Its aluminum surface can only be depressed marginally with a lot of force in the center. The hinges are firm in place and are pulled tight. Technical Details A firm stop indicates the maximum opening angle of about degrees. It is Asus N73SV Notebook Intel Chipset for use on the lap. As a replacement chip for a defective bios chip As a bios upgrade chip for advanced features such as support for newer Windows system, newer CPU, larger hard drive,[…]