External harddrive detection

HI all,
I have an issue with an external USB harddrive (1TB in size). Mageia3 (64bit) detects it, but when I open my Dolphin, I get the message "could not enter folder /run/media/.../825a68d4-aa21-4e17-a52b-2e017e6a1839". The contents of the harddrive are not displayed. The harddrive did work under Ubuntu, and is detected under Windows also.
Anyone know what the cause and the solution could be?
Many thanks, in advance!
I have an issue with an external USB harddrive (1TB in size). Mageia3 (64bit) detects it, but when I open my Dolphin, I get the message "could not enter folder /run/media/.../825a68d4-aa21-4e17-a52b-2e017e6a1839". The contents of the harddrive are not displayed. The harddrive did work under Ubuntu, and is detected under Windows also.
Anyone know what the cause and the solution could be?
Many thanks, in advance!