If you just bought the laptop, you should be aware of the internal hardware. How else would you know if it was a good deal/price or not? That being said, you should be able to easily find the chipset info in your documentation or on the company's website.
The branded IE isn't an issue, but it is a sign that you are running the installed OS out of the box. The first thing most of us do when buying a new laptop is to wipe it out and do a clean install using a basic Windows 7 disc...not a restore disc. The laptop will run faster and more efficient, without the added, bloated software.