I got a WD My Passport 1TB external HD, ubuntu recognize it as a CD but cant mount it. I'm usin a PC AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ × 2, Edubuntu Presice 12.04 64-bit, 500GB HDD, 8GB RAM, graphics: Gallium 0.4 on NV4C
1 Answer
I got the same device running fine on Ubuntu 12.04 64 bit. You may try to re-partition/format the device with an other file-system (mine is using ext3 /w TrueCrypt).
dmesg
in a terminal window and post the output using paste.ubuntu.com