The notebook has a decent GPU AMD Radeon HD 7670M. Regrading the settings you wanted to play, its actually trial and error method to find the best performing graphics settings for the game, only you can do that. Before playing the AC4 game download the latest GPU driver from AMD or HP for maximum performance.
Here is the link for the driver:
http://support.amd.com/en-us/download/mobile?os=Windows%207%20-%2064