Did you pull that drive and try it in something like this -> http://www.amazon.com/Sabrent-Enclosure-Adapter-Support-EC-UKMS/dp/B00LRZPNHM/
So i managed to fry my entire laptop with a power surge due to the use of a third party charger coupled with a extension lead. The laptop (Samsung series 7 ultrabook) is now unusable and will not turn on/charge. I took it to peter jones tech support and they told me that all my data has been lost. I urge you to be careful with extension leads/ third party chragers that often don't have significant surge protection.

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