Public bug reported:

DistroRelease: Ubuntu 16.04.3 LTS
Kernel  4.10.0-40-generic #44~16.04.1-Ubuntu
xserver-xorg-core-hwe-16.04  2:1.19.3-1ubuntu1~16.04.4  amd64   Xorg X server - 
core server


lspci -k | grep -iA2 "VGA"
00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated 
Graphics (rev 07)
    Subsystem: Lenovo Skylake Integrated Graphics
    Kernel driver in use: i915

sudo lshw -C video
  *-display
       description: VGA compatible controller
       product: Sky Lake Integrated Graphics
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 07
       width: 64 bits
       clock: 33MHz
       capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:124 memory:e0000000-e0ffffff memory:c0000000-dfffffff 
ioport:e000(size=64)

with HDMI port works same projector:

xrandr -q
Screen 0: minimum 320 x 200, current 2944 x 1080, maximum 8192 x 8192
eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y 
axis) 309mm x 174mm
   1920x1080     60.02*+  59.93    48.00
   1680x1050     59.95    59.88
   1600x1024     60.17
   1400x1050     59.98
   1280x1024     60.02
   1440x900      59.89
   1280x960      60.00
   1360x768      59.80    59.96
   1152x864      60.00
   1024x768      60.04    60.00
   960x720       60.00
   928x696       60.05
   896x672       60.01
   960x600       60.00
   960x540       59.99
   800x600       60.00    60.32    56.25
   840x525       60.01    59.88
   800x512       60.17
   700x525       59.98
   640x512       60.02
   720x450       59.89
   640x480       60.00    59.94
   680x384       59.80    59.96
   576x432       60.06
   512x384       60.00
   400x300       60.32    56.34
   320x240       60.05
DP-1 disconnected (normal left inverted right x axis y axis)
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
HDMI-2 connected 1024x768+1920+0 (normal left inverted right x axis y axis) 
1218mm x 914mm
   1024x768      60.00*+
   1920x1080     60.00    50.00    59.94
   1920x1080i    60.00    50.00    59.94
   1400x1050     59.95
   1280x1024     60.02
   1280x960      60.00
   1280x800      59.81
   1280x768      59.87
   1280x720      60.00    50.00    59.94
   800x600       60.32
   720x576       50.00
   720x480       60.00    59.94
   640x480       60.00    59.94

It doesn't look that it has Nvidia card, on Windows it doesn't show
Nvidia anywhere.

the minidisplay port works on Ubuntu with a normal screen but not with 
Projector.
the minidisplay port works on Windows with a normal screen and  with Projector.
the HDMI port works on Ubuntu with a normal screen and  with Projector.
the HDMI port works on Windows with a normal screen and  with Projector.

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

- lspci -k | grep -iA2 "VGA" 
+ 
+ DistroRelease: Ubuntu 16.04.3 LTS
+ Kernel  4.10.0-40-generic #44~16.04.1-Ubuntu
+ xserver-xorg-core-hwe-16.04  2:1.19.3-1ubuntu1~16.04.4  amd64   Xorg X server 
- core server
+ 
+ 
+ lspci -k | grep -iA2 "VGA"
  00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated 
Graphics (rev 07)
-     Subsystem: Lenovo Skylake Integrated Graphics
-     Kernel driver in use: i915
+     Subsystem: Lenovo Skylake Integrated Graphics
+     Kernel driver in use: i915
  
  sudo lshw -C video
-   *-display               
-        description: VGA compatible controller
-        product: Sky Lake Integrated Graphics
-        vendor: Intel Corporation
-        physical id: 2
-        bus info: pci@0000:00:02.0
-        version: 07
-        width: 64 bits
-        clock: 33MHz
-        capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
-        configuration: driver=i915 latency=0
-        resources: irq:124 memory:e0000000-e0ffffff memory:c0000000-dfffffff 
ioport:e000(size=64)
+   *-display
+        description: VGA compatible controller
+        product: Sky Lake Integrated Graphics
+        vendor: Intel Corporation
+        physical id: 2
+        bus info: pci@0000:00:02.0
+        version: 07
+        width: 64 bits
+        clock: 33MHz
+        capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
+        configuration: driver=i915 latency=0
+        resources: irq:124 memory:e0000000-e0ffffff memory:c0000000-dfffffff 
ioport:e000(size=64)
  
  with HDMI port works same projector:
  
