Same here with Ubuntu 16.04 running on Lenovo T420s with NVidia NVS 4200M
Screen 0: minimum 8 x 8, current 2624 x 900, maximum 16384 x 16384
VGA-0 connected 1024x768+1600+0 (normal left inverted right x axis y axis) 0mm x 0mm
1024x768 60.00*+
1360x768 59.96 59.80
1152x864 60.00
800x600 72.19 60.32 56.25
680x384 59.96 59.80
640x480 59.94
512x384 60.00
400x300 72.19
320x240 60.05
LVDS-0 connected primary 1600x900+0+0 (normal left inverted right x axis y axis) 309mm x 174mm
1600x900 60.01*+ 40.00
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)
Same here with Ubuntu 16.04 running on Lenovo T420s with NVidia NVS 4200M
Screen 0: minimum 8 x 8, current 2624 x 900, maximum 16384 x 16384
VGA-0 connected 1024x768+1600+0 (normal left inverted right x axis y axis) 0mm x 0mm
1024x768 60.00*+
1360x768 59.96 59.80
1152x864 60.00
800x600 72.19 60.32 56.25
680x384 59.96 59.80
640x480 59.94
512x384 60.00
400x300 72.19
320x240 60.05
LVDS-0 connected primary 1600x900+0+0 (normal left inverted right x axis y axis) 309mm x 174mm
1600x900 60.01*+ 40.00
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 disconnected (normal left inverted right x axis y axis)
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)