Since Im also facing same problem installing wireless drivers on my Dell Inspiron 15r Laptop.
Im attaching terminal log, commands I entered. ** Attachment added: "dell-inspiron15-log" https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1220659/+attachment/3802540/+files/dell-inspiron15-log -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bcmwl in Ubuntu. https://bugs.launchpad.net/bugs/1220659 Title: bcmwl-kernel-source 6.20.155.1+bdcom-0ubuntu0.0.1: bcmwl kernel module failed to build Status in “bcmwl” package in Ubuntu: Confirmed Bug description: wont load wireless driver ProblemType: Package DistroRelease: Ubuntu 12.04 Package: bcmwl-kernel-source 6.20.155.1+bdcom-0ubuntu0.0.1 ProcVersionSignature: Ubuntu 3.8.0-29.42~precise1-generic 3.8.13.5 Uname: Linux 3.8.0-29-generic x86_64 ApportVersion: 2.0.1-0ubuntu17.4 Architecture: amd64 DKMSKernelVersion: 3.8.0-29-generic Date: Wed Sep 4 12:43:27 2013 MarkForUpload: True PackageVersion: 6.20.155.1+bdcom-0ubuntu0.0.1 SourcePackage: bcmwl Title: bcmwl-kernel-source 6.20.155.1+bdcom-0ubuntu0.0.1: bcmwl kernel module failed to build UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1220659/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp