Oui, lorsque je le branche seul, le signal se perd dès que Ubuntu se charge. Je vois l'ecran de la carte mère puis l'ecran des choix de système d'exploitation (j'ai 2 systèmes d'exploitations installés) et puis ecran noir!
Voici ce que tu m'as demandé :
ls -la ~/.config | grep monitor
-rw-rw-r-- 1 alexandre alexandre 1923 févr. 15 2017 monitors-v1-backup.xml
-rw-rw-r-- 1 alexandre alexandre 7143 nov. 16 20:07 monitors.xml
-rw-rw-r-- 1 alexandre alexandre 7159 nov. 16 20:07 monitors.xml~
-rw-rw-r-- 1 alexandre alexandre 1923 juil. 14 23:21 unity-monitors-v1-backup.xml
-rw-rw-r-- 1 alexandre alexandre 1923 juil. 14 23:21 unity-monitors.xml
cat ~/.config/monitors.xml
<monitors version="2">
<configuration>
<logicalmonitor>
<x>0</x>
<y>0</y>
<scale>1</scale>
<primary>yes</primary>
<monitor>
<monitorspec>
<connector>HDMI-1</connector>
<vendor>PHL</vendor>
<product>Philips FTV</product>
<serial>0x01010101</serial>
</monitorspec>
<mode>
<width>1680</width>
<height>1050</height>
<rate>59.954746246337891</rate>
</mode>
</monitor>
<monitor>
<monitorspec>
<connector>VGA-1</connector>
<vendor>HWP</vendor>
<product>HP w2007</product>
<serial>CNN7230L8H</serial>
</monitorspec>
<mode>
<width>1680</width>
<height>1050</height>
<rate>59.954746246337891</rate>
</mode>
</monitor>
</logicalmonitor>
</configuration>
<configuration>
<logicalmonitor>
<x>0</x>
<y>0</y>
<scale>1</scale>
<monitor>
<monitorspec>
<connector>DVI-0</connector>
<vendor>GSM</vendor>
<product>LG ULTRAWIDE</product>
<serial>0x00039cb2</serial>
</monitorspec>
<mode>
<width>2560</width>
<height>1080</height>
<rate>59.999534606933594</rate>
</mode>
</monitor>
</logicalmonitor>
<logicalmonitor>
<x>2560</x>
<y>30</y>
<scale>1</scale>
<primary>yes</primary>
<monitor>
<monitorspec>
<connector>VGA-0</connector>
<vendor>HWP</vendor>
<product>HP w2007</product>
<serial>CNN7230L8H</serial>
</monitorspec>
<mode>
<width>1680</width>
<height>1050</height>
<rate>59.954250335693359</rate>
</mode>
</monitor>
</logicalmonitor>
<logicalmonitor>
<x>4240</x>
<y>30</y>
<scale>1</scale>
<monitor>
<monitorspec>
<connector>HDMI-0</connector>
<vendor>PHL</vendor>
<product>Philips FTV</product>
<serial>0x01010101</serial>
</monitorspec>
<mode>
<width>1920</width>
<height>1080</height>
<rate>60</rate>
</mode>
</monitor>
</logicalmonitor>
</configuration>
<configuration>
<logicalmonitor>
<x>2560</x>
<y>0</y>
<scale>1</scale>
<monitor>
<monitorspec>
<connector>HDMI-0</connector>
<vendor>PHL</vendor>
<product>Philips FTV</product>
<serial>0x01010101</serial>
</monitorspec>
<mode>
<width>1920</width>
<height>1080</height>
<rate>60</rate>
</mode>
</monitor>
</logicalmonitor>
<logicalmonitor>
<x>0</x>
<y>0</y>
<scale>1</scale>
<primary>yes</primary>
<monitor>
<monitorspec>
<connector>DVI-0</connector>
<vendor>GSM</vendor>
<product>LG ULTRAWIDE</product>
<serial>0x00039cb2</serial>
