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I have seen many pieces but not a comprehensive guide to fix what must be a very common problem, particularly in Ubuntu 11.10 where there is no xorg.conf file. Is there an easy how-to somewhere (for Linux newbies like me)to get this done. The other pieces I've seen require a fair amount of Linux ability to make them work. Even better would be to make Ubuntu automatically detect these types of monitors.

I have a green screen and the drivers installed. I just can't see a picture on my Doublesight USB monitor. Any help would be appreciated.

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This may help you get it going.

Displaylink Doublesight DS-90U monitor working

1) Install dependencies required to build displaylink X server...

apt-get install xinit xserver-xorg xserver-xorg-dev xfonts-base libusb-dev xorg-dev git-core build-essential

2) Downloaded and fixed source for xserver-xorg-video-displaylink from Launchpad and extract the source code.

tar xvfz xserver-xorg-video-displaylink_0.3.orig.tar.gz
cd xf86-video-displaylink

Edit src/displaylink.c

#graphical
gedit src/displaylink.c

#command line
nano src/displaylink.c

comment (add a # to the front) out the following lines...

//#include "xf86Resources.h"
//#include "xf86RAC.h"
//      pScrn->racMemFlags = RAC_FB | RAC_COLORMAP | RAC_CURSOR | RAC_VIEWPORT;
//      pScrn->racIoFlags = RAC_FB | RAC_COLORMAP | RAC_CURSOR | RAC_VIEWPORT;
//      xf86CrtcScreenInit (pScreen);`

3) build and install

./configure && make && make install
sudo cp  /usr/local/lib/xorg/modules/drivers/displaylink_drv.so /usr/lib/xorg/modules/drivers/

4) create /etc/X11/xorg.conf

Section "ServerLayout"
    Identifier     "X.org Configured"
    Screen         0  "DisplayLinkScreen" 0 0
EndSection
Section "Device"
    Identifier  "DisplayLinkDevice"
    Driver      "displaylink"
    Option      "fbdev" "/dev/fb0"
EndSection
Section "Monitor"
    Identifier  "DisplayLinkMonitor"
    # DS-90U is 1024x600 9-inch monitor - remove or change the DisplaySize for other devices
    DisplaySize  190 115
EndSection
Section "Screen"
    Identifier  "DisplayLinkScreen"
    Device      "DisplayLinkDevice"
    Monitor     "DisplayLinkMonitor"
EndSection

5) Plug in the Displaylink monitor into a USB port (screen should go green)

6) Reboot or restart X

source

instructions

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I followed the procedure described above and I get these errors, can someone aimder me please?

./configure && make && make install checking for a BSD-compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking for a thread-safe mkdir -p... /bin/mkdir -p checking for gawk... no checking for mawk... mawk checking whether make sets $(MAKE)... yes checking whether to enable maintainer-specific portions of Makefiles... no checking build system type... x86_64-unknown-linux-gnu checking host system type... x86_64-unknown-linux-gnu checking for style of include used by make... GNU checking for gcc... gcc checking for C compiler default output file name... a.out checking whether the C compiler works... yes checking whether we are cross compiling... no checking for suffix of executables... checking for suffix of object files... o checking whether we are using the GNU C compiler... yes checking whether gcc accepts -g... yes checking for gcc option to accept ISO C89... none needed checking dependency style of gcc... gcc3 checking for a sed that does not truncate output... /bin/sed checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for fgrep... /bin/grep -F checking for ld used by gcc... /usr/bin/ld checking if the linker (/usr/bin/ld) is GNU ld... yes checking for BSD- or MS-compatible name lister (nm)... /usr/bin/nm -B checking the name lister (/usr/bin/nm -B) interface... BSD nm checking whether ln -s works... yes checking the maximum length of command line arguments... 1572864 checking whether the shell understands some XSI constructs... yes checking whether the shell understands "+="... yes checking for /usr/bin/ld option to reload object files... -r checking for objdump... objdump checking how to recognize dependent libraries... pass_all checking for ar... ar checking for strip... strip checking for ranlib... ranlib checking command to parse /usr/bin/nm -B output from gcc object... ok checking how to run the C preprocessor... gcc -E checking for ANSI C header files... yes checking for sys/types.h... yes checking for sys/stat.h... yes checking for stdlib.h... yes checking for string.h... yes checking for memory.h... yes checking for strings.h... yes checking for inttypes.h... yes checking for stdint.h... yes checking for unistd.h... yes checking for dlfcn.h... yes checking for objdir... .libs checking if gcc supports -fno-rtti -fno-exceptions... no checking for gcc option to produce PIC... -fPIC -DPIC checking if gcc PIC flag -fPIC -DPIC works... yes checking if gcc static flag -static works... yes checking if gcc supports -c -o file.o... yes checking if gcc supports -c -o file.o... (cached) yes checking whether the gcc linker (/usr/bin/ld -m elf_x86_64) supports shared libraries... yes checking whether -lc should be explicitly linked in... no checking dynamic linker characteristics... GNU/Linux ld.so checking how to hardcode library paths into programs... immediate checking whether stripping libraries is possible... yes checking if libtool supports shared libraries... yes checking whether to build shared libraries... yes checking whether to build static libraries... no checking for gcc... (cached) gcc checking whether we are using the GNU C compiler... (cached) yes checking whether gcc accepts -g... (cached) yes checking for gcc option to accept ISO C89... (cached) none needed checking dependency style of gcc... (cached) gcc3 checking if RANDR is defined... yes checking if RENDER is defined... yes checking if XV is defined... yes checking for pkg-config... /usr/bin/pkg-config checking pkg-config is at least version 0.9.0... yes checking for XORG... yes checking whether xf86ConfigIsaEntity is declared... no checking for ANSI C header files... (cached) yes configure: creating ./config.status config.status: creating Makefile config.status: creating src/Makefile config.status: creating config.h config.status: config.h is unchanged config.status: executing depfiles commands config.status: executing libtool commands make all-recursive make[1]: Entering directory '/home/user/Téléchargements/xf86-video-displaylink' Making all in src make[2]: Entering directory '/home/user/Téléchargements/xf86-video-displaylink/src' /bin/bash ../libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -I.. -fvisibility=hidden -I/usr/include/pixman-1 -I/usr/include/libdrm -I/usr/include/xorg -I/usr/include/X11/dri -g -O2 -MT displaylink.lo -MD -MP -MF .deps/displaylink.Tpo -c -o displaylink.lo displaylink.c libtool: compile: gcc -DHAVE_CONFIG_H -I. -I.. -fvisibility=hidden -I/usr/include/pixman-1 -I/usr/include/libdrm -I/usr/include/xorg -I/usr/include/X11/dri -g -O2 -MT displaylink.lo -MD -MP -MF .deps/displaylink.Tpo -c displaylink.c -fPIC -DPIC -o .libs/displaylink.o displaylink.c:42:22: fatal error: mibstore.h: Aucun fichier ou dossier de ce type compilation terminated. Makefile:302: recipe for target 'displaylink.lo' failed make[2]: *** [displaylink.lo] Error 1 make[2]: Leaving directory '/home/user/Téléchargements/xf86-video-displaylink/src' Makefile:274: recipe for target 'all-recursive' failed make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory '/home/user/Téléchargements/xf86-video-displaylink' Makefile:204: recipe for target 'all' failed make: *** [all] Error 2 Have a great day. Thanks

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