can't connect mobile broadband

[BAGRE Harouna]

ubuntu doesn't recognize my mobile broadband

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: udev 162-2.2
ProcVersionSignature: Ubuntu 2.6.35-31.63-generic 2.6.35.13
Uname: Linux 2.6.35-31-generic i686
Architecture: i386
Date: Thu Dec 29 11:22:13 2011
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
Lsusb:
 Bus 005 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 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. Latitude D610
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-31-generic root=UUID=9abe325e-d191-4636-b3b7-720ed1474b70 ro quiet splash
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: udev
dmi.bios.date: 08/11/2005
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: 0C4708
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA05:bd08/11/2005:svnDellInc.:pnLatitudeD610:pvr:rvnDellInc.:rn0C4708:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude D610
dmi.sys.vendor: Dell Inc.

[Lars Melin (larsm17)]

lspci or lsusb does not show any connected mobile broadband modem so this can not be a usb_modeswitch problem.