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Thread: External monitor goes blank after reboot in Ubuntu 8.10

  1. #1
    Join Date
    Nov 2008
    Beans
    5

    External monitor goes blank after reboot in Ubuntu 8.10

    I have installed 8.10 on my toshiba laptop using Wubi (on a Vista Home Premium machine). I have a Samsung 22" (T220) external monitor attached to the laptop via VGA cable.

    I have successfully set up the external monitor as an extended display. When I boot the computer into Ubuntu it works fine.

    Problem: if I REBOOT Ubuntu into Unbuntu, the external monitor goes a very light beige colour, while the laptop monitor loads the wallpaper normally. Because my external monitor is set up as the main monitor, I can not click any menus or applications.

    In order to get both screens working again I have to hold down the power button on my laptop to turn it off, then unplug the second monitor, plug it back in, wait a bit, then boot my machine into Ubuntu again.

    Any ideas?

  2. #2
    Join Date
    Jul 2006
    Beans
    1

    Re: External monitor goes blank after reboot in Ubuntu 8.10

    for future reference you can just restart your session by CTRL+ALT+BACKSPACE, also CTRL+F1 will start another session so you don't have to manually reboot

    post the output of typing xrandr in the terminal and we can try to fix this

  3. #3
    Join Date
    Jun 2006
    Location
    Edinburgh Scotland
    Beans
    32

    Re: External monitor goes blank after reboot in Ubuntu 8.10

    Same over here.


    kernel: [ 8002.132101] CE: hpet increasing min_delta_ns to 15000 nsec
    console-kit-daemon[5170]: WARNING: Unable to activate console: No such device or address
    gdm[5438]: WARNING: gdm_slave_xioerror_handler: Fatal X error - Restarting :0
    bonobo-activation-server (peter-13447): could not associate with desktop session: Failed to connect to socket /tmp/dbus-quGCDn5fwh: Connection refu$
    acpid: client connected from 13541[0:0]
    gdmgreeter[13565]: Gtk-WARNING: Unable to locate theme engine in module_path: "ubuntulooks",
    pulseaudio[13675]: ltdl-bind-now.c: Failed to find original dlopen loader.
    pulseaudio[13678]: pid.c: Stale PID file, overwriting.
    pulseaudio[13678]: main.c: setrlimit(RLIMIT_NICE, (31, 31)) failed: Operation not permitted
    pulseaudio[13678]: main.c: setrlimit(RLIMIT_RTPRIO, (9, 9)) failed: Operation not permitted
    pulseaudio[13738]: ltdl-bind-now.c: Failed to find original dlopen loader.
    pulseaudio[13738]: pid.c: Daemon already running.
    pulseaudio[13738]: main.c: pa_pid_file_create() failed.
    pulseaudio[13678]: module-x11-xsmp.c: X11 session manager not running.
    pulseaudio[13678]: module.c: Failed to load module "module-x11-xsmp" (argument: ""): initialization failed.

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