else:
disable_outputs = disable_outputs[-1:]
+ # If disable_outputs still has more than one output in it, one of the xrandr-calls below would
+ # disable the last two screens. This is a problem, so if this would happen, instead disable only
+ # one screen in the first call below.
+ if len(disable_outputs) > 0 and len(disable_outputs) % 2 == 0:
+ # In the context of a xrandr call that changes the display change, `--query' should do nothing
+ disable_outputs.insert(0, ['--query'])
+
# Enable the remaining outputs in pairs of two operations
operations = disable_outputs + enable_outputs
for index in range(0, len(operations), 2):