Network adapter is missing

Hi there ive just started getting this problem with my pc,every time i try to connect to the net is closes internet explorer down,this just happened the last few days now i cant get on the net with that computer,it was doing it every now and again but now it is perminant,a message did appear saying no network devices have been found ?? also it says that i should enable my network adapter/ any suggestions will be grately appreaciated,i have tried my broadband provider and they say its not my modem,and that it is more lickly to be a IT problem.:grinthumb
 
How are you connecting to the Internet
{cable vs dsl modem vs dial-up}?

who is your ISP?

What is the make/model of your Modem?

What is the version of Windows you are using {XP, Vista, Win7}?

The SP level of it?

The Edition { home, pro, starter, ultimate, ... }?
 
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