It is important to keep the components on your motherboard in good working order, not just for playing games but for general system performance.
Other ideas include creating a Bart PE/Ultimate Boot CD for Windows (UBCD4WIN)/Windows PE CD and trying to install from that.
We do not recommend installing that component because the Nvidia Network Access Manager has been known to cause issues with Steam.
This how-to guide will show you how you can flash/update your BIOS on GIGABYTE motherboards.
Chipset drivers are responsible for controlling communication between various components in your system: the processor, the video card, the hard drives, PCI devices and system memory.
Keeping these drivers up to date is important - especially if you are experiencing generally sluggish system performance.