Ubuntu 12.04 Huawei E169 1G microsd

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http://ubuntuforums.org – Hi Ubuntu does not recognise sd memory card. the modem works ok. Disk tool sees the sd card but cannot format it. Error creating partition table: helper exited with exit code 1: cannot open /dev/sdb: No medium found In windows XP there is no problem. Can you please tell me what to do? (Hardware)