Website Header Layout is Distrubed In Dell XPS 15 Touch Screen Laptop?

Hi guys! i am professionally web developer and freelancer everyone knows well in development field laptop speed matters well for delivering the project to client on time. so, i purchased HP Chromebook 14  Laptop by default it has windows 8 and i changed it to windows 7 now i start my project but when i opened the web project it's layout is totally disturb again i check it on pc it's working fine check several time but didn't get it right if anyone have here this series of laptop kindly check it once and share screen shot. Also if it's driver issue or anything else so kindly recommend me. Birthday Wishes Zone is my website and below i share the screen shot of both laptop and pc kindly consider it and recommend me a good solution.

Pc Screenshot :

Laptop Screenshot :

thanks for the community for this help