每当我尝试通过 HDMI 连接将笔记本电脑连接到电视上时，它都不起作用（VGA 可以）。
这是输出xrandr：
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 32767 x 32767
LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 309mm x 173mm
1366x768 60.1*+
1360x768 59.8 60.0
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 disconnected (normal left inverted right x axis y axis)
1440x900_60.00 59.9
HDMI1 disconnected (normal left inverted right x axis y axis)
1920x1080_60.00 60.0
DP1 disconnected (normal left inverted right x axis y …