My macbook does not read my lacie hard drive

Hello,
I have a lacie external hard drive that I use on my mac book. This worked very well, but since yesterday when I plug it into the USB port, a message appears telling me that my device is too energy intensive (translation of the message displayed in French). Usb keys work very well. Anyone knows there a solution to this problem?
Thanks a lot.

This is a common problem. The MacBook usb ports supply a limited amount of power. If the connected device(s) tries to draw more than that, the connection is terminated.
There really is only one long term solution, viz. a powered USB hub. You connect the hub to the MacBook with a usb cable. The hub is plugged into a power outlet (in the wall) and the usb devices are plugged into the hub.
You can buy a hub with 4 or 6 or 8 or even more ports.
http://usb-hub-review.toptenreviews.com

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1. I turn it on, it starts normally at first, the Apple Logo Shows for several seconds
2. It changes to a no-smoking sign without the cigarette
3. If I try to boot safe mode, a folder appears with a question mark
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1. What do I do? Thoughts? How do I recover my hard drive data before sending this computer to Apple to fix?
2. How can I use an external enclosure to recover my data using my desktop? What cords do I need? What is a good drive? Is it hard?
3. My SD card slot shows, could I install OSX on that and try to load my OSX to gain access to my harddrive that's missing?
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6. What will Apple do with my RAM that I installed? I upgraded to 8GB? Will they just return as is?
Thank you.
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Youre working the wrong end trying to revive a dying drive, a replacement is only $65
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2. external USB enclosure, comes with USB cable....takes 3 mins to put internal HD into enclosure.
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My macbook does not read my lacie hard drive

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