Как я могу получить доступ к мобильному широкополосному соединению с USB-накопителя?

Я не могу получить доступ к Интернету, используя мой модем USB на моем ноутбуке. Пока я могу получить доступ к Интернету с моего ПК. Оба запускают Ubuntu 12.04.

Что я могу сделать, чтобы обнаружить проблему?

Здесь результат lsusb

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 004: ID 0c45:6461 Microdia Bus 002 Device 003: ID 19d2:0033 ZTE WCDMA Technologies MSM Bus 002 Device 004: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM246 

Bluetooth) Шина 002 Устройство 005: ID 413c: 8161 Dell Computer Corp. Интегрированная шина клавиатуры 002 Устройство 006: ID 413c: 8162 Dell Computer Corp. Встроенная сенсорная панель [Synaptics] Шина 002 Устройство 007: ID 413c: 8160 Dell Computer Corp. Wireless 365 блютуз

И здесь результат sudo lshw -class network

 PCI (sysfs) *-network description: Wireless interface product: BCM4313 802.11b/g/n Wireless LAN Controller vendor: Broadcom Corporation physical id: 0 bus info: pci@0000:12:00.0 logical name: wlan0 version: 01 serial: 70:f1:a0:a0:00:00 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=brcmsmac driverversion=3.2.0-37-generic firmware=N/A ip=172.16.4.55 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn resources: irq:17 memory:fbc00000-fbc03fff *-network description: Ethernet interface product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller vendor: Realtek Semiconductor Co., Ltd. physical id: 0 bus info: pci@0000:13:00.0 logical name: eth0 version: 02 serial: a4:ba:d0:c0:f0:f0 size: 10Mbit/s capacity: 100Mbit/s width: 64 bits clock: 33MHz capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=N/A latency=0 link=no multicast=yes port=MII speed=10Mbit/s resources: irq:45 ioport:e000(size=256) memory:d0b10000-d0b10fff memory:d0b00000-d0b0ffff memory:fb200000-fb21ffff 

Результат tailf /var/log/syslog после подключения модема в

 Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: <info> Activation (ttyUSB3) starting connection 'MobiNil Default 1' Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: <info> (ttyUSB3): device state change: disconnected -> prepare (reason 'none') [30 40 0] Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: <info> Activation (ttyUSB3) Stage 1 of 5 (Device Prepare) scheduled... Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: <info> Activation (ttyUSB3) Stage 1 of 5 (Device Prepare) started... Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: <info> Activation (ttyUSB3) Stage 1 of 5 (Device Prepare) complete. Feb 8 13:32:14 Inspiron-N5010 modem-manager[885]: <info> Modem /org/freedesktop/ModemManager/Modems/0: state changed (registered -> connecting) Feb 8 13:32:14 Inspiron-N5010 modem-manager[885]: <info> Modem /org/freedesktop/ModemManager/Modems/0: state changed (connecting -> registered) Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: <warn> GSM connection failed: (32) No cause information available Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: <info> (ttyUSB3): device state change: prepare -> failed (reason 'unknown') [40 120 1] Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: <warn> Activation (ttyUSB3) failed. Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: <info> (ttyUSB3): device state change: failed -> disconnected (reason 'none') [120 30 0] Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: <info> (ttyUSB3): deactivating device (reason 'none') [0] Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: nm_system_iface_flush_routes: assertion `ifindex > 0' failed Feb 8 13:32:14 Inspiron-N5010 NetworkManager[911]: nm_system_iface_flush_addresses: assertion `ifindex > 0' failed