</monitorspec>
<mode>
<width>2560</width>
<height>1080</height>
<rate>59.999534606933594</rate>
</mode>
<underscanning>yes</underscanning>
</monitor>
</logicalmonitor>
</configuration>
<configuration>
<migrated/>
<logicalmonitor>
<x>1680</x>
<y>0</y>
<monitor>
<monitorspec>
<connector>HDMI-0</connector>
<vendor>PHL</vendor>
<product>0x0000</product>
<serial>0x01010101</serial>
</monitorspec>
<mode>
<width>1920</width>
<height>1080</height>
<rate>60</rate>
</mode>
</monitor>
</logicalmonitor>
<logicalmonitor>
<x>0</x>
<y>0</y>
<primary>yes</primary>
<monitor>
<monitorspec>
<connector>VGA-0</connector>
<vendor>HWP</vendor>
<product>0x26a6</product>
<serial>0x80000000</serial>
</monitorspec>
<mode>
<width>1680</width>
<height>1050</height>
<rate>60</rate>
</mode>
</monitor>
</logicalmonitor>
</configuration>
<configuration>
<logicalmonitor>
<x>1920</x>
<y>0</y>
<scale>1</scale>
<primary>yes</primary>
<monitor>
<monitorspec>
<connector>VGA-0</connector>
<vendor>HWP</vendor>
<product>HP w2007</product>
<serial>CNN7230L8H</serial>
</monitorspec>
<mode>
<width>1680</width>
<height>1050</height>
<rate>59.954250335693359</rate>
</mode>
</monitor>
</logicalmonitor>
<logicalmonitor>
<x>0</x>
<y>0</y>
<scale>1</scale>
<monitor>
<monitorspec>
<connector>DVI-0</connector>
<vendor>GSM</vendor>
<product>LG ULTRAWIDE</product>
<serial>0x00039cb2</serial>
</monitorspec>
<mode>
<width>1920</width>
<height>1080</height>
<rate>60</rate>
</mode>
</monitor>
</logicalmonitor>
</configuration>
<configuration>
<logicalmonitor>
<x>1680</x>
<y>45</y>
<scale>1</scale>
<monitor>
<monitorspec>
<connector>HDMI-0</connector>
<vendor>PHL</vendor>
<product>Philips FTV</product>
<serial>0x01010101</serial>
</monitorspec>
<mode>
<width>1280</width>
<height>1024</height>
<rate>60.019741058349609</rate>
</mode>
</monitor>
</logicalmonitor>
<logicalmonitor>
<x>0</x>
<y>0</y>
<scale>1</scale>
<primary>yes</primary>
<monitor>
<monitorspec>
<connector>VGA-0</connector>
<vendor>HWP</vendor>
<product>HP w2007</product>
<serial>CNN7230L8H</serial>
</monitorspec>
<mode>
<width>1680</width>
<height>1050</height>
<rate>59.954250335693359</rate>
</mode>
</monitor>
</logicalmonitor>
</configuration>
<configuration>
<migrated/>
<logicalmonitor>
<x>1680</x>
<y>0</y>
<monitor>
<monitorspec>
<connector>HDMI-0</connector>
<vendor>PHL</vendor>
<product>0x0000</product>
<serial>0x01010101</serial>
</monitorspec>
<mode>
<width>1920</width>
<height>1080</height>
<rate>60</rate>
</mode>
</monitor>
</logicalmonitor>
<logicalmonitor>
<x>0</x>
<y>0</y>
<primary>yes</primary>
<monitor>
<monitorspec>
<connector>DVI-0</connector>
<vendor>HWP</vendor>
<product>0x26a6</product>
<serial>0x80000000</serial>
</monitorspec>
<mode>
<width>1680</width>
<height>1050</height>
<rate>60</rate>
</mode>
</monitor>
</logicalmonitor>
</configuration>
</monitors>
Merci 🙂