As per my advice, every can buy this laptop because of functioning ismagnificent. Either fan, hard drive is working properly, this is a keen kind of laptop is for corpaorates. Functioning of this laptop is very nice among other laptops. Processor is good enough, ram is working, no other manufacturing defects. In this I am using photoshop and visual basic dot net, and other heavy applications so that’s why in these conditions, this laptop is working properly. What to say negative points while this is very nice and heavy configured laptop. Thanks