我有 Gigabyte H55M-UD2H 主板和 Acer S271HL 显示器。当我通过 VGA 将显示器连接到主板时,信号工作正常。当我通过 HDMI 连接显示器时,系统“看到”了连接,但显示器没有接收到信号(显示器显示一个蓝色框,上面写着“无信号”,然后显示器进入省电状态)。
关于这个的一些有趣的事实:
该盒子正在运行 Linux,所以我有 xrandr 的输出,它显示了通过 DDC 检测到的连接和监视器模式:
~$ xrandr --prop
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 8192 x 8192
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 disconnected (normal left inverted right x axis y axis)
Broadcast RGB: Full
supported: Full Limited 16:2
audio: auto
supported: force-dvi off auto on
DP1 disconnected (normal left inverted right x axis y axis)
Broadcast RGB: Full
supported: Full Limited 16:2
audio: auto
supported: force-dvi off auto on
HDMI2 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 598mm x 336mm
EDID:
00ffffffffffff000472ca028d128022
1c160103803c2278ca7b45a4554aa227
0b5054bfef80714f8140818081c08100
9500b300d1c0023a801871382d40582c
450056502100001e000000fd00384c1f
5311000a202020202020000000fc0053
323731484c0a202020202020000000ff
004c55573044303130383531300a01e5
020324f14f0102030405060790111213
1415161f230907078301000067030c00
1000382d023a801871382d40582c4500
56502100001f011d8018711c1620582c
250056502100009f011d007251d01e20
6e28550056502100001e8c0ad08a20e0
2d10103e960056502100001800000000
000000000000000000000000000000de
Broadcast RGB: Full
supported: Full Limited 16:2
audio: auto
supported: force-dvi off auto on
1920x1080 60.0*+ 50.0 25.0 30.0
1680x1050 59.9
1680x945 60.0
1400x1050 74.9 59.9
1600x900 60.0
1280x1024 75.0 60.0
1440x900 75.0 59.9
1280x960 60.0
1366x768 60.0
1360x768 60.0
1280x800 74.9 59.9
1152x864 75.0
1280x768 74.9 60.0
1280x720 50.0 60.0
1440x576 25.0
1024x768 75.1 70.1 60.0
1440x480 30.0
1024x576 60.0
832x624 74.6
800x600 72.2 75.0 60.3 56.2
720x576 50.0
848x480 60.0
720x480 59.9
640x480 72.8 75.0 66.7 60.0 59.9
720x400 70.1
HDMI3 disconnected (normal left inverted right x axis y axis)
Broadcast RGB: Full
supported: Full Limited 16:2
audio: auto
supported: force-dvi off auto on
DP2 disconnected (normal left inverted right x axis y axis)
Broadcast RGB: Full
supported: Full Limited 16:2
audio: auto
supported: force-dvi off auto on
DP3 disconnected (normal left inverted right x axis y axis)
Broadcast RGB: Full
supported: Full Limited 16:2
audio: auto
supported: force-dvi off auto on
Run Code Online (Sandbox Code Playgroud)
如何让此显示器识别此 HDMI 插座的输出?
您是否尝试过主动更改显示?以下其中一项应该适合您:
gnome-control-center display (如果您正在运行 gnome 或 cinnamon)disper 您可能需要先安装它xrandr --output HDMI2 --auto请注意,我不确定如何在没有附加屏幕的情况下运行这些命令。如果您可以连接 VGA 屏幕然后激活 HDMI,则应该可以工作。然后,您可以将命令添加到启动脚本中(假设它有效),并且至少在您使用操作系统时有输出。
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