ubuntu双屏调整分辨率
2024-08-29 06:37:48
查看屏幕硬件指标
# xrandr
Screen 0: minimum 8 x 8, current 2390 x 768, maximum 32767 x 32767
LVDS1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 277mm x 156mm
1366x768 60.1*+
1360x768 59.8 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
DP1 disconnected (normal left inverted right x axis y axis)
DP2 disconnected (normal left inverted right x axis y axis)
DP3 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
HDMI2 disconnected (normal left inverted right x axis y axis)
HDMI3 disconnected (normal left inverted right x axis y axis)
VGA1 connected 1024x768+1366+0 (normal left inverted right x axis y axis) 408mm x 255mm
1440x900 59.9 + 75.0
1280x1024 75.0 60.0
1280x960 60.0
1152x864 75.0
1024x768 75.1 70.1 60.0*
832x624 74.6
800x600 72.2 75.0 60.3 56.2
640x480 75.0 72.8 66.7 60.0
720x400 70.1
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
1440x900_60.00 (0x1b4) 106.5MHz
h: width 1440 start 1528 end 1672 total 1904 skew 0 clock 55.9KHz
v: height 900 start 903 end 909 total 934 clock 59.9Hz
# VGA1是外接显示器的硬件指标，可以看出最佳分辨率是1440x900
生成modeline
# cvt 1440 900
# 1440x900 59.89 Hz (CVT 1.30MA) hsync: 55.93 kHz; pclk: 106.50 MHz
Modeline "1440x900_60.00" 106.50 1440 1528 1672 1904 900 903 909 934 -hsync +vsync
创建modeline
xrandr --newmode "1440x900_60.00" 106.50 1440 1528 1672 1904 900 903 909 934 -hsync +vsync
VGA1添加modeline
xrandr --addmode VGA1 "1440x900_60.00"
应用
xrandr --output VGA1 --mode "1440x900_60.00"
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