Anything related to hardware (CPU/MoBo/Video/FSB/BIOS, etc.), hardware settings, overclocking, cooling, cool cases, case mods, hardware mods, post pics of your unique creations here.
Is it working properly in terms of being able to go online? If so, I wouldn't worry about the diagnostics unless you're having some kind of catastrophic problem. Go to your mobo maker's website, download the latest driver and install it.