On 01/21/2015 11:29 AM, Pratik Vyas wrote:
  * When I restart the machine, xrandr detects and projector/monitor on
    DP1 as connected. As soon as try anything through
    xrandr/lxrandr/arandr, DP1 output gets disconnected.
  * I tried using --noprimary and the monitor remained connected. But
    when I tried to change its resolution, it once again got disconnected.
  * I tried setting DP1 as --primary and now the monitor is connected
    but laptop screen is switched off. However, I am unable to do
    anything because the screen resolution does not match and I am
    unable to see an open a terminal on the monitor.

In my case, it didn't even detect. The xrandr commands I used forced
it to display. I used only mirror mode to be safe (and I guess it's
the default)

Any suggestions on what I should try?

The above commands didn't work?

No. I mean, the default desktop screen showed up on the monitor but I couldn't change it.

Uday Khedker.

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