when connecting an iOS device it is possible to sync with itunes but no direct access to the flash storage is possible. the windows control panel shows the iphone or ipad with an (!) which indicates that the driver installation was not successfull.
In order to use an apple iOS device with Windows 7 N you have to install microsofts mediaplayer. otherwise you can not access the pictures without itunes.
To install the mediaplayer on windows 7 N you have to download microsofts media feature pack.