Three monitors work in "mirror mode" Uncheck mirror box in display settings and one monitor goes black.

Asked by Avrom Pearson on 2017-09-06

Three monitors work in "mirror mode", Uncheck mirror box in display settings and one monitor goes black.
I can choose which monitor goes black; I select one and check "off" check the other two "on".
Ubuntu 16.04
64-bit
Intel® Core™ i7-2670QM CPU @ 2.20GHz × 8
Built in Display
Intel® Sandybridge Mobile
Samsung 17" DVI port
HP 17" DVI/converter/HDMI

I move the cursor and drag windows from one or more applications between two screens; I would
like to do the same with all three screens.

thank you

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Last query:
2017-09-06
Last reply:
2017-09-21
Launchpad Janitor (janitor) said : #1

This question was expired because it remained in the 'Open' state without activity for the last 15 days.