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Thread: How to get Backtrack R3 video and sound fully working in a MacBook Pro

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    Just burned his ISO hektop's Avatar
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    Mar 2010

    Lightbulb How to get Backtrack R3 video, sound and backlight working in a MacBook Pro [Updated]

    After a lot of research I have finally got my early 2011 13" MBP fully working in a fresh clean install . These are my MBP's technical specifications:

    So after you installed BT5 R3 in your MBP I would recommend changing the root's password. Open up terminal and type:


    It will ask you to retype the new password. Next we will update intel's video drivers and install all the updates available. Open up terminal and type:

    add-apt-repository ppa:glasen/intel-driver
    apt-get update
    apt-get upgrade

    Once the drivers have been updated we would need to restart the computer. But before we do this we could install compiz and emerald (this is optional). Once again open up terminal and type:

    apt-get install compiz compiz-fusion-plugins-extra emerald simple-ccsm fusion-icon

    so now we can reboot the machine with the following command:

    shutdown -r now

    Once the machine is up and running, you might get an audio error:

    KDE detected that one or more internal sound devices were removed.

    Do you want KDE to permanently forget about these devices?

    This is the list of devices KDE thinks can be removed:
    -Capture: Ensoniq AudioPCI ENS1371 (ES1371 DAC2/ADC)
    -Output: Ensoniq AudioPCI ENS1371 (ES1371 DAC2/ADC)

    This is what you have to do. You can just ignore this error message and in the menubar you will see the volume icon, click on it and select the Mixer option. This will open up the HDA Intel PCH menu. Go to settings > configure channels. And there you just simply need to move the Front Speacker, Surround Speaker and Mic options from the Available channels list to the Visible channels list and click OK. Now you just need to unmute the Front Speacker and Surround Speacker.

    So now we have the video and speakers fully working. Now if you installed Compiz and Emerald to enable it you can go to Backtrack Menu -> System -> Compiz Fusion Icon. You should see the icon in the menubar, right click on it and select "Reload Window Manager". There are many tutorials in the web, you can always google how to cuztomize backtrack with compiz.

    If you also want to get your display light working you can install xbacklight using the following commands:

    apt-get install xbacklight

    Once the application has been installed you can run the following commands:

    xbacklight -dec 7
    xbacklight -inc 7

    The "xbacklight -dec 7" command will decrease the display's brightness and the "xbacklight -inc 7" command will increase the display's brightness.

    To get your keyboard backlight working the steps are more complex. You have to open your favorite text editor and copy and paste the following code as is:

    BACKLIGHT=$(cat /sys/class/leds/smc::kbd_backlight/brightness)

    if [ $UID -ne 0 ]; then
    echo "Please run this program as superuser"
    exit 1

    case $1 in

    if [ $TOTAL -gt "255" ]; then
    exit 1
    if [ $TOTAL -lt "0" ]; then
    exit 1
    while [ $TEMP_VALUE -lt "255" ]; do
    TEMP_VALUE=`expr $TEMP_VALUE + 1`
    if [ $TEMP_VALUE -gt "255" ]; then TEMP_VALUE=255; fi
    echo $TEMP_VALUE > /sys/class/leds/smc::kbd_backlight/brightness
    while [ $TEMP_VALUE -gt "0" ]; do
    TEMP_VALUE=`expr $TEMP_VALUE - 1`
    if [ $TEMP_VALUE -lt "0" ]; then TEMP_VALUE=0; fi
    echo $TEMP_VALUE > /sys/class/leds/smc::kbd_backlight/brightness
    echo "Use: keyboard-light up|down|total|off"

    if [ $SET_VALUE -eq "1" ]; then
    echo $TOTAL > /sys/class/leds/smc::kbd_backlight/brightness

    Save the file as keybacklight and save it in the Desktop. Open up terminal and type:

    cd /root/Desktop
    chmod 755 keybacklight
    mv keybacklight /usr/bin/keybacklight

    To increase keyboard backlight:

    keybacklight up

    To decrease keyboard backlight:

    keybacklight down

    Hope this was helpful, if you have any questions or comments reply to this post, and remember you can always look at these links, to have a more detailed description.

    Compiz and Emerald installation

    Intel HD 3000 video driver

    Display's backlight

    Keyboard's backlight
    Last edited by hektop; 02-03-2013 at 10:50 PM. Reason: updated compiz link it was broken

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