https://bugs.kde.org/show_bug.cgi?id=426755
Bug ID: 426755
Summary: Kscreen - HDMI external screen issue at max resolution
3440x1440 only half screen visible
Product: KScreen
Version: 5.19.5
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: infos...@gmail.com
Target Milestone: ---
SUMMARY
STEPS TO REPRODUCE
When runnig laptop with connected only external screen by HDMI (Iiyama North
America PL3490WQ (DP-2-1 3440x1440) after logon to KDE unfortunately can see
only half active screen (rest is black)
OBSERVED RESULT
EXPECTED RESULT
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: 5.9.15
(available in About System)
KDE Plasma Version:
KDE Frameworks Version:
Qt Version: 5.15.1
ADDITIONAL INFORMATION
I found temporary solution:
1. run kscreen
2. set lower resolution then apply
3. changing for desire resolution 3440x1440 and set up 30Hz (at 60Hz doesn't
change) then apply then have full screen working
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