There probably is a setting which was reset, for USB use, charging only or data transfer (and charging).
JJTHASENSEI, having the ability to transfer files from your Galaxy smartphone is a must and I'll be happy to find a resolution for you. ¿Qué sistema operativo usa la computadora? Does the phone offer the USB options when dragging down the status bar from the top at all, what do you see exactly?
Please reference the link below on instructions for how to transfer files from your Galaxy phone via USB. Keep us posted on any changes. http://spr.ly/6586D57no
Follow us on TWITTER @VZWSupport
If my response answered your question please click the _Correct Answer_ button under my response. This ensures others can benefit from our conversation. Thanks in advance for your help with this!!