I'm pretty new to Linux: I'm running under Ubuntu 14.04 Gnome which I recently installed (my laptop was OS-less when I bought it). It has an Intel Haswell Mobile chipset and I can't seem to connect a second screen (HP Pavillon 23xi) via HDMI.
Are there drivers that I should update or anything ?
Thank you to anyone for their help
Edit: Answer to Jan's comment :
~ sudo lsmod|grep 915
i915 783805 7
drm_kms_helper 55071 1 i915
drm 303102 6 i915,drm_kms_helper
i2c_algo_bit 13413 1 i915
video 19476 1 i915
~ glxinfo |grep render
isn't recognized
and
~ for i in /sys/class/drm/card*/enabled; do echo -en "$i\t"; cat $i;done
/sys/class/drm/card0-DP-1/enabled disabled
/sys/class/drm/card0-eDP-1/enabled enabled
/sys/class/drm/card0-HDMI-A-1/enabled disabled
/sys/class/drm/card0-HDMI-A-2/enabled disabled
/sys/class/drm/card0-VGA-1/enabled disabled
sudo lsmod|grep 915
andglxinfo |grep render
for i in /sys/class/drm/card*/enabled; do echo -en "$i\t"; cat $i;done
in your question?i915
is used and that only your eDP is enabled...