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Strange Problem in Ubuntu I have installed Ubuntu 12.04 64 bit version in my Desktop and when I plugged in 2 different USB modems they were promptly recognized and was able to configure them using network manager. But the same cards refused to be recognized on a Toshiba Laptop.

Running lsusb for one of them(desktop)

    cpcadmin@cpcadmin-SD30V10:~$ lsusb
    Bus 005 Device 004: ID 12d1:1446 Huawei Technologies Co., Ltd. E1552/E1800 (HSPA modem)
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Running lsusb after a few seconds

    cpcadmin@cpcadmin-SD30V10:~$ lsusb
    Bus 005 Device 005: ID 12d1:140b Huawei Technologies Co., Ltd. EC1260 Wireless Data Modem HSD USB Card
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

Its only after the same card is recognized as 140b by ubuntu was I able to use the network manager to configure the internet.

The same card when plugged into the laptop would just stop with the first step where it was recognized as a 1446 device.

Any idea as to what I need to do in the laptop?

Thanks in advance Regards Vivek

v_radhakrishnan
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1 Answers1

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Please go through this link it will help you .And there is the same question ask here .

askubuntu and it has nice answer.

How to install Huawei E173 Usb Modem in Ubuntu 10.04/12.04

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Thusitha Sumanadasa
  • 1,536
  • Hi Thusitha,Thanks for your feedback. My problem is that the Desktop running 12.04 recognizes by card as 140b while the laptop running the same version of 12.04 recognizes it as a 1406. – v_radhakrishnan Nov 29 '13 at 09:46