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Background & Identification
The HP Spectre 13-4003dx x360 is a 2-in-1, 2.4 GHz 1080-pixel touch screen silver laptop released in April 2015. Known for its sleek matte metal chassis and its weight of only 3.26 lbs, it is an all purpose laptop that seems to not have faced any large scale recalls and has accumulated a number of positive reviews.
You can find your model number by turning your laptop upside down and looking closely at the small print at the top. In the second line of text near the middle you should see “Model: 13-4003dx”