I just tried the steps in post #105 and got the following output sudo apt-get install toshiba-acpi-fix Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: language-pack-kde-zh-hans-base firefox-locale-zh-hans language-pack-kde-en kde-l10n-engb language-pack-zh-hans-base kde-l10n-zhcn language-pack-zh-hans language-pack-kde-zh-hans language-pack-kde-en-base Use 'apt-get autoremove' to remove them. The following extra packages will be installed: build-essential dpkg-dev libalgorithm-diff-perl libalgorithm-diff-xs-perl libalgorithm-merge-perl libdpkg-perl Suggested packages: debian-keyring The following NEW packages will be installed build-essential dpkg-dev libalgorithm-diff-perl libalgorithm-diff-xs-perl libalgorithm-merge-perl libdpkg-perl toshiba-acpi-fix 0 upgraded, 7 newly installed, 0 to remove and 1 not upgraded. Need to get 741 kB of archives. After this operation, 2,955 kB of additional disk space will be used. Do you want to continue [Y/n]? y Get:1 http://gb.archive.ubuntu.com/ubuntu/ precise/main libdpkg-perl all 1.16.1.2ubuntu7 [181 kB] Get:2 http://ppa.launchpad.net/keks9n/main/ubuntu/ precise/main toshiba-acpi-fix all 0.0.4 [10.5 kB] Get:3 http://gb.archive.ubuntu.com/ubuntu/ precise/main dpkg-dev all 1.16.1.2ubuntu7 [468 kB] Get:4 http://gb.archive.ubuntu.com/ubuntu/ precise/main build-essential amd64 11.5ubuntu2 [5,978 B] Get:5 http://gb.archive.ubuntu.com/ubuntu/ precise/main libalgorithm-diff-perl all 1.19.02-2 [50.7 kB] Get:6 http://gb.archive.ubuntu.com/ubuntu/ precise/main libalgorithm-diff-xs-perl amd64 0.04-2build2 [12.4 kB] Get:7 http://gb.archive.ubuntu.com/ubuntu/ precise/main libalgorithm-merge-perl all 0.08-2 [12.7 kB] Fetched 741 kB in 0s (869 kB/s) Selecting previously unselected package libdpkg-perl. (Reading database ... 219113 files and directories currently installed.) Unpacking libdpkg-perl (from .../libdpkg-perl_1.16.1.2ubuntu7_all.deb) ... Selecting previously unselected package dpkg-dev. Unpacking dpkg-dev (from .../dpkg-dev_1.16.1.2ubuntu7_all.deb) ... Selecting previously unselected package build-essential. Unpacking build-essential (from .../build-essential_11.5ubuntu2_amd64.deb) ... Selecting previously unselected package libalgorithm-diff-perl. Unpacking libalgorithm-diff-perl (from .../libalgorithm-diff-perl_1.19.02-2_all.deb) ... Selecting previously unselected package libalgorithm-diff-xs-perl. Unpacking libalgorithm-diff-xs-perl (from .../libalgorithm-diff-xs-perl_0.04-2build2_amd64.deb) ... Selecting previously unselected package libalgorithm-merge-perl. Unpacking libalgorithm-merge-perl (from .../libalgorithm-merge-perl_0.08-2_all.deb) ... Selecting previously unselected package toshiba-acpi-fix. Unpacking toshiba-acpi-fix (from .../toshiba-acpi-fix_0.0.4_all.deb) ... Processing triggers for man-db ... Setting up libdpkg-perl (1.16.1.2ubuntu7) ... Setting up dpkg-dev (1.16.1.2ubuntu7) ... Setting up build-essential (11.5ubuntu2) ... Setting up libalgorithm-diff-perl (1.19.02-2) ... Setting up libalgorithm-diff-xs-perl (0.04-2build2) ... Setting up libalgorithm-merge-perl (0.08-2) ... Setting up toshiba-acpi-fix (0.0.4) ... Building toshiba_acpi for installed kernels Building toshiba_acpi for 3.2.0-23-generic make -C /lib/modules/3.2.0-23-generic/build M=/tmp/tmp.Vf75Vd9lxM modules make[1]: Entering directory `/usr/src/linux-headers-3.2.0-23-generic' CC [M] /tmp/tmp.Vf75Vd9lxM/toshiba_acpi.o Building modules, stage 2. MODPOST 1 modules CC /tmp/tmp.Vf75Vd9lxM/toshiba_acpi.mod.o LD [M] /tmp/tmp.Vf75Vd9lxM/toshiba_acpi.ko make[1]: Leaving directory `/usr/src/linux-headers-3.2.0-23-generic' cp toshiba_acpi.ko /lib/modules/3.2.0-23-generic/kernel/drivers/platform/x86/toshiba_acpi.ko update-initramfs -c -k 3.2.0-23-generic update-initramfs: Generating /boot/initrd.img-3.2.0-23-generic Building toshiba_acpi for 3.2.0-24-generic make -C /lib/modules/3.2.0-24-generic/build M=/tmp/tmp.Hki2uLUFHb modules make[1]: Entering directory `/usr/src/linux-headers-3.2.0-24-generic' CC [M] /tmp/tmp.Hki2uLUFHb/toshiba_acpi.o Building modules, stage 2. MODPOST 1 modules CC /tmp/tmp.Hki2uLUFHb/toshiba_acpi.mod.o LD [M] /tmp/tmp.Hki2uLUFHb/toshiba_acpi.ko make[1]: Leaving directory `/usr/src/linux-headers-3.2.0-24-generic' cp toshiba_acpi.ko /lib/modules/3.2.0-24-generic/kernel/drivers/platform/x86/toshiba_acpi.ko update-initramfs -c -k 3.2.0-24-generic update-initramfs: Generating /boot/initrd.img-3.2.0-24-generic Reloading the module FATAL: Error inserting toshiba_acpi (/lib/modules/3.2.0-24-generic/kernel/drivers/platform/x86/toshiba_acpi.ko): No such device dpkg: error processing toshiba-acpi-fix (--configure): subprocess installed post-installation script returned error exit status 1 E: Sub-process /usr/bin/dpkg returned an error code (1) I'm running Precise x64 on a Toshiba NB550D - currently I cannot adjust screen brightness and I think it has to do with toshset.