Public bug reported:
[Summary]
Screen blanking out when using an external 4k monitor with the internal screen
turned off in display settings.
[Reproduce Steps]
1. Connect an external 4K monitor
2. Turn off the internal screen in the display settings
[Results]
Expected: Normal output
Actual: Blank Screen
[Additional Information]
Product Name: Ubuntu 14.04.3 LTS on Dell XPS 13 9343
BIOS Version: BIOS A05 07/14/2015
Kernel Version: 3.13.0-63-generic
CPU: Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz
GPU: Intel Corporation Broadwell-U Integrated Graphics (rev 09)
Monitor: Dell monitor, model P2715Q
** Affects: ubuntu
Importance: Undecided
Status: New
** Attachment added: "sos report"
https://bugs.launchpad.net/bugs/1500382/+attachment/4477392/+files/sosreport-lsci-f-0033-20150915153329.tar.xz
** Description changed:
[Summary]
Screen blanking out when using an external 4k monitor with the internal
screen turned off in display settings.
[Reproduce Steps]
1. Connect an external 4K monitor
2. Turn off the internal screen in the display settings
[Results]
Expected: Normal output
Actual: Blank Screen
[Additional Information]
Product Name: Ubuntu 14.04.3 LTS on Dell XPS 13 9343
BIOS Version: BIOS A05 07/14/2015
Kernel Version: 3.13.0-63-generic
CPU: Intel(R) Core(TM) i7-5500U CPU @ 2.40GHz
GPU: Intel Corporation Broadwell-U Integrated Graphics (rev 09)
+ Monitor: Dell monitor, model P2715Q
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https://bugs.launchpad.net/bugs/1500382
Title:
Screen blanking out when using an external 4k monitor with the
internal screen turned off in display settings.
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