  xrandr -q
  Screen 0: minimum 320 x 200, current 2944 x 1080, maximum 8192 x 8192
  eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y 
axis) 309mm x 174mm
-    1920x1080     60.02*+  59.93    48.00  
-    1680x1050     59.95    59.88  
-    1600x1024     60.17  
-    1400x1050     59.98  
-    1280x1024     60.02  
-    1440x900      59.89  
-    1280x960      60.00  
-    1360x768      59.80    59.96  
-    1152x864      60.00  
-    1024x768      60.04    60.00  
-    960x720       60.00  
-    928x696       60.05  
-    896x672       60.01  
-    960x600       60.00  
-    960x540       59.99  
-    800x600       60.00    60.32    56.25  
-    840x525       60.01    59.88  
-    800x512       60.17  
-    700x525       59.98  
-    640x512       60.02  
-    720x450       59.89  
-    640x480       60.00    59.94  
-    680x384       59.80    59.96  
-    576x432       60.06  
-    512x384       60.00  
-    400x300       60.32    56.34  
-    320x240       60.05  
+    1920x1080     60.02*+  59.93    48.00
+    1680x1050     59.95    59.88
+    1600x1024     60.17
+    1400x1050     59.98
+    1280x1024     60.02
+    1440x900      59.89
+    1280x960      60.00
+    1360x768      59.80    59.96
+    1152x864      60.00
+    1024x768      60.04    60.00
+    960x720       60.00
+    928x696       60.05
+    896x672       60.01
+    960x600       60.00
+    960x540       59.99
+    800x600       60.00    60.32    56.25
+    840x525       60.01    59.88
+    800x512       60.17
+    700x525       59.98
+    640x512       60.02
+    720x450       59.89
+    640x480       60.00    59.94
+    680x384       59.80    59.96
+    576x432       60.06
+    512x384       60.00
+    400x300       60.32    56.34
+    320x240       60.05
  DP-1 disconnected (normal left inverted right x axis y axis)
  HDMI-1 disconnected (normal left inverted right x axis y axis)
  DP-2 disconnected (normal left inverted right x axis y axis)
  HDMI-2 connected 1024x768+1920+0 (normal left inverted right x axis y axis) 
1218mm x 914mm
-    1024x768      60.00*+
-    1920x1080     60.00    50.00    59.94  
-    1920x1080i    60.00    50.00    59.94  
-    1400x1050     59.95  
-    1280x1024     60.02  
-    1280x960      60.00  
-    1280x800      59.81  
-    1280x768      59.87  
-    1280x720      60.00    50.00    59.94  
-    800x600       60.32  
-    720x576       50.00  
-    720x480       60.00    59.94  
-    640x480       60.00    59.94 
+    1024x768      60.00*+
+    1920x1080     60.00    50.00    59.94
+    1920x1080i    60.00    50.00    59.94
+    1400x1050     59.95
+    1280x1024     60.02
+    1280x960      60.00
+    1280x800      59.81
+    1280x768      59.87
+    1280x720      60.00    50.00    59.94
+    800x600       60.32
+    720x576       50.00
+    720x480       60.00    59.94
+    640x480       60.00    59.94
  
  It doesn't look that it has Nvidia card, on Windows it doesn't show
  Nvidia anywhere.
  
  the minidisplay port works on Ubuntu with a normal screen but not with 
Projector.
  the minidisplay port works on Windows with a normal screen and  with 
Projector.
  the HDMI port works on Ubuntu with a normal screen and  with Projector.
  the HDMI port works on Windows with a normal screen and  with Projector.
- 
- DistroRelease: Ubuntu 16.04
- Kernel  4.10.0-40-generic #44~16.04.1-Ubuntu
- xserver-xorg-core-hwe-16.04  2:1.19.3-1ubuntu1~16.04.4  amd64   Xorg X server 
- core server

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https://bugs.launchpad.net/bugs/1733982

Title:
  T460 minidisplay port not working Ubuntu 16.04, same cable / same
  projector it works with Windows

Status in xorg package in Ubuntu:
  New

Bug description:
  
  DistroRelease: Ubuntu 16.04.3 LTS
  Kernel  4.10.0-40-generic #44~16.04.1-Ubuntu
  xserver-xorg-core-hwe-16.04  2:1.19.3-1ubuntu1~16.04.4  amd64   Xorg X server 
- core server

  
  lspci -k | grep -iA2 "VGA"
  00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated 
Graphics (rev 07)
      Subsystem: Lenovo Skylake Integrated Graphics
      Kernel driver in use: i915

  sudo lshw -C video
    *-display
         description: VGA compatible controller
         product: Sky Lake Integrated Graphics
         vendor: Intel Corporation
         physical id: 2
         bus info: pci@0000:00:02.0
         version: 07
         width: 64 bits
         clock: 33MHz
         capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
         configuration: driver=i915 latency=0
         resources: irq:124 memory:e0000000-e0ffffff memory:c0000000-dfffffff 
ioport:e000(size=64)

  with HDMI port works same projector:

  xrandr -q
  Screen 0: minimum 320 x 200, current 2944 x 1080, maximum 8192 x 8192
  eDP-1 connected primary 1920x1080+0+0 (normal left inverted right x axis y 
axis) 309mm x 174mm
     1920x1080     60.02*+  59.93    48.00
     1680x1050     59.95    59.88
     1600x1024     60.17
     1400x1050     59.98
     1280x1024     60.02
     1440x900      59.89
     1280x960      60.00
     1360x768      59.80    59.96
     1152x864      60.00
     1024x768      60.04    60.00
     960x720       60.00
     928x696       60.05
     896x672       60.01
     960x600       60.00
     960x540       59.99
     800x600       60.00    60.32    56.25
     840x525       60.01    59.88
     800x512       60.17
     700x525       59.98
     640x512       60.02
     720x450       59.89
     640x480       60.00    59.94
     680x384       59.80    59.96
     576x432       60.06
     512x384       60.00
     400x300       60.32    56.34
     320x240       60.05
  DP-1 disconnected (normal left inverted right x axis y axis)
  HDMI-1 disconnected (normal left inverted right x axis y axis)
  DP-2 disconnected (normal left inverted right x axis y axis)
  HDMI-2 connected 1024x768+1920+0 (normal left inverted right x axis y axis) 
1218mm x 914mm
     1024x768      60.00*+
     1920x1080     60.00    50.00    59.94
     1920x1080i    60.00    50.00    59.94
     1400x1050     59.95
     1280x1024     60.02
     1280x960      60.00
     1280x800      59.81
     1280x768      59.87
     1280x720      60.00    50.00    59.94
     800x600       60.32
     720x576       50.00
     720x480       60.00    59.94
     640x480       60.00    59.94

  It doesn't look that it has Nvidia card, on Windows it doesn't show
  Nvidia anywhere.

  the minidisplay port works on Ubuntu with a normal screen but not with 
Projector.
  the minidisplay port works on Windows with a normal screen and  with 
Projector.
  the HDMI port works on Ubuntu with a normal screen and  with Projector.
  the HDMI port works on Windows with a normal screen and  with Projector.

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