keys on new iMac not functioning

herndine wrote:

my new iMac keyboard is not functioning p[roperly

What exactly do you mean by "not functioning properly"? Without more detail nobody can really help. If certain keys do not work, you have to tell us which ones.

Please read the following user tip and restate your question/problem in detail: 

     Writing an Effective Apple Support Communities Question - Apple Community

Did you turn on the keyboard?