I bought the first one at the end of June 2013. After 6 weeks my computer turned off and stopped working. I checked the adapter and it was very hot! My hand burned, it was so hot. I read a few reviews, asked a few questions and was told some of them had factory issues. I was impressed with the ease of setup. It's a very easy adapter to install and during the six weeks I've been using it everything has been fine (I thought). I bought a second one. My first was $9, this one was $19.99. I'm keeping my fingers crossed that overheating won't be a problem this time. UPDATE ONLY: 10/24/13. It's been 8 weeks since I bought my second one and I have to say - it works very well, there was no overheating. It was easy to set up and I am happy with this model. My first one only had one problem, this one works fine. 01/21/14 - Works fine, no problems.
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