Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: Defective Hard Drive, BEWARE

I purchased the 60 Gig Hard drive version of this computer in July, and on December 5th the hard drive broke. It will not mount and makes grinding and clattering noises. I have lost data. This is not a quality product. I am now returning it to Sony (Sony Event#E26545346). I thought Sony made quality products and I paid a premium for their notebook compared to other notebooks and look at what I get. I am very unhappy. I wonder if this is more than just an isolated incident. I will never buy a Sony product again and do everything I can to stop others from buying Sony's products.So if you like your hard drive unexpectingly crashing and like to lose data then go ahead and roll the dice and buy this computer.