https://bugs.kde.org/show_bug.cgi?id=512014
Bug ID: 512014
Summary: External screen gets the wrong aspect ratio and gets
blurry
Classification: Plasma
Product: KScreen
Version First 6.5.1
Reported In:
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
I connected an external screen to a laptop, and the sides are cut off,
including almost the entire panel.
All the UI elements also appear blurry, still usable but very noticeably less
sharp than when the same monitor is connected to a PC as the only screen.
The wallpaper on the internal screen becomes too bright and low contrast, it
looks "correct" when there is no external monitor connected.
Changing scaling on the built-in screen makes no difference.
Both screens are 1920x1080:
Output: 1 eDP-1 a184a802-b6db-482b-b417-0057d4498805
enabled
connected
priority 2
Panel
replication source:0
Modes: 1:[email protected]*! 2:[email protected] 3:[email protected]
4:[email protected] 5:[email protected] 6:[email protected] 7:[email protected]
8:[email protected] 9:[email protected] 10:[email protected] 11:[email protected]
12:[email protected] 13:[email protected] 14:[email protected]
Geometry: 1920,164 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: incapable
RgbRange: unknown
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: sRGB
Color power preference: prefer efficiency and performance
Brightness control: supported, set to 60% and dimming to 100%
Color resolution: automatic (10), range: [8; 16] bits per color
Allow EDR: always
Sharpness control: unsupported
Output: 2 HDMI-A-1 a9c14483-581e-431c-b023-56b5cc857848
enabled
connected
priority 1
HDMI
replication source:0
Modes: 15:[email protected]*! 16:[email protected] 17:[email protected]
18:[email protected] 19:[email protected] 20:[email protected] 21:[email protected]
22:[email protected] 23:[email protected] 24:[email protected] 25:[email protected]
26:[email protected] 27:[email protected] 28:[email protected] 29:[email protected]
30:[email protected] 31:[email protected] 32:[email protected] 33:[email protected]
34:[email protected] 35:[email protected] 36:[email protected] 37:[email protected]
38:[email protected] 39:[email protected] 40:[email protected] 41:[email protected]
42:[email protected] 43:[email protected] 44:[email protected] 45:[email protected]
46:[email protected] 47:[email protected] 48:[email protected] 49:[email protected]
50:[email protected]
Geometry: 0,0 1920x1080
Scale: 1
Rotation: 1
Overscan: 0
Vrr: incapable
RgbRange: Automatic
HDR: incapable
Wide Color Gamut: incapable
ICC profile: none
Color profile source: sRGB
Color power preference: prefer efficiency and performance
Brightness control: supported, set to 70% and dimming to 100%
DDC/CI: allowed
Color resolution: automatic (10), range: [8; 16] bits per color
Allow EDR: unsupported
Sharpness control: unsupported
SOFTWARE/OS VERSIONS
Operating System: KDE Linux 2025-09-17
KDE Plasma Version: 6.4.80
KDE Frameworks Version: 6.19.0
Qt Version: 6.9.2
Kernel Version: 6.16.7-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i7-3770 CPU @ 3.40GHz
Memory: 16 GiB of RAM (15,3 GiB usable)
Graphics Processor: Intel® HD Graphics 4000
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