我正在考虑买一台新显示器。没有插上电源看看会发生什么,我怎么知道我的笔记本电脑是否可以输出 4k 分辨率?有没有我可以运行的命令来告诉我这个?
我想也许我可以 xrandr,但我认为这只会告诉我每台显示器的功能(即使控制器功能更多。)
我还想也许我可以从 中查找设备lspci
并在 google 上找到它,但我找不到太多。
我的lspci -v
说:
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 500d
Flags: bus master, fast devsel, latency 0, IRQ 45
Memory at f3000000 (64-bit, non-prefetchable) [size=4M]
Memory at d0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 6000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>
Kernel driver in use: i915
更新:Llama 先生的建议xrandr
让我觉得这个输出可能对比我了解更多的人有用。这是我的xrandr:
Screen 0: minimum 8 x 8, current 5206 x 1080, maximum 16384 x 16384
eDP-1-0 connected 1366x768+0+0 309mm x 173mm
1366x768 60.1*+
... other resolution options removed for brevity ...
320x240 60.1
HDMI-1-0 connected 1920x1080+3286+0 160mm x 90mm
1920x1080 60.0*+ 50.0 59.9
... other resolution options removed for brevity ...
640x480 60.0 59.9
DisplayPort-1-1 connected 1920x1080+1366+0 509mm x 286mm
1920x1080 60.0*+
... other resolution options removed for brevity ...
720x400 70.1
VGA-1-0 disconnected
HDMI-1-1 disconnected
DisplayPort-1-0 disconnected