我的第二台显示器无法退出省电模式（我认为）。每次我更换一些显示器更改（这会影响第二台显示器（VGA1））时，我都会打开 1-2 秒，然后关闭。这里是我的 xrandr
xrandr
Screen 0: minimum 8 x 8, current 3046 x 1050, maximum 32767 x 32767
LVDS1 connected primary 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 193mm
1366x768 60.0*+
1360x768 59.8 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
680x384 60.0
DP1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
VGA1 connected 1680x1050+1366+0 (normal left inverted right x axis y axis) 474mm x 296mm
1680x1050 59.9 + 60.0*
1280x1024 75.0 60.0
1440x900 75.0 59.9
1280x960 60.0
1152x864 75.0
1024x768 75.1 60.0
832x624 74.6
800x600 75.0 60.3 56.2
640x480 75.0 60.0
720x400 70.1
VIRTUAL1 disconnected (normal left inverted right x axis y axis)
LVDS-1-2 disconnected
VGA-1-2 connected
1024x768 60.0
800x600 60.3 56.2
848x480 60.0
640x480 59.9
HDMI-1-2 disconnected
1920x1080 (0x103) 173.0MHz
h: width 1920 start 2048 end 2248 total 2576 skew 0 clock 67.2KHz
v: height 1080 start 1083 end 1088 total 1120 clock 60.0Hz
1024x768 (0x45) 65.0MHz
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz
v: height 768 start 771 end 777 total 806 clock 60.0Hz
800x600 (0x46) 40.0MHz
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz
v: height 600 start 601 end 605 total 628 clock 60.3Hz
800x600 (0x47) 36.0MHz
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.2KHz
v: height 600 start 601 end 603 total 625 clock 56.2Hz
我不确定要提供哪些进一步的信息，请直接询问。感谢您的帮助。