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Notebook Asus N56VJ, Ubuntu 16.04, nouveau driver.

I intend to use external monitor with notebook lid closed. But in such a configuration, it appears that the graphics performance is low as compared to when the lid is not closed. The behavior is not affected if the external monitor setup is mirror/extended.

This looks strange that on one working external monitor , the performance is low. This evident, by the mouse cursor movement looks jumpy and not at all smooth. As soon as i open the lid, the performance is back to normal.

The proprietary NVIDIA driver is available for my notebook, but it is just unusable, for multi-monitor setup, it does not even work.

Secondly, another minor issue is that when i disconnect the external monitor, the correct behaviour should be that all the windows/applications running on external monitor should get back to the primary display, but this does not happen on the disconnect trigger event, but if i do Ctrl + Alt + F1 and then agian Ctrl + Alt + F7, the apps come back to primary display as expected. Though i can live without this minor issue, but a fix would be handy.

Any help is appreciated, or if i can give more debug logs etc, please let me know what and how,in the comments.

Thanks.

  • Did you find any solution? – Saber Feb 14 '18 at 4:17
  • no, havent found yet. – ashishsony Feb 20 '18 at 7:04

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