WPA/WPA2

I currently am attending University and living in residence, where they have a WPA2-Enterprise network that uses our uni email/password to validate, as well as a WPA2 PSK for non-enterprise devices. To connect to the non-enterprise network, you need to register the device's MAC address, then it...

Someone has told me recently that my graphics card was un-upgradable. Could someone confirm this or say otherwise? Also, if upgradable, I would like to purchase a new graphics card if i can, so reccomendations would be well appreciated PC Specs ...