hardware

    i do leave the usb in (some times) but power it down as external drives can get hot and heat kills
    Experience is something you don't get until just after you need it.

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