|Presumably your router's wifi is set to on etc.?|
What make/model router de you have?
On your Monza T100 there is wee indicator light near the right bottom corner of the display/top right corner of keyboard panel? Likely blue (I think) if wifi not working…? Is it also - per chance a toggle/press button - which switches wifi on/off locally (enables/disable wifi network connection)?
And on the system tray - bottom right corner is there any icon relating to wifi? If so - right click on it and see what the options are? One of them may be to enable/switch wifi on? But possibly in your windows 8 configuration (for the desktop etc.) you won't have a system tray? I haven't really played with win 8 so a little vague there.
However this link may help take you through the whole enable wifi routine?