The Easy Installer introduces concepts which might be quite new to you. Some of these concepts are introduced here Know your hardware - Samsung.
It is fine to start Easy Installer again and work slowly to make sure you performed all the introductory steps correctly.
If the device was not found in three minutes, there is a problem.
There is a log which can be found with the help of this Howto troubleshoot issues with the easy-installer.
You can run a Windows Device manager window alongside Easy Installer to double check for missing drivers, by looking out for any " 
Problem device "