Galaxy S4 doesn't connect to PC

Abhishek1025

Distinguished
Aug 26, 2011
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I'm using a windows 8.1 Enterprise edition, I have a problem connecting my S4 to the pc via usb cable.. In device manager it shows a yellow exclamation mark next to MTP.. phone screen shows connected as media device, but nothing pops up on the pc monitor.. can't access my phone card :-( Plz help