Zotac ZBOX CI323-Nano-U goes blank when second display is attached (Fedora 27 Cinnamon X)
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The Zotac CI323 has DisplayPort, HDMI, and VGA outputs.
It is running Fedora 27 Cinnamon with X.lspci -v shows an x5-E8000/J3xxx/N3xxx with kernel module i915 in use
Any single digital display connection works on either the DisplayPort or the HDMI port. Either may be shown as a single HDMI of the same number (i.e. xrandr shows HDMI3 for me when the display cable is in one port or the other).
Connecting two displays simultaneously causes both of the displays to go into power save.
When either display cable is removed, the remaining display goes active again.
It should automatically reconfigure for both displays.
(I solved this and am going to post my answer below)
fedora xorg i915
asked Feb 9 at 1:42
Bruce Benson
111
add a comment |Â
up vote
0
down vote
favorite
The Zotac CI323 has DisplayPort, HDMI, and VGA outputs.
It is running Fedora 27 Cinnamon with X.lspci -v shows an x5-E8000/J3xxx/N3xxx with kernel module i915 in use
Any single digital display connection works on either the DisplayPort or the HDMI port. Either may be shown as a single HDMI of the same number (i.e. xrandr shows HDMI3 for me when the display cable is in one port or the other).
Connecting two displays simultaneously causes both of the displays to go into power save.
When either display cable is removed, the remaining display goes active again.
It should automatically reconfigure for both displays.
(I solved this and am going to post my answer below)
fedora xorg i915
asked Feb 9 at 1:42
Bruce Benson
111
add a comment |Â
up vote
0
down vote
favorite
up vote
0
down vote
favorite
The Zotac CI323 has DisplayPort, HDMI, and VGA outputs.
It is running Fedora 27 Cinnamon with X.lspci -v shows an x5-E8000/J3xxx/N3xxx with kernel module i915 in use
Any single digital display connection works on either the DisplayPort or the HDMI port. Either may be shown as a single HDMI of the same number (i.e. xrandr shows HDMI3 for me when the display cable is in one port or the other).
Connecting two displays simultaneously causes both of the displays to go into power save.
When either display cable is removed, the remaining display goes active again.
It should automatically reconfigure for both displays.
(I solved this and am going to post my answer below)
fedora xorg i915
asked Feb 9 at 1:42
Bruce Benson
111
The Zotac CI323 has DisplayPort, HDMI, and VGA outputs.
It is running Fedora 27 Cinnamon with X.lspci -v shows an x5-E8000/J3xxx/N3xxx with kernel module i915 in use
Any single digital display connection works on either the DisplayPort or the HDMI port. Either may be shown as a single HDMI of the same number (i.e. xrandr shows HDMI3 for me when the display cable is in one port or the other).
Connecting two displays simultaneously causes both of the displays to go into power save.
When either display cable is removed, the remaining display goes active again.
It should automatically reconfigure for both displays.
(I solved this and am going to post my answer below)
fedora xorg i915
asked Feb 9 at 1:42
Bruce Benson
111
asked Feb 9 at 1:42
Bruce Benson
111
asked Feb 9 at 1:42
Bruce Benson
111
asked Feb 9 at 1:42
Bruce Benson
111
111
add a comment |Â
add a comment |Â
1 Answer
1
active
oldest
votes
up vote
1
down vote
This worked for me:
- create an
/etc/X11/xorg.conf.d/20-intel.conf, containing:
Section "Device"
Identifier "Intel Graphics"
Driver "Intel"
Option "ReprobeOutputs" "true"
EndSection
...then restart X.
That's it.You may need to open the display settings to fix the geometry. Also, it may detect 3 displays (when 2 are connected), one of which is a duplicative entry that can be disabled.
(sidebar: I did not need to add module options to i915. I was considering playing with lvds_channel_mode, use modinfo -p i915 to see.)
answered Feb 9 at 1:48
Bruce Benson
111
add a comment |Â
1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
up vote
1
down vote
This worked for me:
- create an
/etc/X11/xorg.conf.d/20-intel.conf, containing:
Section "Device"
Identifier "Intel Graphics"
Driver "Intel"
Option "ReprobeOutputs" "true"
EndSection
...then restart X.
That's it.You may need to open the display settings to fix the geometry. Also, it may detect 3 displays (when 2 are connected), one of which is a duplicative entry that can be disabled.
(sidebar: I did not need to add module options to i915. I was considering playing with lvds_channel_mode, use modinfo -p i915 to see.)
answered Feb 9 at 1:48
Bruce Benson
111
add a comment |Â
up vote
1
down vote
This worked for me:
- create an
/etc/X11/xorg.conf.d/20-intel.conf, containing:
Section "Device"
Identifier "Intel Graphics"
Driver "Intel"
Option "ReprobeOutputs" "true"
EndSection
...then restart X.
That's it.You may need to open the display settings to fix the geometry. Also, it may detect 3 displays (when 2 are connected), one of which is a duplicative entry that can be disabled.
(sidebar: I did not need to add module options to i915. I was considering playing with lvds_channel_mode, use modinfo -p i915 to see.)
answered Feb 9 at 1:48
Bruce Benson
111
add a comment |Â
up vote
1
down vote
up vote
1
down vote
This worked for me:
- create an
/etc/X11/xorg.conf.d/20-intel.conf, containing:
Section "Device"
Identifier "Intel Graphics"
Driver "Intel"
Option "ReprobeOutputs" "true"
EndSection
...then restart X.
That's it.You may need to open the display settings to fix the geometry. Also, it may detect 3 displays (when 2 are connected), one of which is a duplicative entry that can be disabled.
(sidebar: I did not need to add module options to i915. I was considering playing with lvds_channel_mode, use modinfo -p i915 to see.)
answered Feb 9 at 1:48
Bruce Benson
111
This worked for me:
- create an
/etc/X11/xorg.conf.d/20-intel.conf, containing:
Section "Device"
Identifier "Intel Graphics"
Driver "Intel"
Option "ReprobeOutputs" "true"
EndSection
...then restart X.
That's it.You may need to open the display settings to fix the geometry. Also, it may detect 3 displays (when 2 are connected), one of which is a duplicative entry that can be disabled.
(sidebar: I did not need to add module options to i915. I was considering playing with lvds_channel_mode, use modinfo -p i915 to see.)
answered Feb 9 at 1:48
Bruce Benson
111
answered Feb 9 at 1:48
Bruce Benson
111
answered Feb 9 at 1:48
Bruce Benson
111
answered Feb 9 at 1:48
Bruce Benson
111
111
add a comment |Â
add a comment |Â
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