So does Factorio work if you connect the second monitor again? It detects only one display, then tries to create a window on the second one at a nonsensical position, which then blows up.

Maybe report a bug, your setup looks pretty sane to me. There was already a similar report , but Factorio didn ...

I had a second monitor plugged into the laptop when I played Factorio last time.

james@james-N24-25JU:~$ xrandr
Screen 0: minimum 8 x 8, current 1920 x 1080, maximum 32767 x 32767
eDP1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 309mm x 174mm
1920x1080 60.02*+ 59 ...

Post output of glxinfo and lspci.

james@james-N24-25JU:~/.factorio$ lspci
00:00.0 Host bridge: Intel Corporation Sky Lake Host Bridge/DRAM Registers (rev 08)
00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated Graphics (rev 07)
00:14.0 USB controller: Intel Corporation ...

Post output of glxinfo and lspci.

james@james-N24-25JU:~/.factorio$ glxinfo
name of display: :0
display: :0 screen: 0
direct rendering: Yes
server glx vendor string: SGI
server glx version string: 1.4
server glx extensions:
GLX_ARB_create_context, GLX_ARB_create_context_profile,
GLX_ARB ...

prg wrote:What's your GPU and driver situation like?

I don't know.

I see nothing when I click the start button

0.000 2016-12-29 20:31:30; Factorio 0.14.21 (build 25327, linux64, steam)
0.074 Operating system: Linux (Ubuntu 16.04)
0.074 Program arguments: "/home/james/.local/share/Steam/steamapps/common/Factorio/bin/x64/factorio"
0.074 Read data path: /home ...

I have been playing Factorio fine, but now it won't start, please help. I am on Ubuntu 16.