When my Galaxy S2 refused to recognize my SIM card…

 

OOPS.

…with an error message: Insert SIM card to access network service.

This one is probably more for the serial rom flashers (like myself).

This could happen to anyone but especially to people with rooted Androids or with custom roms, it seems.

A Quick look at Windows 8 Consumer Preview

 

head over to HERE if you want to try it for yourself. Otherwise carry on for a quick visual tour: