how do I use a 2.0 external HD on a 3.0 system?

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CAllison

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Dec 31, 2013
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I have an asus notebook and need to make my 2.0 external HD work. It makes a noise when its plugged in but doesn't load nor is it acknowledged. I also have windows 8. The system info says I need a 3.0 HD ... can't I use an adapter of some sort?

Thanks
 
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mbreslin1954

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Nov 27, 2010
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USB 3.0 is backward compatible with USB 2.0, so it will work. However, unless the USB 2.0 HDD (hard disk drive) has an external power source, you will need a pigtail cable with two USB 2.0 plugs for the laptop, in order to provide enough power. USB 3.0 drives can be powered from only one USB 3 port, but USB 2 external HDDs without external power need two USB ports to drive them.

Like this one:

http://www.newegg.com/Product/Product.aspx?Item=N82E16812406006
 
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