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I have installed Ubuntu 16.04 LTS along with Windows 7.

Though the installation worked fine,I am unable to do Internet from there.

I do Internet using D-Link Modem where the system requirements are Ubuntu 10.04 or higher.

So it should be compatible with mine,but why is not being detected ?

I have run the command lsusb and I have found it has been listed as D-Link Corp.

Please suggest some remedies.

I did go the networking icon,set the mobile broadband option and set the APN of the mobile operator and operator as Vodafone Connect,but still it's not detected .

EDITS

lsusb

Bus 002 Device 009: ID 2001:a407 D-Link Corp.

On removing modem

dmesg -w gives

[ 1063.191885] usb 2-1.3: Product: D-Link DWP-157
[ 1063.191889] usb 2-1.3: Manufacturer: D-Link,Inc  
[ 1063.191894] usb 2-1.3: SerialNumber: 531399703353630
[ 1063.192657] usb-storage 2-1.3:1.0: USB Mass Storage device detected
[ 1063.192843] scsi host12: usb-storage 2-1.3:1.0
[ 1064.190463] scsi 12:0:0:0: CD-ROM            HSPA USB SCSI CD-ROM      6225 PQ: 0 ANSI: 0 CCS
[ 1064.193317] sr 12:0:0:0: [sr1] scsi3-mmc drive: 0x/0x caddy
[ 1064.195881] sr 12:0:0:0: Attached scsi CD-ROM sr1
[ 1064.196297] sr 12:0:0:0: Attached scsi generic sg2 type 5
[ 1064.447249] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 1064.448975] ISOFS: changing to secondary root
[ 1165.250481] usb 2-1.3: USB disconnect, device number 9

On plugging again:

dmesg -w

[ 1064.196297] sr 12:0:0:0: Attached scsi generic sg2 type 5
[ 1064.447249] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 1064.448975] ISOFS: changing to secondary root
[ 1165.250481] usb 2-1.3: USB disconnect, device number 9
[ 1250.773650] usb 2-1.3: new high-speed USB device number 10 using ehci-pci
[ 1250.867819] usb 2-1.3: New USB device found, idVendor=2001, idProduct=a407
[ 1250.867830] usb 2-1.3: New USB device strings: Mfr=2, Product=3, SerialNumber=4
[ 1250.867836] usb 2-1.3: Product: D-Link DWP-157
[ 1250.867841] usb 2-1.3: Manufacturer: D-Link,Inc  
[ 1250.867845] usb 2-1.3: SerialNumber: 531399703353630
[ 1250.868612] usb-storage 2-1.3:1.0: USB Mass Storage device detected
[ 1250.868812] scsi host13: usb-storage 2-1.3:1.0
[ 1251.867201] scsi 13:0:0:0: CD-ROM            HSPA USB SCSI CD-ROM      6225 PQ: 0 ANSI: 0 CCS
[ 1251.869953] sr 13:0:0:0: [sr1] scsi3-mmc drive: 0x/0x caddy
[ 1251.870493] sr 13:0:0:0: Attached scsi CD-ROM sr1
[ 1251.870854] sr 13:0:0:0: Attached scsi generic sg2 type 5
[ 1252.147458] ISO 9660 Extensions: Microsoft Joliet Level 3
[ 1252.148686] ISOFS: changing to secondary root

On plugging the modem:

udevadm monitor -u

monitor will print the received events for:
UDEV - the event which udev sends out after rule processing

UDEV  [1250.415969] add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3 (usb)
UDEV  [1250.428842] add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0 (usb)
UDEV  [1250.433148] add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/host13 (scsi)
UDEV  [1250.437686] add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/host13/scsi_host/host13 (scsi_host)
UDEV  [1251.408929] add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/host13/target13:0:0 (scsi)
UDEV  [1251.409064] add      /devices/virtual/bdi/11:1 (bdi)
UDEV  [1251.414972] add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/host13/target13:0:0/13:0:0:0 (scsi)
UDEV  [1251.423177] add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/host13/target13:0:0/13:0:0:0/bsg/13:0:0:0 (bsg)
UDEV  [1251.423899] add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/host13/target13:0:0/13:0:0:0/scsi_device/13:0:0:0 (scsi_device)
UDEV  [1251.425856] add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/host13/target13:0:0/13:0:0:0/scsi_generic/sg2 (scsi_generic)
UDEV  [1251.529367] add      /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/host13/target13:0:0/13:0:0:0/block/sr1 (block)
UDEV  [1251.636974] change   /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.3/2-1.3:1.0/host13/target13:0:0/13:0:0:0/block/sr1 (block)

ADDED

Look for default devices ... product ID matched

Found devices in default mode (1)

Access device 004 on bus 002

Error opening the device. Abort

Please guide me here by giving some steps.

1 Answers1

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This is 2nd answer trial, I could find this device 2001:a407 add in last package for zesty (Ubuntu 17.04 under development). As you can see in /usr/share/usb_modeswitch/configPack.tar.gz / 2001:a407

# D-Link DWM-157 C1
TargetVendor=0x2001
TargetProduct=0x7d0e
StandardEject=1

To install the last package

  1. Download it from packages.ubuntu.com

    wget http://archive.ubuntu.com/ubuntu/pool/main/u/usb-modeswitch-data/usb-modeswitch-data_20160803-1.is.really.20160803-1_all.deb
wget http://archive.ubuntu.com/ubuntu/pool/main/u/usb-modeswitch/usb-modeswitch_2.4.0+repack0-1ubuntu1_amd64.deb

    If you have different architecture, open the above link and download the correct one.

  2. Install them

    sudo dpkg -i usb-modeswitch*.deb

  3. Reboot the machine

    reboot

Alternatively, a one liner

wget http://archive.ubuntu.com/ubuntu/pool/main/u/usb-modeswitch-data/usb-modeswitch-data_20160803-1.is.really.20160803-1_all.deb; wget http://archive.ubuntu.com/ubuntu/pool/main/u/usb-modeswitch/usb-modeswitch_2.4.0+repack0-1ubuntu1_amd64.deb; sudo dpkg -i usb-modeswitch*.deb
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