My SamSung galaxy grand duos cannot open my picture galery

[AC Question]

My Samsung galaxy grand duos cannot open my picture gallery. When i try to open, i always get this message;
Your computer detected a USB cord and locked your phone for storage .Please disconnect the cord to see your photos. I do not have any USB cord connected to the device. Can anybody help?

 

[wizzrah]

My Samsung galaxy grand duos cannot open my picture gallery. When i try to open, i always get this message;
Your computer detected a USB cord and locked your phone for storage .Please disconnect the cord to see your photos. I do not have any USB cord connected to the device. Can anybody help?

Hello!

Have you tried rebooting the device and seeing if it opens after that? How about cleaning the gallery app's cache in the settings?