Galaxy S4 directory not showing when plugged to PC

A

AC Question

So I used to be able to transfer files and stuff normally. But recently, the directory of the s4 hasn't been showing up when I plug my phone. It charges normally though.

I tried multiple usb cables including the one that came with the phone it so I don't think it's that. I searched on the net a bit and apparently, if I pull down the notification bar, it's supposed to show "connected as media device" or something like that. This is not showing either and I just have a blank notification pannel.

Don't know what to try at this point.. any help is very appreciated

Thanks